diff options
Diffstat (limited to 'node_modules/es-abstract/test/tests.js')
| -rw-r--r-- | node_modules/es-abstract/test/tests.js | 2909 |
1 files changed, 2746 insertions, 163 deletions
diff --git a/node_modules/es-abstract/test/tests.js b/node_modules/es-abstract/test/tests.js index df52c82c7..844846f04 100644 --- a/node_modules/es-abstract/test/tests.js +++ b/node_modules/es-abstract/test/tests.js @@ -6,34 +6,112 @@ var forEach = require('foreach'); var is = require('object-is'); var debug = require('object-inspect'); var assign = require('object.assign'); - +var keys = require('object-keys'); +var has = require('has'); +var arrowFns = require('make-arrow-function').list(); +var hasStrictMode = require('has-strict-mode')(); +var functionsHaveNames = require('functions-have-names')(); +var functionsHaveConfigurableNames = require('functions-have-names').functionsHaveConfigurableNames(); + +var $getProto = require('../helpers/getProto'); +var $setProto = require('../helpers/setProto'); +var defineProperty = require('./helpers/defineProperty'); +var getInferredName = require('../helpers/getInferredName'); +var getOwnPropertyDescriptor = require('../helpers/getOwnPropertyDescriptor'); +var assertRecordTests = require('./helpers/assertRecord'); var v = require('./helpers/values'); var diffOps = require('./diffOps'); var MAX_SAFE_INTEGER = Number.MAX_SAFE_INTEGER || Math.pow(2, 53) - 1; +var canDistinguishSparseFromUndefined = 0 in [undefined]; // IE 6 - 8 have a bug where this returns false + +// IE 9 does not throw in strict mode when writability/configurability/extensibility is violated +var noThrowOnStrictViolation = (function () { + try { + delete [].length; + return true; + } catch (e) { + return false; + } +}()); + var getArraySubclassWithSpeciesConstructor = function getArraySubclass(speciesConstructor) { var Bar = function Bar() { var inst = []; Object.setPrototypeOf(inst, Bar.prototype); - Object.defineProperty(inst, 'constructor', { value: Bar }); + defineProperty(inst, 'constructor', { value: Bar }); return inst; }; Bar.prototype = Object.create(Array.prototype); Object.setPrototypeOf(Bar, Array); - Object.defineProperty(Bar, Symbol.species, { value: speciesConstructor }); + defineProperty(Bar, Symbol.species, { value: speciesConstructor }); return Bar; }; +var testIterator = function (t, iterator, expected) { + var resultCount = 0; + var result; + while (result = iterator.next(), !result.done) { // eslint-disable-line no-sequences + t.deepEqual(result, { done: false, value: expected[resultCount] }, 'result ' + resultCount); + resultCount += 1; + } + t.equal(resultCount, expected.length, 'expected ' + expected.length + ', got ' + resultCount); +}; + var hasSpecies = v.hasSymbols && Symbol.species; -var hasGroups = 'groups' in (/a/).exec('a'); -var groups = function groups(matchObject) { - return hasGroups ? assign(matchObject, { groups: matchObject.groups }) : matchObject; +var hasLastIndex = 'lastIndex' in (/a/).exec('a'); // IE 8 +var hasGroups = 'groups' in (/a/).exec('a'); // modern engines +var kludgeMatch = function kludgeMatch(R, matchObject) { + if (hasGroups) { + assign(matchObject, { groups: matchObject.groups }); + } + if (hasLastIndex) { + assign(matchObject, { lastIndex: R.lastIndex }); + } + return matchObject; }; -var es2015 = function ES2015(ES, ops, expectedMissing) { +var testEnumerableOwnNames = function (t, enumerableOwnNames) { + forEach(v.primitives, function (nonObject) { + t['throws']( + function () { enumerableOwnNames(nonObject); }, + debug(nonObject) + ' is not an Object' + ); + }); + + var Child = function Child() { + this.own = {}; + }; + Child.prototype = { + inherited: {} + }; + + var obj = new Child(); + + t.equal('own' in obj, true, 'has "own"'); + t.equal(has(obj, 'own'), true, 'has own "own"'); + t.equal(Object.prototype.propertyIsEnumerable.call(obj, 'own'), true, 'has enumerable "own"'); + + t.equal('inherited' in obj, true, 'has "inherited"'); + t.equal(has(obj, 'inherited'), false, 'has non-own "inherited"'); + t.equal(has(Child.prototype, 'inherited'), true, 'Child.prototype has own "inherited"'); + t.equal(Child.prototype.inherited, obj.inherited, 'Child.prototype.inherited === obj.inherited'); + t.equal(Object.prototype.propertyIsEnumerable.call(Child.prototype, 'inherited'), true, 'has enumerable "inherited"'); + + t.equal('toString' in obj, true, 'has "toString"'); + t.equal(has(obj, 'toString'), false, 'has non-own "toString"'); + t.equal(has(Object.prototype, 'toString'), true, 'Object.prototype has own "toString"'); + t.equal(Object.prototype.toString, obj.toString, 'Object.prototype.toString === obj.toString'); + // eslint-disable-next-line no-useless-call + t.equal(Object.prototype.propertyIsEnumerable.call(Object.prototype, 'toString'), false, 'has non-enumerable "toString"'); + + return obj; +}; + +var es2015 = function ES2015(ES, ops, expectedMissing, skips) { test('has expected operations', function (t) { var diff = diffOps(ES, ops, expectedMissing); @@ -84,10 +162,10 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(true, ES.ToBoolean(true), 'true returns true'); t.test('numbers', function (st) { - forEach([0, -0, NaN], function (falsyNumber) { + forEach(v.zeroes.concat(NaN), function (falsyNumber) { st.equal(false, ES.ToBoolean(falsyNumber), 'falsy number ' + falsyNumber + ' coerces to false'); }); - forEach([Infinity, 42, 1, -Infinity], function (truthyNumber) { + forEach(v.infinities.concat([42, 1]), function (truthyNumber) { st.equal(true, ES.ToBoolean(truthyNumber), 'truthy number ' + truthyNumber + ' coerces to true'); }); @@ -117,7 +195,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.test('numbers', function (st) { st.ok(is(NaN, ES.ToNumber(NaN)), 'NaN returns itself'); - forEach([0, -0, 42, Infinity, -Infinity], function (num) { + forEach(v.zeroes.concat(v.infinities, 42), function (num) { st.equal(num, ES.ToNumber(num), num + ' returns itself'); }); forEach(['foo', '0', '4a', '2.0', 'Infinity', '-Infinity'], function (numString) { @@ -190,7 +268,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.test('dates', function (st) { var invalid = new Date(NaN); st.ok(is(ES.ToNumber(invalid), NaN), 'invalid Date coerces to NaN'); - var now = Date.now(); + var now = +new Date(); st.equal(ES.ToNumber(new Date(now)), now, 'Date coerces to timestamp'); st.end(); }); @@ -373,7 +451,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { test('IsCallable', function (t) { t.equal(true, ES.IsCallable(function () {}), 'function is callable'); - var nonCallables = [/a/g, {}, Object.prototype, NaN].concat(v.primitives); + var nonCallables = [/a/g, {}, Object.prototype, NaN].concat(v.nonFunctions); forEach(nonCallables, function (nonCallable) { t.equal(false, ES.IsCallable(nonCallable), debug(nonCallable) + ' is not callable'); }); @@ -485,7 +563,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(false, ES.IsInteger(i + 0.2), (i + 0.2) + ' is not integer'); } t.equal(true, ES.IsInteger(-0), '-0 is integer'); - var notInts = v.nonNumbers.concat(v.nonIntegerNumbers, [Infinity, -Infinity, NaN, [], new Date()]); + var notInts = v.nonNumbers.concat(v.nonIntegerNumbers, v.infinities, [NaN, [], new Date()]); forEach(notInts, function (notInt) { t.equal(false, ES.IsInteger(notInt), debug(notInt) + ' is not integer'); }); @@ -531,18 +609,32 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { }); try { + var arrow = Function('return () => {}')(); // eslint-disable-line no-new-func + t.equal(ES.IsConstructor(arrow), false, 'arrow function is not constructor'); + } catch (e) { + t.comment('SKIP: arrow function syntax not supported.'); + } + + try { var foo = Function('return class Foo {}')(); // eslint-disable-line no-new-func t.equal(ES.IsConstructor(foo), true, 'class is constructor'); } catch (e) { t.comment('SKIP: class syntax not supported.'); } + + if (typeof Reflect !== 'object' || typeof Proxy !== 'function' || has(Proxy, 'prototype')) { + t.comment('SKIP: Proxy is constructor'); + } else { + t.equal(ES.IsConstructor(Proxy), true, 'Proxy is constructor'); + } + t.end(); }); test('Call', function (t) { var receiver = {}; - var notFuncs = v.objects.concat(v.primitives).concat([/a/g, new RegExp('a', 'g')]); - t.plan(notFuncs.length + 4); + var notFuncs = v.nonFunctions.concat([/a/g, new RegExp('a', 'g')]); + t.plan(notFuncs.length + 5); var throwsIfNotCallable = function (notFunc) { t['throws']( function () { return ES.Call(notFunc, receiver); }, @@ -551,12 +643,35 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ); }; forEach(notFuncs, throwsIfNotCallable); - ES.Call(function (a, b) { - t.equal(this, receiver, 'context matches expected'); - t.deepEqual([a, b], [1, 2], 'named args are correct'); - t.equal(arguments.length, 3, 'extra argument was passed'); - t.equal(arguments[2], 3, 'extra argument was correct'); - }, receiver, [1, 2, 3]); + ES.Call( + function (a, b) { + t.equal(this, receiver, 'context matches expected'); + t.deepEqual([a, b], [1, 2], 'named args are correct'); + t.equal(arguments.length, 3, 'extra argument was passed'); + t.equal(arguments[2], 3, 'extra argument was correct'); + }, + receiver, + [1, 2, 3] + ); + + t.test('Call doesn’t use func.apply', function (st) { + st.plan(4); + + var bad = function (a, b) { + st.equal(this, receiver, 'context matches expected'); + st.deepEqual([a, b], [1, 2], 'named args are correct'); + st.equal(arguments.length, 3, 'extra argument was passed'); + st.equal(arguments[2], 3, 'extra argument was correct'); + }; + + bad.apply = function () { + st.fail('bad.apply shouldn’t get called'); + }; + + ES.Call(bad, receiver, [1, 2, 3]); + st.end(); + }); + t.end(); }); @@ -649,37 +764,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.end(); }); - var bothDescriptor = function () { - return { '[[Get]]': function () {}, '[[Value]]': true }; - }; - var accessorDescriptor = function () { - return { - '[[Get]]': function () {}, - '[[Enumerable]]': true, - '[[Configurable]]': true - }; - }; - var mutatorDescriptor = function () { - return { - '[[Set]]': function () {}, - '[[Enumerable]]': true, - '[[Configurable]]': true - }; - }; - var dataDescriptor = function () { - return { - '[[Value]]': 42, - '[[Writable]]': false - }; - }; - var genericDescriptor = function () { - return { - '[[Configurable]]': true, - '[[Enumerable]]': false - }; - }; - - test('IsPropertyDescriptor', function (t) { + test('IsPropertyDescriptor', { skip: skips && skips.IsPropertyDescriptor }, function (t) { forEach(v.nonUndefinedPrimitives, function (primitive) { t.equal( ES.IsPropertyDescriptor(primitive), @@ -692,18 +777,22 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(ES.IsPropertyDescriptor({}), true, 'empty object is an incomplete Property Descriptor'); - t.equal(ES.IsPropertyDescriptor(accessorDescriptor()), true, 'accessor descriptor is a Property Descriptor'); - t.equal(ES.IsPropertyDescriptor(mutatorDescriptor()), true, 'mutator descriptor is a Property Descriptor'); - t.equal(ES.IsPropertyDescriptor(dataDescriptor()), true, 'data descriptor is a Property Descriptor'); - t.equal(ES.IsPropertyDescriptor(genericDescriptor()), true, 'generic descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.dataDescriptor()), true, 'data descriptor is a Property Descriptor'); + t.equal(ES.IsPropertyDescriptor(v.genericDescriptor()), true, 'generic descriptor is a Property Descriptor'); - t['throws'](function () { - ES.IsPropertyDescriptor(bothDescriptor()); - }, TypeError, 'a Property Descriptor can not be both a Data and an Accessor Descriptor'); + t['throws']( + function () { ES.IsPropertyDescriptor(v.bothDescriptor()); }, + TypeError, + 'a Property Descriptor can not be both a Data and an Accessor Descriptor' + ); t.end(); }); + assertRecordTests(ES, test); + test('IsAccessorDescriptor', function (t) { forEach(v.nonUndefinedPrimitives, function (primitive) { t['throws']( @@ -716,10 +805,10 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(ES.IsAccessorDescriptor(), false, 'no value is not an Accessor Descriptor'); t.equal(ES.IsAccessorDescriptor(undefined), false, 'undefined value is not an Accessor Descriptor'); - t.equal(ES.IsAccessorDescriptor(accessorDescriptor()), true, 'accessor descriptor is an Accessor Descriptor'); - t.equal(ES.IsAccessorDescriptor(mutatorDescriptor()), true, 'mutator descriptor is an Accessor Descriptor'); - t.equal(ES.IsAccessorDescriptor(dataDescriptor()), false, 'data descriptor is not an Accessor Descriptor'); - t.equal(ES.IsAccessorDescriptor(genericDescriptor()), false, 'generic descriptor is not an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.accessorDescriptor()), true, 'accessor descriptor is an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.mutatorDescriptor()), true, 'mutator descriptor is an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.dataDescriptor()), false, 'data descriptor is not an Accessor Descriptor'); + t.equal(ES.IsAccessorDescriptor(v.genericDescriptor()), false, 'generic descriptor is not an Accessor Descriptor'); t.end(); }); @@ -736,10 +825,10 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(ES.IsDataDescriptor(), false, 'no value is not a Data Descriptor'); t.equal(ES.IsDataDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); - t.equal(ES.IsDataDescriptor(accessorDescriptor()), false, 'accessor descriptor is not a Data Descriptor'); - t.equal(ES.IsDataDescriptor(mutatorDescriptor()), false, 'mutator descriptor is not a Data Descriptor'); - t.equal(ES.IsDataDescriptor(dataDescriptor()), true, 'data descriptor is a Data Descriptor'); - t.equal(ES.IsDataDescriptor(genericDescriptor()), false, 'generic descriptor is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.dataDescriptor()), true, 'data descriptor is a Data Descriptor'); + t.equal(ES.IsDataDescriptor(v.genericDescriptor()), false, 'generic descriptor is not a Data Descriptor'); t.end(); }); @@ -756,11 +845,11 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.equal(ES.IsGenericDescriptor(), false, 'no value is not a Data Descriptor'); t.equal(ES.IsGenericDescriptor(undefined), false, 'undefined value is not a Data Descriptor'); - t.equal(ES.IsGenericDescriptor(accessorDescriptor()), false, 'accessor descriptor is not a generic Descriptor'); - t.equal(ES.IsGenericDescriptor(mutatorDescriptor()), false, 'mutator descriptor is not a generic Descriptor'); - t.equal(ES.IsGenericDescriptor(dataDescriptor()), false, 'data descriptor is not a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.accessorDescriptor()), false, 'accessor descriptor is not a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.mutatorDescriptor()), false, 'mutator descriptor is not a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.dataDescriptor()), false, 'data descriptor is not a generic Descriptor'); - t.equal(ES.IsGenericDescriptor(genericDescriptor()), true, 'generic descriptor is a generic Descriptor'); + t.equal(ES.IsGenericDescriptor(v.genericDescriptor()), true, 'generic descriptor is a generic Descriptor'); t.end(); }); @@ -777,34 +866,29 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ); }); - var accessor = accessorDescriptor(); + var accessor = v.accessorDescriptor(); t.deepEqual(ES.FromPropertyDescriptor(accessor), { get: accessor['[[Get]]'], - set: accessor['[[Set]]'], enumerable: !!accessor['[[Enumerable]]'], configurable: !!accessor['[[Configurable]]'] }); - var mutator = mutatorDescriptor(); + var mutator = v.mutatorDescriptor(); t.deepEqual(ES.FromPropertyDescriptor(mutator), { - get: mutator['[[Get]]'], set: mutator['[[Set]]'], enumerable: !!mutator['[[Enumerable]]'], configurable: !!mutator['[[Configurable]]'] }); - var data = dataDescriptor(); + var data = v.dataDescriptor(); t.deepEqual(ES.FromPropertyDescriptor(data), { value: data['[[Value]]'], - writable: data['[[Writable]]'], - enumerable: !!data['[[Enumerable]]'], - configurable: !!data['[[Configurable]]'] + writable: data['[[Writable]]'] }); - t['throws']( - function () { ES.FromPropertyDescriptor(genericDescriptor()); }, - TypeError, - 'a complete Property Descriptor is required' - ); + t.deepEqual(ES.FromPropertyDescriptor(v.genericDescriptor()), { + enumerable: false, + configurable: true + }); t.end(); }); @@ -818,28 +902,28 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ); }); - var accessor = accessorDescriptor(); + var accessor = v.accessorDescriptor(); t.deepEqual(ES.ToPropertyDescriptor({ get: accessor['[[Get]]'], enumerable: !!accessor['[[Enumerable]]'], configurable: !!accessor['[[Configurable]]'] }), accessor); - var mutator = mutatorDescriptor(); + var mutator = v.mutatorDescriptor(); t.deepEqual(ES.ToPropertyDescriptor({ set: mutator['[[Set]]'], enumerable: !!mutator['[[Enumerable]]'], configurable: !!mutator['[[Configurable]]'] }), mutator); - var data = dataDescriptor(); + var data = v.dataDescriptor(); t.deepEqual(ES.ToPropertyDescriptor({ value: data['[[Value]]'], writable: data['[[Writable]]'], configurable: !!data['[[Configurable]]'] }), assign(data, { '[[Configurable]]': false })); - var both = bothDescriptor(); + var both = v.bothDescriptor(); t['throws']( function () { ES.FromPropertyDescriptor({ get: both['[[Get]]'], value: both['[[Value]]'] }); @@ -860,40 +944,56 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ); }); - var generic = genericDescriptor(); - t.deepEqual(ES.CompletePropertyDescriptor(generic), { - '[[Configurable]]': !!generic['[[Configurable]]'], - '[[Enumerable]]': !!generic['[[Enumerable]]'], - '[[Value]]': undefined, - '[[Writable]]': false - }, 'completes a Generic Descriptor'); - - var data = dataDescriptor(); - t.deepEqual(ES.CompletePropertyDescriptor(data), { - '[[Configurable]]': !!data['[[Configurable]]'], - '[[Enumerable]]': false, - '[[Value]]': data['[[Value]]'], - '[[Writable]]': !!data['[[Writable]]'] - }, 'completes a Data Descriptor'); - - var accessor = accessorDescriptor(); - t.deepEqual(ES.CompletePropertyDescriptor(accessor), { - '[[Get]]': accessor['[[Get]]'], - '[[Enumerable]]': !!accessor['[[Enumerable]]'], - '[[Configurable]]': !!accessor['[[Configurable]]'], - '[[Set]]': undefined - }, 'completes an Accessor Descriptor'); - - var mutator = mutatorDescriptor(); - t.deepEqual(ES.CompletePropertyDescriptor(mutator), { - '[[Set]]': mutator['[[Set]]'], - '[[Enumerable]]': !!mutator['[[Enumerable]]'], - '[[Configurable]]': !!mutator['[[Configurable]]'], - '[[Get]]': undefined - }, 'completes a mutator Descriptor'); + var generic = v.genericDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(generic), + { + '[[Configurable]]': !!generic['[[Configurable]]'], + '[[Enumerable]]': !!generic['[[Enumerable]]'], + '[[Value]]': undefined, + '[[Writable]]': false + }, + 'completes a Generic Descriptor' + ); + + var data = v.dataDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(data), + { + '[[Configurable]]': !!data['[[Configurable]]'], + '[[Enumerable]]': false, + '[[Value]]': data['[[Value]]'], + '[[Writable]]': !!data['[[Writable]]'] + }, + 'completes a Data Descriptor' + ); + + var accessor = v.accessorDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(accessor), + { + '[[Get]]': accessor['[[Get]]'], + '[[Enumerable]]': !!accessor['[[Enumerable]]'], + '[[Configurable]]': !!accessor['[[Configurable]]'], + '[[Set]]': undefined + }, + 'completes an Accessor Descriptor' + ); + + var mutator = v.mutatorDescriptor(); + t.deepEqual( + ES.CompletePropertyDescriptor(mutator), + { + '[[Set]]': mutator['[[Set]]'], + '[[Enumerable]]': !!mutator['[[Enumerable]]'], + '[[Configurable]]': !!mutator['[[Configurable]]'], + '[[Get]]': undefined + }, + 'completes a mutator Descriptor' + ); t['throws']( - function () { ES.CompletePropertyDescriptor(bothDescriptor()); }, + function () { ES.CompletePropertyDescriptor(v.bothDescriptor()); }, TypeError, 'data and accessor descriptors are mutually exclusive' ); @@ -931,34 +1031,56 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ES.Set(o, 'key', value, true); t.deepEqual(o, { key: value }, 'key is set'); - t.test('nonwritable', { skip: !Object.defineProperty }, function (st) { + t.test('nonwritable', { skip: !defineProperty.oDP }, function (st) { var obj = { a: value }; - Object.defineProperty(obj, 'a', { writable: false }); + defineProperty(obj, 'a', { writable: false }); st['throws']( - function () { ES.Set(obj, 'a', value, true); }, + function () { ES.Set(obj, 'a', {}, true); }, TypeError, 'can not Set nonwritable property' ); st.doesNotThrow( - function () { ES.Set(obj, 'a', value, false); }, + function () { + st.equal(ES.Set(obj, 'a', {}, false), false, 'unsuccessful Set returns false'); + }, 'setting Throw to false prevents an exception' ); st.end(); }); - t.test('nonconfigurable', { skip: !Object.defineProperty }, function (st) { + t.test('nonconfigurable', { skip: !defineProperty.oDP }, function (st) { var obj = { a: value }; - Object.defineProperty(obj, 'a', { configurable: false }); + defineProperty(obj, 'a', { configurable: false }); - ES.Set(obj, 'a', value, true); + st.equal(ES.Set(obj, 'a', value, true), true, 'successful Set returns true'); st.deepEqual(obj, { a: value }, 'key is set'); st.end(); }); + t.test('doesn’t call [[Get]] in conforming strict mode environments', { skip: noThrowOnStrictViolation }, function (st) { + var getterCalled = false; + var setterCalls = 0; + var obj = {}; + defineProperty(obj, 'a', { + get: function () { + getterCalled = true; + }, + set: function () { + setterCalls += 1; + } + }); + + st.equal(ES.Set(obj, 'a', value, false), true, 'successful Set returns true'); + st.equal(setterCalls, 1, 'setter was called once'); + st.equal(getterCalled, false, 'getter was not called'); + + st.end(); + }); + t.end(); }); @@ -1090,7 +1212,24 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.end(); }); - test('GetIterator', { skip: true }); + test('GetIterator', function (t) { + var arr = [1, 2]; + testIterator(t, ES.GetIterator(arr), arr); + + testIterator(t, ES.GetIterator('abc'), 'abc'.split('')); + + t.test('Symbol.iterator', { skip: !v.hasSymbols }, function (st) { + var m = new Map(); + m.set(1, 'a'); + m.set(2, 'b'); + + testIterator(st, ES.GetIterator(m), [[1, 'a'], [2, 'b']]); + + st.end(); + }); + + t.end(); + }); test('IteratorNext', { skip: true }); @@ -1112,14 +1251,16 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { }); var value = {}; - t.deepEqual(ES.CreateIterResultObject(value, true), { - value: value, - done: true - }, 'creates a "done" iteration result'); - t.deepEqual(ES.CreateIterResultObject(value, false), { - value: value, - done: false - }, 'creates a "not done" iteration result'); + t.deepEqual( + ES.CreateIterResultObject(value, true), + { value: value, done: true }, + 'creates a "done" iteration result' + ); + t.deepEqual( + ES.CreateIterResultObject(value, false), + { value: value, done: false }, + 'creates a "not done" iteration result' + ); t.end(); }); @@ -1173,10 +1314,12 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var S = 'aabc'; var R = /a/g; var match1 = ES.RegExpExec(R, S); + var expected1 = assign(['a'], kludgeMatch(R, { index: 0, input: S })); var match2 = ES.RegExpExec(R, S); + var expected2 = assign(['a'], kludgeMatch(R, { index: 1, input: S })); var match3 = ES.RegExpExec(R, S); - st.deepEqual(match1, assign(['a'], groups({ index: 0, input: S })), 'match object 1 is as expected'); - st.deepEqual(match2, assign(['a'], groups({ index: 1, input: S })), 'match object 2 is as expected'); + st.deepEqual(match1, expected1, 'match object 1 is as expected'); + st.deepEqual(match2, expected2, 'match object 2 is as expected'); st.equal(match3, null, 'match 3 is null as expected'); st.end(); }); @@ -1186,10 +1329,12 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var R = /a/g; R.exec = undefined; var match1 = ES.RegExpExec(R, S); + var expected1 = assign(['a'], kludgeMatch(R, { index: 0, input: S })); var match2 = ES.RegExpExec(R, S); + var expected2 = assign(['a'], kludgeMatch(R, { index: 1, input: S })); var match3 = ES.RegExpExec(R, S); - st.deepEqual(match1, assign(['a'], groups({ index: 0, input: S })), 'match object 1 is as expected'); - st.deepEqual(match2, assign(['a'], groups({ index: 1, input: S })), 'match object 2 is as expected'); + st.deepEqual(match1, expected1, 'match object 1 is as expected'); + st.deepEqual(match2, expected2, 'match object 2 is as expected'); st.equal(match3, null, 'match 3 is null as expected'); st.end(); }); @@ -1277,7 +1422,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var Bar = getArraySubclassWithSpeciesConstructor(Foo); var bar = new Bar(); - t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); var arr = ES.ArraySpeciesCreate(bar, 3); st.equal(arr.constructor, Foo, 'result used species constructor'); @@ -1291,7 +1436,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var Bar = getArraySubclassWithSpeciesConstructor(null); var bar = new Bar(); - t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); var arr = ES.ArraySpeciesCreate(bar, 3); st.equal(arr.constructor, Array, 'result used default constructor'); @@ -1304,7 +1449,7 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var Bar = getArraySubclassWithSpeciesConstructor(); var bar = new Bar(); - t.equal(ES.IsArray(bar), true, 'Bar instance is an array'); + st.equal(ES.IsArray(bar), true, 'Bar instance is an array'); var arr = ES.ArraySpeciesCreate(bar, 3); st.equal(arr.constructor, Array, 'result used default constructor'); @@ -1350,7 +1495,8 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { ); }); - var sentinel = {}; + var sentinel = { id: 'sentinel' }; + var secondSentinel = { id: 'second sentinel' }; forEach(v.propertyKeys, function (propertyKey) { var obj = {}; var status = ES.CreateDataProperty(obj, propertyKey, sentinel); @@ -1360,28 +1506,36 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { sentinel, debug(sentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' ); + var secondStatus = ES.CreateDataProperty(obj, propertyKey, secondSentinel); + t.equal(secondStatus, true, 'second status is true'); + t.equal( + obj[propertyKey], + secondSentinel, + debug(secondSentinel) + ' is installed on "' + debug(propertyKey) + '" on the object' + ); - if (typeof Object.defineProperty === 'function') { - var nonWritable = Object.defineProperty({}, propertyKey, { configurable: true, writable: false }); + t.test('with defineProperty', { skip: !defineProperty.oDP }, function (st) { + var nonWritable = defineProperty({}, propertyKey, { configurable: true, writable: false }); var nonWritableStatus = ES.CreateDataProperty(nonWritable, propertyKey, sentinel); - t.equal(nonWritableStatus, false, 'create data property failed'); - t.notEqual( + st.equal(nonWritableStatus, false, 'create data property failed'); + st.notEqual( nonWritable[propertyKey], sentinel, debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonwritable' ); - var nonConfigurable = Object.defineProperty({}, propertyKey, { configurable: false, writable: true }); + var nonConfigurable = defineProperty({}, propertyKey, { configurable: false, writable: true }); var nonConfigurableStatus = ES.CreateDataProperty(nonConfigurable, propertyKey, sentinel); - t.equal(nonConfigurableStatus, false, 'create data property failed'); - t.notEqual( + st.equal(nonConfigurableStatus, false, 'create data property failed'); + st.notEqual( nonConfigurable[propertyKey], sentinel, debug(sentinel) + ' is not installed on "' + debug(propertyKey) + '" on the object when key is nonconfigurable' ); - } + st.end(); + }); }); t.end(); @@ -1455,10 +1609,10 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { }); t.test('internal slots arg', function (st) { - st.doesNotThrow(function () { ES.ObjectCreate(null, []); }, 'an empty slot list is valid'); + st.doesNotThrow(function () { ES.ObjectCreate({}, []); }, 'an empty slot list is valid'); st['throws']( - function () { ES.ObjectCreate(null, ['a']); }, + function () { ES.ObjectCreate({}, ['a']); }, SyntaxError, 'internal slots are not supported' ); @@ -1466,14 +1620,14 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { st.end(); }); - t.test('null proto', { skip: !Object.create }, function (st) { - st.equal('toString' in ({}), true, 'normal objects have toString'); + t.test('null proto', { skip: !Object.create && !$setProto }, function (st) { + st.equal('toString' in {}, true, 'normal objects have toString'); st.equal('toString' in ES.ObjectCreate(null), false, 'makes a null object'); st.end(); }); - t.test('null proto when no native Object.create', { skip: Object.create }, function (st) { + t.test('null proto when no native Object.create', { skip: Object.create || $setProto }, function (st) { st['throws']( function () { ES.ObjectCreate(null); }, SyntaxError, @@ -1497,7 +1651,8 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { var notInts = v.nonNumbers.concat( v.nonIntegerNumbers, - [Infinity, -Infinity, NaN, [], new Date(), Math.pow(2, 53), -1] + v.infinities, + [NaN, [], new Date(), Math.pow(2, 53), -1] ); forEach(notInts, function (nonInt) { t['throws']( @@ -1560,10 +1715,1786 @@ var es2015 = function ES2015(ES, ops, expectedMissing) { t.end(); }); + + test('CreateMethodProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CreateMethodProperty(primitive, 'key'); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.CreateMethodProperty({}, nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = {}; + var key = 'the key'; + var value = { foo: 'bar' }; + + st.equal(ES.CreateMethodProperty(obj, key, value), true, 'defines property successfully'); + st.test('property descriptor', { skip: !getOwnPropertyDescriptor }, function (s2t) { + s2t.deepEqual( + getOwnPropertyDescriptor(obj, key), + { + configurable: true, + enumerable: false, + value: value, + writable: true + }, + 'sets the correct property descriptor' + ); + + s2t.end(); + }); + st.equal(obj[key], value, 'sets the correct value'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { ES.CreateMethodProperty(obj, 'foo', { value: 'baz' }); }, + TypeError, + 'nonconfigurable key can not be defined' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { ES.CreateMethodProperty(function () {}, 'name', { value: 'baz' }); }, + TypeError, + 'nonconfigurable function name can not be defined' + ); + st.end(); + }); + + t.end(); + }); + + test('DefinePropertyOrThrow', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.DefinePropertyOrThrow(primitive, 'key', {}); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.DefinePropertyOrThrow({}, nonPropertyKey, {}); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = {}; + var key = 'the key'; + var descriptor = { + configurable: true, + enumerable: false, + value: { foo: 'bar' }, + writable: true + }; + + st.equal(ES.DefinePropertyOrThrow(obj, key, descriptor), true, 'defines property successfully'); + st.test('property descriptor', { skip: !getOwnPropertyDescriptor }, function (s2t) { + s2t.deepEqual( + getOwnPropertyDescriptor(obj, key), + descriptor, + 'sets the correct property descriptor' + ); + + s2t.end(); + }); + st.deepEqual(obj[key], descriptor.value, 'sets the correct value'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { + ES.DefinePropertyOrThrow(obj, 'foo', { configurable: true, value: 'baz' }); + }, + TypeError, + 'nonconfigurable key can not be defined' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { + ES.DefinePropertyOrThrow(function () {}, 'name', { configurable: true, value: 'baz' }); + }, + TypeError, + 'nonconfigurable function name can not be defined' + ); + st.end(); + }); + + t.end(); + }); + + test('DeletePropertyOrThrow', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.DeletePropertyOrThrow(primitive, 'key', {}); }, + TypeError, + 'O must be an Object' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.DeletePropertyOrThrow({}, nonPropertyKey, {}); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('defines correctly', function (st) { + var obj = { 'the key': 42 }; + var key = 'the key'; + + st.equal(ES.DeletePropertyOrThrow(obj, key), true, 'deletes property successfully'); + st.equal(key in obj, false, 'key is no longer in the object'); + + st.end(); + }); + + t.test('fails as expected on a frozen object', { skip: !Object.freeze }, function (st) { + var obj = Object.freeze({ foo: 'bar' }); + st['throws']( + function () { ES.DeletePropertyOrThrow(obj, 'foo'); }, + TypeError, + 'nonconfigurable key can not be deleted' + ); + + st.end(); + }); + + t.test('fails as expected on a function with a nonconfigurable name', { skip: !functionsHaveNames || functionsHaveConfigurableNames }, function (st) { + st['throws']( + function () { ES.DeletePropertyOrThrow(function () {}, 'name'); }, + TypeError, + 'nonconfigurable function name can not be deleted' + ); + st.end(); + }); + + t.end(); + }); + + test('EnumerableOwnNames', { skip: skips && skips.EnumerableOwnNames }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { return ES.EnumerableOwnNames(O); }); + + t.deepEqual( + ES.EnumerableOwnNames(obj), + ['own'], + 'returns enumerable own names' + ); + + t.end(); + }); + + test('thisNumberValue', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.thisNumberValue(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + forEach(v.numbers, function (number) { + t.equal(ES.thisNumberValue(number), number, debug(number) + ' is its own thisNumberValue'); + var obj = Object(number); + t.equal(ES.thisNumberValue(obj), number, debug(obj) + ' is the boxed thisNumberValue'); + }); + + t.end(); + }); + + test('thisBooleanValue', function (t) { + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { ES.thisBooleanValue(nonBoolean); }, + TypeError, + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + forEach(v.booleans, function (boolean) { + t.equal(ES.thisBooleanValue(boolean), boolean, debug(boolean) + ' is its own thisBooleanValue'); + var obj = Object(boolean); + t.equal(ES.thisBooleanValue(obj), boolean, debug(obj) + ' is the boxed thisBooleanValue'); + }); + + t.end(); + }); + + test('thisStringValue', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.thisStringValue(nonString); }, + TypeError, + debug(nonString) + ' is not a String' + ); + }); + + forEach(v.strings, function (string) { + t.equal(ES.thisStringValue(string), string, debug(string) + ' is its own thisStringValue'); + var obj = Object(string); + t.equal(ES.thisStringValue(obj), string, debug(obj) + ' is the boxed thisStringValue'); + }); + + t.end(); + }); + + test('thisTimeValue', function (t) { + forEach(v.primitives.concat(v.objects), function (nonDate) { + t['throws']( + function () { ES.thisTimeValue(nonDate); }, + TypeError, + debug(nonDate) + ' is not a Date' + ); + }); + + forEach(v.timestamps, function (timestamp) { + var date = new Date(timestamp); + + t.equal(ES.thisTimeValue(date), timestamp, debug(date) + ' is its own thisTimeValue'); + }); + + t.end(); + }); + + test('SetIntegrityLevel', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.SetIntegrityLevel(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.SetIntegrityLevel({}); }, + /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, + '`level` must be `"sealed"` or `"frozen"`' + ); + + var O = { a: 1 }; + t.test('sealed', { skip: !Object.preventExtensions || noThrowOnStrictViolation }, function (st) { + st.equal(ES.SetIntegrityLevel(O, 'sealed'), true); + st['throws']( + function () { O.b = 2; }, + /^TypeError: (Cannot|Can't) add property b, object is not extensible$/, + 'sealing prevent new properties from being added' + ); + O.a = 2; + st.equal(O.a, 2, 'pre-frozen, existing properties are mutable'); + st.end(); + }); + + t.test('frozen', { skip: !Object.freeze || noThrowOnStrictViolation }, function (st) { + st.equal(ES.SetIntegrityLevel(O, 'frozen'), true); + st['throws']( + function () { O.a = 3; }, + /^TypeError: Cannot assign to read only property 'a' of /, + 'freezing prevents existing properties from being mutated' + ); + st.end(); + }); + + t.end(); + }); + + test('TestIntegrityLevel', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.TestIntegrityLevel(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.TestIntegrityLevel({ a: 1 }); }, + /^TypeError: Assertion failed: `level` must be `"sealed"` or `"frozen"`$/, + '`level` must be `"sealed"` or `"frozen"`' + ); + + t.equal(ES.TestIntegrityLevel({ a: 1 }, 'sealed'), false, 'basic object is not sealed'); + t.equal(ES.TestIntegrityLevel({ a: 1 }, 'frozen'), false, 'basic object is not frozen'); + + t.test('preventExtensions', { skip: !Object.preventExtensions }, function (st) { + var o = Object.preventExtensions({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), false, 'nonextensible object is not sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'nonextensible object is not frozen'); + + var empty = Object.preventExtensions({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty nonextensible object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty nonextensible object is frozen'); + st.end(); + }); + + t.test('seal', { skip: !Object.seal }, function (st) { + var o = Object.seal({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'sealed object is sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), false, 'sealed object is not frozen'); + + var empty = Object.seal({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty sealed object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty sealed object is frozen'); + + st.end(); + }); + + t.test('freeze', { skip: !Object.freeze }, function (st) { + var o = Object.freeze({ a: 1 }); + st.equal(ES.TestIntegrityLevel(o, 'sealed'), true, 'frozen object is sealed'); + st.equal(ES.TestIntegrityLevel(o, 'frozen'), true, 'frozen object is frozen'); + + var empty = Object.freeze({}); + st.equal(ES.TestIntegrityLevel(empty, 'sealed'), true, 'empty frozen object is sealed'); + st.equal(ES.TestIntegrityLevel(empty, 'frozen'), true, 'empty frozen object is frozen'); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryHasInstance', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t.equal(ES.OrdinaryHasInstance(nonFunction, {}), false, debug(nonFunction) + ' is not callable'); + }); + + forEach(v.primitives, function (primitive) { + t.equal(ES.OrdinaryHasInstance(function () {}, primitive), false, debug(primitive) + ' is not an object'); + }); + + var C = function C() {}; + var D = function D() {}; + t.equal(ES.OrdinaryHasInstance(C, new C()), true, 'constructor function has an instance of itself'); + t.equal(ES.OrdinaryHasInstance(C, new D()), false, 'constructor/instance mismatch is false'); + t.equal(ES.OrdinaryHasInstance(D, new C()), false, 'instance/constructor mismatch is false'); + t.equal(ES.OrdinaryHasInstance(C, {}), false, 'plain object is not an instance of a constructor'); + t.equal(ES.OrdinaryHasInstance(Object, {}), true, 'plain object is an instance of Object'); + + t.end(); + }); + + test('OrdinaryHasProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryHasProperty(primitive, ''); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryHasProperty({}, nonPropertyKey); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.OrdinaryHasProperty({ a: 1 }, 'a'), true, 'own property is true'); + t.equal(ES.OrdinaryHasProperty({}, 'toString'), true, 'inherited property is true'); + t.equal(ES.OrdinaryHasProperty({}, 'nope'), false, 'absent property is false'); + + t.end(); + }); + + test('InstanceofOperator', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.InstanceofOperator(primitive, function () {}); }, + TypeError, + debug(primitive) + ' is not an object' + ); + }); + + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.InstanceofOperator({}, nonFunction); }, + TypeError, + debug(nonFunction) + ' is not callable' + ); + }); + + var C = function C() {}; + var D = function D() {}; + + t.equal(ES.InstanceofOperator(new C(), C), true, 'constructor function has an instance of itself'); + t.equal(ES.InstanceofOperator(new D(), C), false, 'constructor/instance mismatch is false'); + t.equal(ES.InstanceofOperator(new C(), D), false, 'instance/constructor mismatch is false'); + t.equal(ES.InstanceofOperator({}, C), false, 'plain object is not an instance of a constructor'); + t.equal(ES.InstanceofOperator({}, Object), true, 'plain object is an instance of Object'); + + t.test('Symbol.hasInstance', { skip: !v.hasSymbols || !Symbol.hasInstance }, function (st) { + st.plan(4); + + var O = {}; + var C2 = function () {}; + st.equal(ES.InstanceofOperator(O, C2), false, 'O is not an instance of C2'); + + defineProperty(C2, Symbol.hasInstance, { + value: function (obj) { + st.equal(this, C2, 'hasInstance receiver is C2'); + st.equal(obj, O, 'hasInstance argument is O'); + + return {}; // testing coercion to boolean + } + }); + + st.equal(ES.InstanceofOperator(O, C2), true, 'O is now an instance of C2'); + + st.end(); + }); + + t.end(); + }); + + test('Abstract Equality Comparison', function (t) { + t.test('same types use ===', function (st) { + forEach(v.primitives.concat(v.objects), function (value) { + st.equal(ES['Abstract Equality Comparison'](value, value), value === value, debug(value) + ' is abstractly equal to itself'); + }); + st.end(); + }); + + t.test('different types coerce', function (st) { + var pairs = [ + [null, undefined], + [3, '3'], + [true, '3'], + [true, 3], + [false, 0], + [false, '0'], + [3, [3]], + ['3', [3]], + [true, [1]], + [false, [0]], + [String(v.coercibleObject), v.coercibleObject], + [Number(String(v.coercibleObject)), v.coercibleObject], + [Number(v.coercibleObject), v.coercibleObject], + [String(Number(v.coercibleObject)), v.coercibleObject] + ]; + forEach(pairs, function (pair) { + var a = pair[0]; + var b = pair[1]; + // eslint-disable-next-line eqeqeq + st.equal(ES['Abstract Equality Comparison'](a, b), a == b, debug(a) + ' == ' + debug(b)); + // eslint-disable-next-line eqeqeq + st.equal(ES['Abstract Equality Comparison'](b, a), b == a, debug(b) + ' == ' + debug(a)); + }); + st.end(); + }); + + t.end(); + }); + + test('Strict Equality Comparison', function (t) { + t.test('same types use ===', function (st) { + forEach(v.primitives.concat(v.objects), function (value) { + st.equal(ES['Strict Equality Comparison'](value, value), value === value, debug(value) + ' is strictly equal to itself'); + }); + st.end(); + }); + + t.test('different types are not ===', function (st) { + var pairs = [ + [null, undefined], + [3, '3'], + [true, '3'], + [true, 3], + [false, 0], + [false, '0'], + [3, [3]], + ['3', [3]], + [true, [1]], + [false, [0]], + [String(v.coercibleObject), v.coercibleObject], + [Number(String(v.coercibleObject)), v.coercibleObject], + [Number(v.coercibleObject), v.coercibleObject], + [String(Number(v.coercibleObject)), v.coercibleObject] + ]; + forEach(pairs, function (pair) { + var a = pair[0]; + var b = pair[1]; + st.equal(ES['Strict Equality Comparison'](a, b), a === b, debug(a) + ' === ' + debug(b)); + st.equal(ES['Strict Equality Comparison'](b, a), b === a, debug(b) + ' === ' + debug(a)); + }); + st.end(); + }); + + t.end(); + }); + + test('Abstract Relational Comparison', function (t) { + t.test('at least one operand is NaN', function (st) { + st.equal(ES['Abstract Relational Comparison'](NaN, {}, true), undefined, 'LeftFirst: first is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison']({}, NaN, true), undefined, 'LeftFirst: second is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison'](NaN, {}, false), undefined, '!LeftFirst: first is NaN, returns undefined'); + st.equal(ES['Abstract Relational Comparison']({}, NaN, false), undefined, '!LeftFirst: second is NaN, returns undefined'); + st.end(); + }); + + t.equal(ES['Abstract Relational Comparison'](3, 4, true), true, 'LeftFirst: 3 is less than 4'); + t.equal(ES['Abstract Relational Comparison'](4, 3, true), false, 'LeftFirst: 3 is not less than 4'); + t.equal(ES['Abstract Relational Comparison'](3, 4, false), true, '!LeftFirst: 3 is less than 4'); + t.equal(ES['Abstract Relational Comparison'](4, 3, false), false, '!LeftFirst: 3 is not less than 4'); + + t.equal(ES['Abstract Relational Comparison']('3', '4', true), true, 'LeftFirst: "3" is less than "4"'); + t.equal(ES['Abstract Relational Comparison']('4', '3', true), false, 'LeftFirst: "3" is not less than "4"'); + t.equal(ES['Abstract Relational Comparison']('3', '4', false), true, '!LeftFirst: "3" is less than "4"'); + t.equal(ES['Abstract Relational Comparison']('4', '3', false), false, '!LeftFirst: "3" is not less than "4"'); + + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, true), true, 'LeftFirst: coercible object is less than 42'); + t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, true), false, 'LeftFirst: 42 is not less than coercible object'); + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, 42, false), true, '!LeftFirst: coercible object is less than 42'); + t.equal(ES['Abstract Relational Comparison'](42, v.coercibleObject, false), false, '!LeftFirst: 42 is not less than coercible object'); + + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', true), false, 'LeftFirst: coercible object is not less than "3"'); + t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, true), false, 'LeftFirst: "3" is not less than coercible object'); + t.equal(ES['Abstract Relational Comparison'](v.coercibleObject, '3', false), false, '!LeftFirst: coercible object is not less than "3"'); + t.equal(ES['Abstract Relational Comparison']('3', v.coercibleObject, false), false, '!LeftFirst: "3" is not less than coercible object'); + + t.end(); + }); + + test('ValidateAndApplyPropertyDescriptor', function (t) { + forEach(v.nonUndefinedPrimitives, function (nonUndefinedPrimitive) { + t['throws']( + function () { ES.ValidateAndApplyPropertyDescriptor(nonUndefinedPrimitive, '', false, v.genericDescriptor(), v.genericDescriptor()); }, + TypeError, + 'O: ' + debug(nonUndefinedPrimitive) + ' is not undefined or an Object' + ); + }); + + forEach(v.nonBooleans, function (nonBoolean) { + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + nonBoolean, + v.genericDescriptor(), + v.genericDescriptor() + ); + }, + TypeError, + 'extensible: ' + debug(nonBoolean) + ' is not a Boolean' + ); + }); + + forEach(v.primitives, function (primitive) { + // Desc must be a Property Descriptor + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + false, + primitive, + v.genericDescriptor() + ); + }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + forEach(v.nonUndefinedPrimitives, function (primitive) { + // current must be undefined or a Property Descriptor + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + undefined, + null, + false, + v.genericDescriptor(), + primitive + ); + }, + TypeError, + 'current: ' + debug(primitive) + ' is not a Property Descriptor or undefined' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + // if O is an object, P must be a property key + t['throws']( + function () { + return ES.ValidateAndApplyPropertyDescriptor( + {}, + nonPropertyKey, + false, + v.genericDescriptor(), + v.genericDescriptor() + ); + }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.test('current is undefined', function (st) { + var propertyKey = 'howdy'; + + st.test('generic descriptor', function (s2t) { + var generic = v.genericDescriptor(); + generic['[[Enumerable]]'] = true; + var O = {}; + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, generic); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, generic), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, generic), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = undefined; + s2t.deepEqual(O, expected, 'generic descriptor has been defined as an own data property'); + s2t.end(); + }); + + st.test('data descriptor', function (s2t) { + var data = v.dataDescriptor(); + data['[[Enumerable]]'] = true; + + var O = {}; + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, data), + true, + 'noop when O is undefined' + ); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, data), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, data), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = data['[[Value]]']; + s2t.deepEqual(O, expected, 'data descriptor has been defined as an own data property'); + s2t.end(); + }); + + st.test('accessor descriptor', { skip: !defineProperty.oDP }, function (s2t) { + var count = 0; + var accessor = v.accessorDescriptor(); + accessor['[[Enumerable]]'] = true; + accessor['[[Get]]'] = function () { + count += 1; + return count; + }; + + var O = {}; + ES.ValidateAndApplyPropertyDescriptor(undefined, propertyKey, true, accessor); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, false, accessor), + false, + 'when extensible is false, nothing happens' + ); + s2t.deepEqual(O, {}, 'no changes applied when O is undefined or extensible is false'); + s2t.equal( + ES.ValidateAndApplyPropertyDescriptor(O, propertyKey, true, accessor), + true, + 'operation is successful' + ); + var expected = {}; + expected[propertyKey] = accessor['[[Get]]']() + 1; + s2t.deepEqual(O, expected, 'accessor descriptor has been defined as an own accessor property'); + s2t.end(); + }); + + st.end(); + }); + + t.test('every field in Desc is absent', { skip: 'it is unclear if having no fields qualifies Desc to be a Property Descriptor' }); + + forEach([v.dataDescriptor, v.accessorDescriptor, v.mutatorDescriptor], function (getDescriptor) { + t.equal( + ES.ValidateAndApplyPropertyDescriptor(undefined, 'property key', true, getDescriptor(), getDescriptor()), + true, + 'when Desc and current are the same, early return true' + ); + }); + + t.test('current is nonconfigurable', function (st) { + // note: these must not be generic descriptors, or else the algorithm returns an early true + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.dataDescriptor()), + v.descriptors.nonConfigurable(v.dataDescriptor()) + ), + false, + 'false if Desc is configurable' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.enumerable(v.dataDescriptor()), + v.descriptors.nonEnumerable(v.dataDescriptor()) + ), + false, + 'false if Desc is Enumerable and current is not' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.nonEnumerable(v.dataDescriptor()), + v.descriptors.enumerable(v.dataDescriptor()) + ), + false, + 'false if Desc is not Enumerable and current is' + ); + + var descLackingEnumerable = v.accessorDescriptor(); + delete descLackingEnumerable['[[Enumerable]]']; + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + descLackingEnumerable, + v.descriptors.enumerable(v.accessorDescriptor()) + ), + true, + 'not false if Desc lacks Enumerable' + ); + + st.end(); + }); + + t.test('Desc and current: one is a data descriptor, one is not', { skip: !defineProperty || !getOwnPropertyDescriptor }, function (st) { + // note: Desc must be configurable if current is nonconfigurable, to hit this branch + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.accessorDescriptor()), + v.descriptors.nonConfigurable(v.dataDescriptor()) + ), + false, + 'false if current (data) is nonconfigurable' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable(v.dataDescriptor()), + v.descriptors.nonConfigurable(v.accessorDescriptor()) + ), + false, + 'false if current (not data) is nonconfigurable' + ); + + // one is data and one is not, + // // if current is data, convert to accessor + // // else convert to data + + var startsWithData = { + 'property key': 42 + }; + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + startsWithData, + 'property key', + true, + v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor())), + v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())) + ), + true, + 'operation is successful: current is data, Desc is accessor' + ); + var shouldBeAccessor = getOwnPropertyDescriptor(startsWithData, 'property key'); + st.equal(typeof shouldBeAccessor.get, 'function', 'has a getter'); + + var key = 'property key'; + var startsWithAccessor = {}; + defineProperty(startsWithAccessor, key, { + configurable: true, + enumerable: true, + get: function get() { return 42; } + }); + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + startsWithAccessor, + key, + true, + v.descriptors.enumerable(v.descriptors.configurable(v.dataDescriptor())), + v.descriptors.enumerable(v.descriptors.configurable(v.accessorDescriptor(42))) + ), + true, + 'operation is successful: current is accessor, Desc is data' + ); + var shouldBeData = getOwnPropertyDescriptor(startsWithAccessor, 'property key'); + st.deepEqual(shouldBeData, { configurable: true, enumerable: true, value: 42, writable: false }, 'is a data property'); + + st.end(); + }); + + t.test('Desc and current are both data descriptors', function (st) { + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.writable(v.dataDescriptor()), + v.descriptors.nonWritable(v.descriptors.nonConfigurable(v.dataDescriptor())) + ), + false, + 'false if frozen current and writable Desc' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.descriptors.configurable({ '[[Value]]': 42 }), + v.descriptors.nonWritable({ '[[Value]]': 7 }) + ), + false, + 'false if nonwritable current has a different value than Desc' + ); + + st.end(); + }); + + t.test('current is nonconfigurable; Desc and current are both accessor descriptors', function (st) { + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.mutatorDescriptor(), + v.descriptors.nonConfigurable(v.mutatorDescriptor()) + ), + false, + 'false if both Sets are not equal' + ); + + st.equal( + ES.ValidateAndApplyPropertyDescriptor( + undefined, + 'property key', + true, + v.accessorDescriptor(), + v.descriptors.nonConfigurable(v.accessorDescriptor()) + ), + false, + 'false if both Gets are not equal' + ); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryGetOwnProperty', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryGetOwnProperty(primitive, ''); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryGetOwnProperty({}, nonPropertyKey); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + t.equal(ES.OrdinaryGetOwnProperty({}, 'not in the object'), undefined, 'missing property yields undefined'); + t.equal(ES.OrdinaryGetOwnProperty({}, 'toString'), undefined, 'inherited non-own property yields undefined'); + + t.deepEqual( + ES.OrdinaryGetOwnProperty({ a: 1 }, 'a'), + ES.ToPropertyDescriptor({ + configurable: true, + enumerable: true, + value: 1, + writable: true + }), + 'own assigned data property yields expected descriptor' + ); + + t.deepEqual( + ES.OrdinaryGetOwnProperty(/a/, 'lastIndex'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: 0, + writable: true + }), + 'regex lastIndex yields expected descriptor' + ); + + t.deepEqual( + ES.OrdinaryGetOwnProperty([], 'length'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: 0, + writable: true + }), + 'array length yields expected descriptor' + ); + + t.deepEqual( + ES.OrdinaryGetOwnProperty(Object.prototype, 'toString'), + ES.ToPropertyDescriptor({ + configurable: true, + enumerable: false, + value: Object.prototype.toString, + writable: true + }), + 'own non-enumerable data property yields expected descriptor' + ); + + t.test('ES5+', { skip: !defineProperty.oDP }, function (st) { + var O = {}; + defineProperty(O, 'foo', { + configurable: false, + enumerable: false, + value: O, + writable: true + }); + + st.deepEqual( + ES.OrdinaryGetOwnProperty(O, 'foo'), + ES.ToPropertyDescriptor({ + configurable: false, + enumerable: false, + value: O, + writable: true + }), + 'defined own property yields expected descriptor' + ); + + st.end(); + }); + + t.end(); + }); + + test('OrdinaryDefineOwnProperty', { skip: !getOwnPropertyDescriptor }, function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.CopyDataProperties(primitive, {}, []); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.OrdinaryDefineOwnProperty({}, nonPropertyKey, v.genericDescriptor()); }, + TypeError, + 'P: ' + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryDefineOwnProperty(primitive, '', v.genericDescriptor()); }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + var O = {}; + var P = 'property key'; + var Desc = v.accessorDescriptor(); + t.equal( + ES.OrdinaryDefineOwnProperty(O, P, Desc), + true, + 'operation is successful' + ); + t.deepEqual( + getOwnPropertyDescriptor(O, P), + ES.FromPropertyDescriptor(ES.CompletePropertyDescriptor(Desc)), + 'expected property descriptor is defined' + ); + + t.end(); + }); + + test('ArrayCreate', function (t) { + forEach(v.nonIntegerNumbers.concat([-1]), function (nonIntegerNumber) { + t['throws']( + function () { ES.ArrayCreate(nonIntegerNumber); }, + TypeError, + 'length must be an integer number >= 0' + ); + }); + + t['throws']( + function () { ES.ArrayCreate(Math.pow(2, 32)); }, + RangeError, + 'length must be < 2**32' + ); + + t.deepEqual(ES.ArrayCreate(-0), [], 'length of -0 creates an empty array'); + t.deepEqual(ES.ArrayCreate(0), [], 'length of +0 creates an empty array'); + // eslint-disable-next-line no-sparse-arrays, comma-spacing + t.deepEqual(ES.ArrayCreate(1), [,], 'length of 1 creates a sparse array of length 1'); + // eslint-disable-next-line no-sparse-arrays, comma-spacing + t.deepEqual(ES.ArrayCreate(2), [,,], 'length of 2 creates a sparse array of length 2'); + + t.test('proto argument', { skip: !$setProto }, function (st) { + var fakeProto = { + push: { toString: function () { return 'not array push'; } } + }; + st.equal(ES.ArrayCreate(0, fakeProto).push, fakeProto.push, 'passing the proto argument works'); + st.end(); + }); + + t.end(); + }); + + test('ArraySetLength', function (t) { + forEach(v.primitives.concat(v.objects), function (nonArray) { + t['throws']( + function () { ES.ArraySetLength(nonArray, 0); }, + TypeError, + 'A: ' + debug(nonArray) + ' is not an Array' + ); + }); + + forEach(v.nonUndefinedPrimitives, function (primitive) { + t['throws']( + function () { ES.ArraySetLength([], primitive); }, + TypeError, + 'Desc: ' + debug(primitive) + ' is not a Property Descriptor' + ); + }); + + t.test('making length nonwritable', { skip: !getOwnPropertyDescriptor }, function (st) { + var a = []; + ES.ArraySetLength(a, { '[[Writable]]': false }); + st.deepEqual( + getOwnPropertyDescriptor(a, 'length'), + { + configurable: false, + enumerable: false, + value: 0, + writable: false + }, + 'without a value, length becomes nonwritable' + ); + st.end(); + }); + + var arr = []; + ES.ArraySetLength(arr, { '[[Value]]': 7 }); + t.equal(arr.length, 7, 'array now has a length of 7'); + + t.end(); + }); + + test('CreateHTML', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.CreateHTML('', nonString, '', ''); }, + TypeError, + 'tag: ' + debug(nonString) + ' is not a String' + ); + t['throws']( + function () { ES.CreateHTML('', '', nonString, ''); }, + TypeError, + 'attribute: ' + debug(nonString) + ' is not a String' + ); + }); + + t.equal( + ES.CreateHTML( + { toString: function () { return 'the string'; } }, + 'some HTML tag!', + '' + ), + '<some HTML tag!>the string</some HTML tag!>', + 'works with an empty string attribute value' + ); + + t.equal( + ES.CreateHTML( + { toString: function () { return 'the string'; } }, + 'some HTML tag!', + 'attr', + 'value "with quotes"' + ), + '<some HTML tag! attr="value "with quotes"">the string</some HTML tag!>', + 'works with an attribute, and a value with quotes' + ); + + t.end(); + }); + + test('GetOwnPropertyKeys', function (t) { + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.GetOwnPropertyKeys(primitive, 'String'); }, + TypeError, + 'O: ' + debug(primitive) + ' is not an Object' + ); + }); + + t['throws']( + function () { ES.GetOwnPropertyKeys({}, 'not string or symbol'); }, + TypeError, + 'Type: must be "String" or "Symbol"' + ); + + t.test('Symbols', { skip: !v.hasSymbols }, function (st) { + var O = { a: 1 }; + O[Symbol.iterator] = true; + var s = Symbol('test'); + defineProperty(O, s, { enumerable: false, value: true }); + + st.deepEqual( + ES.GetOwnPropertyKeys(O, 'Symbol'), + [Symbol.iterator, s], + 'works with Symbols, enumerable or not' + ); + + st.end(); + }); + + t.test('non-enumerable names', { skip: !defineProperty.oDP }, function (st) { + var O = { a: 1 }; + defineProperty(O, 'b', { enumerable: false, value: 2 }); + if (v.hasSymbols) { + O[Symbol.iterator] = true; + } + + st.deepEqual( + ES.GetOwnPropertyKeys(O, 'String').sort(), + ['a', 'b'].sort(), + 'works with Strings, enumerable or not' + ); + + st.end(); + }); + + t.deepEqual( + ES.GetOwnPropertyKeys({ a: 1, b: 2 }, 'String').sort(), + ['a', 'b'].sort(), + 'works with enumerable keys' + ); + + t.end(); + }); + + test('SymbolDescriptiveString', function (t) { + forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { + t['throws']( + function () { ES.SymbolDescriptiveString(nonSymbol); }, + TypeError, + debug(nonSymbol) + ' is not a Symbol' + ); + }); + + t.test('Symbols', { skip: !v.hasSymbols }, function (st) { + st.equal(ES.SymbolDescriptiveString(Symbol()), 'Symbol()', 'undefined description'); + st.equal(ES.SymbolDescriptiveString(Symbol('')), 'Symbol()', 'empty string description'); + st.equal(ES.SymbolDescriptiveString(Symbol.iterator), 'Symbol(Symbol.iterator)', 'well-known symbol'); + st.equal(ES.SymbolDescriptiveString(Symbol('foo')), 'Symbol(foo)', 'string description'); + + st.end(); + }); + + t.end(); + }); + + test('GetSubstitution', { skip: skips && skips.GetSubstitution }, function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.GetSubstitution(nonString, '', 0, [], ''); }, + TypeError, + '`matched`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', nonString, 0, [], ''); }, + TypeError, + '`str`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [], nonString); }, + TypeError, + '`replacement`: ' + debug(nonString) + ' is not a String' + ); + + if (canDistinguishSparseFromUndefined || typeof nonString !== 'undefined') { + t['throws']( + function () { ES.GetSubstitution('', '', 0, [nonString], ''); }, + TypeError, + '`captures`: ' + debug([nonString]) + ' is not an Array of strings' + ); + } + }); + + forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { + t['throws']( + function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], ''); }, + TypeError, + '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' + ); + }); + + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.GetSubstitution('', '', 0, nonArray, ''); }, + TypeError, + '`captures`: ' + debug(nonArray) + ' is not an Array' + ); + }); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], '123'), + '123', + 'returns the substitution' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '$$2$'), + '$2$', + 'supports $$, and trailing $' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$&<'), + '>abcdef<', + 'supports $&' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$`<'), + '><', + 'supports $` at position 0' + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], '>$`<'), + '>ab<', + 'supports $` at position > 0' + ); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 7, [], ">$'<"), + '><', + "supports $' at a position where there's less than `matched.length` chars left" + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], ">$'<"), + '>ghi<', + "supports $' at a position where there's more than `matched.length` chars left" + ); + + for (var i = 0; i < 100; i += 1) { + var captures = []; + captures[i] = 'test'; + if (i > 0) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i + '<'), + '>undefined<', + 'supports $' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$' + i), + '>undefined', + 'supports $' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i + '<'), + '><', + 'supports $' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$' + i), + '>', + 'supports $' + i + ' at the end of the replacement, with a capture at that index' + ); + } + if (i < 10) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i + '<'), + i === 0 ? '><' : '>undefined<', + 'supports $0' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], '>$0' + i), + i === 0 ? '>' : '>undefined', + 'supports $0' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i + '<'), + '><', + 'supports $0' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, '>$0' + i), + '>', + 'supports $0' + i + ' at the end of the replacement, with a capture at that index' + ); + } + } + + t.end(); + }); + + test('SecFromTime', function (t) { + var now = new Date(); + t.equal(ES.SecFromTime(now.getTime()), now.getUTCSeconds(), 'second from Date timestamp matches getUTCSeconds'); + t.end(); + }); + + test('MinFromTime', function (t) { + var now = new Date(); + t.equal(ES.MinFromTime(now.getTime()), now.getUTCMinutes(), 'minute from Date timestamp matches getUTCMinutes'); + t.end(); + }); + + test('HourFromTime', function (t) { + var now = new Date(); + t.equal(ES.HourFromTime(now.getTime()), now.getUTCHours(), 'hour from Date timestamp matches getUTCHours'); + t.end(); + }); + + test('msFromTime', function (t) { + var now = new Date(); + t.equal(ES.msFromTime(now.getTime()), now.getUTCMilliseconds(), 'ms from Date timestamp matches getUTCMilliseconds'); + t.end(); + }); + + var msPerSecond = 1e3; + var msPerMinute = 60 * msPerSecond; + var msPerHour = 60 * msPerMinute; + var msPerDay = 24 * msPerHour; + + test('Day', function (t) { + var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); + var add = 2.5; + var later = new Date(time + (add * msPerDay)); + + t.equal(ES.Day(later.getTime()), ES.Day(time) + Math.floor(add), 'adding 2.5 days worth of ms, gives a Day delta of 2'); + t.end(); + }); + + test('TimeWithinDay', function (t) { + var time = Date.UTC(2019, 8, 10, 2, 3, 4, 5); + var add = 2.5; + var later = new Date(time + (add * msPerDay)); + + t.equal(ES.TimeWithinDay(later.getTime()), ES.TimeWithinDay(time) + (0.5 * msPerDay), 'adding 2.5 days worth of ms, gives a TimeWithinDay delta of +0.5'); + t.end(); + }); + + test('DayFromYear', function (t) { + t.equal(ES.DayFromYear(2021) - ES.DayFromYear(2020), 366, '2021 is a leap year, has 366 days'); + t.equal(ES.DayFromYear(2020) - ES.DayFromYear(2019), 365, '2020 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2019) - ES.DayFromYear(2018), 365, '2019 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2018) - ES.DayFromYear(2017), 365, '2018 is not a leap year, has 365 days'); + t.equal(ES.DayFromYear(2017) - ES.DayFromYear(2016), 366, '2017 is a leap year, has 366 days'); + + t.end(); + }); + + test('TimeFromYear', function (t) { + for (var i = 1900; i < 2100; i += 1) { + t.equal(ES.TimeFromYear(i), Date.UTC(i, 0, 1), 'TimeFromYear matches a Date object’s year: ' + i); + } + t.end(); + }); + + test('YearFromTime', function (t) { + for (var i = 1900; i < 2100; i += 1) { + t.equal(ES.YearFromTime(Date.UTC(i, 0, 1)), i, 'YearFromTime matches a Date object’s year on 1/1: ' + i); + t.equal(ES.YearFromTime(Date.UTC(i, 10, 1)), i, 'YearFromTime matches a Date object’s year on 10/1: ' + i); + } + t.end(); + }); + + test('WeekDay', function (t) { + var now = new Date(); + var today = now.getUTCDay(); + for (var i = 0; i < 7; i += 1) { + var weekDay = ES.WeekDay(now.getTime() + (i * msPerDay)); + t.equal(weekDay, (today + i) % 7, i + ' days after today (' + today + '), WeekDay is ' + weekDay); + } + t.end(); + }); + + test('DaysInYear', function (t) { + t.equal(ES.DaysInYear(2021), 365, '2021 is not a leap year'); + t.equal(ES.DaysInYear(2020), 366, '2020 is a leap year'); + t.equal(ES.DaysInYear(2019), 365, '2019 is not a leap year'); + t.equal(ES.DaysInYear(2018), 365, '2018 is not a leap year'); + t.equal(ES.DaysInYear(2017), 365, '2017 is not a leap year'); + t.equal(ES.DaysInYear(2016), 366, '2016 is a leap year'); + + t.end(); + }); + + test('InLeapYear', function (t) { + t.equal(ES.InLeapYear(Date.UTC(2021, 0, 1)), 0, '2021 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2020, 0, 1)), 1, '2020 is a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2019, 0, 1)), 0, '2019 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2018, 0, 1)), 0, '2018 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2017, 0, 1)), 0, '2017 is not a leap year'); + t.equal(ES.InLeapYear(Date.UTC(2016, 0, 1)), 1, '2016 is a leap year'); + + t.end(); + }); + + test('DayWithinYear', function (t) { + t.equal(ES.DayWithinYear(Date.UTC(2019, 0, 1)), 0, '1/1 is the 1st day'); + t.equal(ES.DayWithinYear(Date.UTC(2019, 11, 31)), 364, '12/31 is the 365th day in a non leap year'); + t.equal(ES.DayWithinYear(Date.UTC(2016, 11, 31)), 365, '12/31 is the 366th day in a leap year'); + + t.end(); + }); + + test('MonthFromTime', function (t) { + t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 1)), 0, 'non-leap: 1/1 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 0, 31)), 0, 'non-leap: 1/31 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 1)), 1, 'non-leap: 2/1 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 28)), 1, 'non-leap: 2/28 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 1, 29)), 2, 'non-leap: 2/29 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 1)), 2, 'non-leap: 3/1 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 2, 31)), 2, 'non-leap: 3/31 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 1)), 3, 'non-leap: 4/1 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 3, 30)), 3, 'non-leap: 4/30 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 1)), 4, 'non-leap: 5/1 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 4, 31)), 4, 'non-leap: 5/31 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 1)), 5, 'non-leap: 6/1 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 5, 30)), 5, 'non-leap: 6/30 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 1)), 6, 'non-leap: 7/1 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 6, 31)), 6, 'non-leap: 7/31 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 1)), 7, 'non-leap: 8/1 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 7, 30)), 7, 'non-leap: 8/30 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 1)), 8, 'non-leap: 9/1 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 8, 30)), 8, 'non-leap: 9/30 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 1)), 9, 'non-leap: 10/1 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 9, 31)), 9, 'non-leap: 10/31 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 1)), 10, 'non-leap: 11/1 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 10, 30)), 10, 'non-leap: 11/30 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 1)), 11, 'non-leap: 12/1 gives December'); + t.equal(ES.MonthFromTime(Date.UTC(2019, 11, 31)), 11, 'non-leap: 12/31 gives December'); + + t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 1)), 0, 'leap: 1/1 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 0, 31)), 0, 'leap: 1/31 gives January'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 1)), 1, 'leap: 2/1 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 28)), 1, 'leap: 2/28 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 1, 29)), 1, 'leap: 2/29 gives February'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 1)), 2, 'leap: 3/1 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 2, 31)), 2, 'leap: 3/31 gives March'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 1)), 3, 'leap: 4/1 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 3, 30)), 3, 'leap: 4/30 gives April'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 1)), 4, 'leap: 5/1 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 4, 31)), 4, 'leap: 5/31 gives May'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 1)), 5, 'leap: 6/1 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 5, 30)), 5, 'leap: 6/30 gives June'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 1)), 6, 'leap: 7/1 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 6, 31)), 6, 'leap: 7/31 gives July'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 1)), 7, 'leap: 8/1 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 7, 30)), 7, 'leap: 8/30 gives August'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 1)), 8, 'leap: 9/1 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 8, 30)), 8, 'leap: 9/30 gives September'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 1)), 9, 'leap: 10/1 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 9, 31)), 9, 'leap: 10/31 gives October'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 1)), 10, 'leap: 11/1 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 10, 30)), 10, 'leap: 11/30 gives November'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 1)), 11, 'leap: 12/1 gives December'); + t.equal(ES.MonthFromTime(Date.UTC(2016, 11, 31)), 11, 'leap: 12/31 gives December'); + t.end(); + }); + + test('DateFromTime', function (t) { + var i; + for (i = 1; i <= 28; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 1, i)), i, '2019.02.' + i + ' is date ' + i); + } + for (i = 1; i <= 29; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2016, 1, i)), i, '2016.02.' + i + ' is date ' + i); + } + for (i = 1; i <= 30; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 8, i)), i, '2019.09.' + i + ' is date ' + i); + } + for (i = 1; i <= 31; i += 1) { + t.equal(ES.DateFromTime(Date.UTC(2019, 9, i)), i, '2019.10.' + i + ' is date ' + i); + } + t.end(); + }); + + test('MakeDay', function (t) { + var day2015 = 16687; + t.equal(ES.MakeDay(2015, 8, 9), day2015, '2015.09.09 is day 16687'); + var day2016 = day2015 + 366; // 2016 is a leap year + t.equal(ES.MakeDay(2016, 8, 9), day2016, '2015.09.09 is day 17053'); + var day2017 = day2016 + 365; + t.equal(ES.MakeDay(2017, 8, 9), day2017, '2017.09.09 is day 17418'); + var day2018 = day2017 + 365; + t.equal(ES.MakeDay(2018, 8, 9), day2018, '2018.09.09 is day 17783'); + var day2019 = day2018 + 365; + t.equal(ES.MakeDay(2019, 8, 9), day2019, '2019.09.09 is day 18148'); + t.end(); + }); + + test('MakeDate', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.MakeDate(nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `day`'); + t.ok(is(ES.MakeDate(0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); + }); + t.equal(ES.MakeDate(0, 0), 0, 'zero day and zero time is zero date'); + t.equal(ES.MakeDate(0, 123), 123, 'zero day and nonzero time is a date of the "time"'); + t.equal(ES.MakeDate(1, 0), msPerDay, 'day of 1 and zero time is a date of "ms per day"'); + t.equal(ES.MakeDate(3, 0), 3 * msPerDay, 'day of 3 and zero time is a date of thrice "ms per day"'); + t.equal(ES.MakeDate(1, 123), msPerDay + 123, 'day of 1 and nonzero time is a date of "ms per day" plus the "time"'); + t.equal(ES.MakeDate(3, 123), (3 * msPerDay) + 123, 'day of 3 and nonzero time is a date of thrice "ms per day" plus the "time"'); + + t.end(); + }); + + test('MakeTime', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.MakeTime(nonFiniteNumber, 0, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `hour`'); + t.ok(is(ES.MakeTime(0, nonFiniteNumber, 0, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `min`'); + t.ok(is(ES.MakeTime(0, 0, nonFiniteNumber, 0), NaN), debug(nonFiniteNumber) + ' is not a finite `sec`'); + t.ok(is(ES.MakeTime(0, 0, 0, nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `ms`'); + }); + + t.equal( + ES.MakeTime(1.2, 2.3, 3.4, 4.5), + (1 * msPerHour) + (2 * msPerMinute) + (3 * msPerSecond) + 4, + 'all numbers are converted to integer, multiplied by the right number of ms, and summed' + ); + + t.end(); + }); + + test('TimeClip', function (t) { + forEach(v.infinities.concat(NaN), function (nonFiniteNumber) { + t.ok(is(ES.TimeClip(nonFiniteNumber), NaN), debug(nonFiniteNumber) + ' is not a finite `time`'); + }); + t.ok(is(ES.TimeClip(8.64e15 + 1), NaN), '8.64e15 is the largest magnitude considered "finite"'); + t.ok(is(ES.TimeClip(-8.64e15 - 1), NaN), '-8.64e15 is the largest magnitude considered "finite"'); + + forEach(v.zeroes.concat([-10, 10, +new Date()]), function (time) { + t.looseEqual(ES.TimeClip(time), time, debug(time) + ' is a time of ' + debug(time)); + }); + + t.end(); + }); + + test('modulo', function (t) { + t.equal(3 % 2, 1, '+3 % 2 is +1'); + t.equal(ES.modulo(3, 2), 1, '+3 mod 2 is +1'); + + t.equal(-3 % 2, -1, '-3 % 2 is -1'); + t.equal(ES.modulo(-3, 2), 1, '-3 mod 2 is +1'); + t.end(); + }); + + test('ToDateString', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.ToDateString(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + t.equal(ES.ToDateString(NaN), 'Invalid Date', 'NaN becomes "Invalid Date"'); + var now = +new Date(); + t.equal(ES.ToDateString(now), Date(now), 'any timestamp becomes `Date(timestamp)`'); + t.end(); + }); + + test('CreateListFromArrayLike', function (t) { + forEach(v.primitives, function (nonObject) { + t['throws']( + function () { ES.CreateListFromArrayLike(nonObject); }, + TypeError, + debug(nonObject) + ' is not an Object' + ); + }); + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.CreateListFromArrayLike({}, nonArray); }, + TypeError, + debug(nonArray) + ' is not an Array' + ); + }); + + t.deepEqual( + ES.CreateListFromArrayLike({ length: 2, 0: 'a', 1: 'b', 2: 'c' }), + ['a', 'b'], + 'arraylike stops at the length' + ); + + t.end(); + }); + + test('GetPrototypeFromConstructor', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.GetPrototypeFromConstructor(nonFunction, '%Array%'); }, + TypeError, + debug(nonFunction) + ' is not a constructor' + ); + }); + + forEach(arrowFns, function (arrowFn) { + t['throws']( + function () { ES.GetPrototypeFromConstructor(arrowFn, '%Array%'); }, + TypeError, + debug(arrowFn) + ' is not a constructor' + ); + }); + + var f = function () {}; + t.equal( + ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), + f.prototype, + 'function with normal `prototype` property returns it' + ); + forEach([true, 'foo', 42], function (truthyPrimitive) { + f.prototype = truthyPrimitive; + t.equal( + ES.GetPrototypeFromConstructor(f, '%Array.prototype%'), + Array.prototype, + 'function with non-object `prototype` property (' + debug(truthyPrimitive) + ') returns default intrinsic' + ); + }); + + t.end(); + }); + + var getNamelessFunction = function () { + var f = Object(function () {}); + try { + delete f.name; + } catch (e) { /**/ } + return f; + }; + + test('SetFunctionName', function (t) { + t.test('non-extensible function', { skip: !Object.preventExtensions }, function (st) { + var f = getNamelessFunction(); + Object.preventExtensions(f); + st['throws']( + function () { ES.SetFunctionName(f, ''); }, + TypeError, + 'throws on a non-extensible function' + ); + st.end(); + }); + + t.test('has an own name property', { skip: !functionsHaveNames }, function (st) { + st['throws']( + function () { ES.SetFunctionName(function g() {}, ''); }, + TypeError, + 'throws if function has an own `name` property' + ); + st.end(); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + t['throws']( + function () { ES.SetFunctionName(getNamelessFunction(), nonPropertyKey); }, + TypeError, + debug(nonPropertyKey) + ' is not a Symbol or String' + ); + }); + + t.test('symbols', { skip: !v.hasSymbols || has(getNamelessFunction(), 'name') }, function (st) { + var pairs = [ + [Symbol(), ''], + [Symbol(undefined), ''], + [Symbol(null), '[null]'], + [Symbol(''), getInferredName ? '[]' : ''], + [Symbol.iterator, '[Symbol.iterator]'], + [Symbol('foo'), '[foo]'] + ]; + forEach(pairs, function (pair) { + var sym = pair[0]; + var desc = pair[1]; + var f = getNamelessFunction(); + ES.SetFunctionName(f, sym); + st.equal(f.name, desc, debug(sym) + ' yields a name of ' + debug(desc)); + }); + + st.end(); + }); + + var f = getNamelessFunction(); + t.test('when names are configurable', { skip: !functionsHaveConfigurableNames || has(f, 'name') }, function (st) { + // without prefix + st.notEqual(f.name, 'foo', 'precondition'); + ES.SetFunctionName(f, 'foo'); + st.equal(f.name, 'foo', 'function name is set without a prefix'); + + // with prefix + var g = getNamelessFunction(); + st.notEqual(g.name, 'pre- foo', 'precondition'); + ES.SetFunctionName(g, 'foo', 'pre-'); + st.equal(g.name, 'pre- foo', 'function name is set with a prefix'); + + st.end(); + }); + + t.end(); + }); }; -var es2016 = function ES2016(ES, ops, expectedMissing) { - es2015(ES, ops, expectedMissing); +var es2016 = function ES2016(ES, ops, expectedMissing, skips) { + es2015(ES, ops, expectedMissing, skips); test('SameValueNonNumber', function (t) { var willThrow = [ @@ -1583,10 +3514,86 @@ var es2016 = function ES2016(ES, ops, expectedMissing) { t.end(); }); + + test('IterableToArrayLike', { skip: skips && skips.IterableToArrayLike }, function (t) { + t.test('custom iterables', { skip: !v.hasSymbols }, function (st) { + var O = {}; + O[Symbol.iterator] = function () { + var i = -1; + return { + next: function () { + i += 1; + return { + done: i >= 5, + value: i + }; + } + }; + }; + st.deepEqual( + ES.IterableToArrayLike(O), + [0, 1, 2, 3, 4], + 'Symbol.iterator method is called and values collected' + ); + + st.end(); + }); + + t.deepEqual(ES.IterableToArrayLike('abc'), ['a', 'b', 'c'], 'a string of code units spreads'); + t.deepEqual(ES.IterableToArrayLike('💩'), ['💩'], 'a string of code points spreads'); + t.deepEqual(ES.IterableToArrayLike('a💩c'), ['a', '💩', 'c'], 'a string of code points and units spreads'); + + var arr = [1, 2, 3]; + t.deepEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a similar array'); + t.notEqual(ES.IterableToArrayLike(arr), arr, 'an array becomes a different, but similar, array'); + + var O = {}; + t.equal(ES.IterableToArrayLike(O), O, 'a non-iterable non-array non-string object is returned directly'); + + t.end(); + }); + + test('OrdinaryGetPrototypeOf', function (t) { + t.test('values', { skip: !$getProto }, function (st) { + st.equal(ES.OrdinaryGetPrototypeOf([]), Array.prototype, 'array [[Prototype]] is Array.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf({}), Object.prototype, 'object [[Prototype]] is Object.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(/a/g), RegExp.prototype, 'regex [[Prototype]] is RegExp.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object('')), String.prototype, 'boxed string [[Prototype]] is String.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object(42)), Number.prototype, 'boxed number [[Prototype]] is Number.prototype'); + st.equal(ES.OrdinaryGetPrototypeOf(Object(true)), Boolean.prototype, 'boxed boolean [[Prototype]] is Boolean.prototype'); + if (v.hasSymbols) { + st.equal(ES.OrdinaryGetPrototypeOf(Object(Symbol.iterator)), Symbol.prototype, 'boxed symbol [[Prototype]] is Symbol.prototype'); + } + st.end(); + }); + + forEach(v.primitives, function (primitive) { + t['throws']( + function () { ES.OrdinaryGetPrototypeOf(primitive); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + t.end(); + }); + + test('OrdinarySetPrototypeOf', { skip: !$getProto || !$setProto }, function (t) { + var a = []; + var proto = {}; + + t.equal(ES.OrdinaryGetPrototypeOf(a), Array.prototype, 'precondition'); + t.equal(ES.OrdinarySetPrototypeOf(a, proto), true, 'setting prototype is successful'); + t.equal(ES.OrdinaryGetPrototypeOf(a), proto, 'postcondition'); + + t.end(); + }); }; -var es2017 = function E2017(ES, ops, expectedMissing) { - es2016(ES, ops, expectedMissing); +var es2017 = function ES2017(ES, ops, expectedMissing, skips) { + es2016(ES, ops, expectedMissing, assign({}, skips, { + EnumerableOwnNames: true, + IterableToArrayLike: true + })); test('ToIndex', function (t) { t.ok(is(ES.ToIndex(), 0), 'no value gives 0'); @@ -1601,10 +3608,586 @@ var es2017 = function E2017(ES, ops, expectedMissing) { t.end(); }); + + test('EnumerableOwnProperties', { skip: skips && skips.EnumerableOwnProperties }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { + return ES.EnumerableOwnProperties(O, 'key'); + }); + + t.deepEqual( + ES.EnumerableOwnProperties(obj, 'value'), + [obj.own], + 'returns enumerable own values' + ); + + t.deepEqual( + ES.EnumerableOwnProperties(obj, 'key+value'), + [['own', obj.own]], + 'returns enumerable own entries' + ); + + t.end(); + }); + + test('IterableToList', function (t) { + var customIterator = function () { + var i = -1; + return { + next: function () { + i += 1; + return { + done: i >= 5, + value: i + }; + } + }; + }; + + t.deepEqual( + ES.IterableToList({}, customIterator), + [0, 1, 2, 3, 4], + 'iterator method is called and values collected' + ); + + t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { + st.deepEqual(ES.IterableToList('abc', String.prototype[Symbol.iterator]), ['a', 'b', 'c'], 'a string of code units spreads'); + st.deepEqual(ES.IterableToList('☃', String.prototype[Symbol.iterator]), ['☃'], 'a string of code points spreads'); + + var arr = [1, 2, 3]; + st.deepEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a similar array'); + st.notEqual(ES.IterableToList(arr, arr[Symbol.iterator]), arr, 'an array becomes a different, but similar, array'); + + st.end(); + }); + + t['throws']( + function () { ES.IterableToList({}, void 0); }, + TypeError, + 'non-function iterator method' + ); + + t.end(); + }); +}; + +var es2018 = function ES2018(ES, ops, expectedMissing, skips) { + es2017(ES, ops, expectedMissing, assign({}, skips, { + EnumerableOwnProperties: true, + GetSubstitution: true, + IsPropertyDescriptor: true + })); + + test('thisSymbolValue', function (t) { + forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) { + t['throws']( + function () { ES.thisSymbolValue(nonSymbol); }, + v.hasSymbols ? TypeError : SyntaxError, + debug(nonSymbol) + ' is not a Symbol' + ); + }); + + t.test('no native Symbols', { skip: v.hasSymbols }, function (st) { + forEach(v.objects.concat(v.primitives), function (value) { + st['throws']( + function () { ES.thisSymbolValue(value); }, + SyntaxError, + 'Symbols are not supported' + ); + }); + st.end(); + }); + + t.test('symbol values', { skip: !v.hasSymbols }, function (st) { + forEach(v.symbols, function (symbol) { + st.equal(ES.thisSymbolValue(symbol), symbol, 'Symbol value of ' + debug(symbol) + ' is same symbol'); + + st.equal( + ES.thisSymbolValue(Object(symbol)), + symbol, + 'Symbol value of ' + debug(Object(symbol)) + ' is ' + debug(symbol) + ); + }); + + st.end(); + }); + + t.end(); + }); + + test('IsStringPrefix', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.IsStringPrefix(nonString, 'a'); }, + TypeError, + 'first arg: ' + debug(nonString) + ' is not a string' + ); + t['throws']( + function () { ES.IsStringPrefix('a', nonString); }, + TypeError, + 'second arg: ' + debug(nonString) + ' is not a string' + ); + }); + + forEach(v.strings, function (string) { + t.equal(ES.IsStringPrefix(string, string), true, debug(string) + ' is a prefix of itself'); + + t.equal(ES.IsStringPrefix('', string), true, 'the empty string is a prefix of everything'); + }); + + t.equal(ES.IsStringPrefix('abc', 'abcd'), true, '"abc" is a prefix of "abcd"'); + t.equal(ES.IsStringPrefix('abcd', 'abc'), false, '"abcd" is not a prefix of "abc"'); + + t.equal(ES.IsStringPrefix('a', 'bc'), false, '"a" is not a prefix of "bc"'); + + t.end(); + }); + + test('NumberToString', function (t) { + forEach(v.nonNumbers, function (nonNumber) { + t['throws']( + function () { ES.NumberToString(nonNumber); }, + TypeError, + debug(nonNumber) + ' is not a Number' + ); + }); + + forEach(v.numbers, function (number) { + t.equal(ES.NumberToString(number), String(number), debug(number) + ' stringifies to ' + number); + }); + + t.end(); + }); + + test('CopyDataProperties', function (t) { + t.test('first argument: target', function (st) { + forEach(v.primitives, function (primitive) { + st['throws']( + function () { ES.CopyDataProperties(primitive, {}, []); }, + TypeError, + debug(primitive) + ' is not an Object' + ); + }); + st.end(); + }); + + t.test('second argument: source', function (st) { + var frozenTarget = Object.freeze ? Object.freeze({}) : {}; + forEach(v.nullPrimitives, function (nullish) { + st.equal( + ES.CopyDataProperties(frozenTarget, nullish, []), + frozenTarget, + debug(nullish) + ' "source" yields identical, unmodified target' + ); + }); + + forEach(v.nonNullPrimitives, function (objectCoercible) { + var target = {}; + var result = ES.CopyDataProperties(target, objectCoercible, []); + st.equal(result, target, 'result === target'); + st.deepEqual(keys(result), keys(Object(objectCoercible)), 'target ends up with keys of ' + debug(objectCoercible)); + }); + + st.test('enumerable accessor property', { skip: !defineProperty.oDP }, function (s2t) { + var target = {}; + var source = {}; + defineProperty(source, 'a', { + enumerable: true, + get: function () { return 42; } + }); + var result = ES.CopyDataProperties(target, source, []); + s2t.equal(result, target, 'result === target'); + s2t.deepEqual(result, { a: 42 }, 'target ends up with enumerable accessor of source'); + s2t.end(); + }); + + st.end(); + }); + + t.test('third argument: excludedItems', function (st) { + forEach(v.objects.concat(v.primitives), function (nonArray) { + st['throws']( + function () { ES.CopyDataProperties({}, {}, nonArray); }, + TypeError, + debug(nonArray) + ' is not an Array' + ); + }); + + forEach(v.nonPropertyKeys, function (nonPropertyKey) { + st['throws']( + function () { ES.CopyDataProperties({}, {}, [nonPropertyKey]); }, + TypeError, + debug(nonPropertyKey) + ' is not a Property Key' + ); + }); + + var result = ES.CopyDataProperties({}, { a: 1, b: 2, c: 3 }, ['b']); + st.deepEqual(keys(result).sort(), ['a', 'c'].sort(), 'excluded string keys are excluded'); + + st.test('excluding symbols', { skip: !v.hasSymbols }, function (s2t) { + var source = {}; + forEach(v.symbols, function (symbol) { + source[symbol] = true; + }); + + var includedSymbols = v.symbols.slice(1); + var excludedSymbols = v.symbols.slice(0, 1); + var target = ES.CopyDataProperties({}, source, excludedSymbols); + + forEach(includedSymbols, function (symbol) { + s2t.equal(has(target, symbol), true, debug(symbol) + ' is included'); + }); + + forEach(excludedSymbols, function (symbol) { + s2t.equal(has(target, symbol), false, debug(symbol) + ' is excluded'); + }); + + s2t.end(); + }); + + st.end(); + }); + + t.end(); + }); + + test('PromiseResolve', function (t) { + t.test('Promises unsupported', { skip: typeof Promise === 'function' }, function (st) { + st['throws']( + function () { ES.PromiseResolve(); }, + SyntaxError, + 'Promises are not supported' + ); + st.end(); + }); + + t.test('Promises supported', { skip: typeof Promise !== 'function' }, function (st) { + st.plan(2); + + var a = {}; + var b = {}; + var fulfilled = Promise.resolve(a); + var rejected = Promise.reject(b); + + ES.PromiseResolve(Promise, fulfilled).then(function (x) { + st.equal(x, a, 'fulfilled promise resolves to fulfilled'); + }); + + ES.PromiseResolve(Promise, rejected)['catch'](function (e) { + st.equal(e, b, 'rejected promise resolves to rejected'); + }); + }); + + t.end(); + }); + + test('EnumerableOwnPropertyNames', { skip: skips && skips.EnumerableOwnPropertyNames }, function (t) { + var obj = testEnumerableOwnNames(t, function (O) { + return ES.EnumerableOwnPropertyNames(O, 'key'); + }); + + t.deepEqual( + ES.EnumerableOwnPropertyNames(obj, 'value'), + [obj.own], + 'returns enumerable own values' + ); + + t.deepEqual( + ES.EnumerableOwnPropertyNames(obj, 'key+value'), + [['own', obj.own]], + 'returns enumerable own entries' + ); + + t.end(); + }); + + test('IsPromise', { skip: typeof Promise !== 'function' }, function (t) { + forEach(v.objects.concat(v.primitives), function (nonPromise) { + t.equal(ES.IsPromise(nonPromise), false, debug(nonPromise) + ' is not a Promise'); + }); + + var thenable = { then: Promise.prototype.then }; + t.equal(ES.IsPromise(thenable), false, 'generic thenable is not a Promise'); + + t.equal(ES.IsPromise(Promise.resolve()), true, 'Promise is a Promise'); + + t.end(); + }); + + test('GetSubstitution (ES2018+)', function (t) { + forEach(v.nonStrings, function (nonString) { + t['throws']( + function () { ES.GetSubstitution(nonString, '', 0, [], undefined, ''); }, + TypeError, + '`matched`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', nonString, 0, [], undefined, ''); }, + TypeError, + '`str`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [], undefined, nonString); }, + TypeError, + '`replacement`: ' + debug(nonString) + ' is not a String' + ); + + t['throws']( + function () { ES.GetSubstitution('', '', 0, [nonString], undefined, ''); }, + TypeError, + '`captures`: ' + debug([nonString]) + ' is not an Array of strings' + ); + }); + + forEach(v.nonIntegerNumbers.concat([-1, -42, -Infinity]), function (nonNonNegativeInteger) { + t['throws']( + function () { ES.GetSubstitution('', '', nonNonNegativeInteger, [], undefined, ''); }, + TypeError, + '`position`: ' + debug(nonNonNegativeInteger) + ' is not a non-negative integer' + ); + }); + + forEach(v.nonArrays, function (nonArray) { + t['throws']( + function () { ES.GetSubstitution('', '', 0, nonArray, undefined, ''); }, + TypeError, + '`captures`: ' + debug(nonArray) + ' is not an Array' + ); + }); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '123'), + '123', + 'returns the substitution' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '$$2$'), + '$2$', + 'supports $$, and trailing $' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$&<'), + '>abcdef<', + 'supports $&' + ); + + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$`<'), + '><', + 'supports $` at position 0' + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, '>$`<'), + '>ab<', + 'supports $` at position > 0' + ); + + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 7, [], undefined, ">$'<"), + '><', + "supports $' at a position where there's less than `matched.length` chars left" + ); + t.equal( + ES.GetSubstitution('def', 'abcdefghi', 3, [], undefined, ">$'<"), + '>ghi<', + "supports $' at a position where there's more than `matched.length` chars left" + ); + + for (var i = 0; i < 100; i += 1) { + var captures = []; + captures[i] = 'test'; + if (i > 0) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i + '<'), + '>undefined<', + 'supports $' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$' + i), + '>undefined', + 'supports $' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i + '<'), + '><', + 'supports $' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$' + i), + '>', + 'supports $' + i + ' at the end of the replacement, with a capture at that index' + ); + } + if (i < 10) { + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i + '<'), + i === 0 ? '><' : '>undefined<', + 'supports $0' + i + ' with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, [], undefined, '>$0' + i), + i === 0 ? '>' : '>undefined', + 'supports $0' + i + ' at the end of the replacement, with no captures' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i + '<'), + '><', + 'supports $0' + i + ' with a capture at that index' + ); + t.equal( + ES.GetSubstitution('abcdef', 'abcdefghi', 0, captures, undefined, '>$0' + i), + '>', + 'supports $0' + i + ' at the end of the replacement, with a capture at that index' + ); + } + } + + t.end(); + }); + + test('DateString', function (t) { + forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { + t['throws']( + function () { ES.DateString(nonNumberOrNaN); }, + TypeError, + debug(nonNumberOrNaN) + ' is not a non-NaN Number' + ); + }); + + t.equal(ES.DateString(Date.UTC(2019, 8, 10, 7, 8, 9)), 'Tue Sep 10 2019'); + t.equal(ES.DateString(Date.UTC(2016, 1, 29, 7, 8, 9)), 'Mon Feb 29 2016'); // leap day + t.end(); + }); + + test('TimeString', function (t) { + forEach(v.nonNumbers.concat(NaN), function (nonNumberOrNaN) { + t['throws']( + function () { ES.TimeString(nonNumberOrNaN); }, + TypeError, + debug(nonNumberOrNaN) + ' is not a non-NaN Number' + ); + }); + + var tv = Date.UTC(2019, 8, 10, 7, 8, 9); + t.equal(ES.TimeString(tv), '07:08:09 GMT'); + t.end(); + }); +}; + +var es2019 = function ES2018(ES, ops, expectedMissing, skips) { + es2018(ES, ops, expectedMissing, assign({}, skips, { + })); + + test('AddEntriesFromIterable', function (t) { + t['throws']( + function () { ES.AddEntriesFromIterable({}, undefined, function () {}); }, + TypeError, + 'iterable must not be undefined' + ); + t['throws']( + function () { ES.AddEntriesFromIterable({}, null, function () {}); }, + TypeError, + 'iterable must not be null' + ); + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + function () { ES.AddEntriesFromIterable({}, {}, nonFunction); }, + TypeError, + debug(nonFunction) + ' is not a function' + ); + }); + + t.test('Symbol support', { skip: !v.hasSymbols }, function (st) { + st.plan(4); + + var O = {}; + st.equal(ES.AddEntriesFromIterable(O, [], function () {}), O, 'returns the target'); + + var adder = function (key, value) { + st.equal(this, O, 'adder gets proper receiver'); + st.equal(key, 0, 'k is key'); + st.equal(value, 'a', 'v is value'); + }; + ES.AddEntriesFromIterable(O, ['a'].entries(), adder); + + st.end(); + }); + + t.end(); + }); + + test('FlattenIntoArray', function (t) { + t.test('no mapper function', function (st) { + var testDepth = function testDepth(tt, depth, expected) { + var a = []; + var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays + ES.FlattenIntoArray(a, o, o.length, 0, depth); + tt.deepEqual(a, expected, 'depth: ' + depth); + }; + + testDepth(st, 1, [1, 2, [3], 4, [[[5]]]]); + testDepth(st, 2, [1, 2, 3, 4, [[5]]]); + testDepth(st, 3, [1, 2, 3, 4, [5]]); + testDepth(st, 4, [1, 2, 3, 4, 5]); + testDepth(st, Infinity, [1, 2, 3, 4, 5]); + st.end(); + }); + + t.test('mapper function', function (st) { + var testMapper = function testMapper(tt, mapper, expected, thisArg) { + var a = []; + var o = [[1], 2, , [[3]], [], 4, [[[[5]]]]]; // eslint-disable-line no-sparse-arrays + ES.FlattenIntoArray(a, o, o.length, 0, 1, mapper, thisArg); + tt.deepEqual(a, expected); + }; + + var double = function double(x) { + return typeof x === 'number' ? 2 * x : x; + }; + testMapper( + st, + double, + [1, 4, [3], 8, [[[5]]]] + ); + var receiver = hasStrictMode ? 42 : Object(42); + testMapper( + st, + function (x) { return [this, double(x)]; }, + [receiver, [1], receiver, 4, receiver, [[3]], receiver, [], receiver, 8, receiver, [[[[5]]]]], + 42 + ); + st.end(); + }); + + t.end(); + }); + + test('TrimString', function (t) { + t.test('non-object string', function (st) { + forEach(v.nullPrimitives, function (nullish) { + st['throws']( + function () { ES.TrimString(nullish); }, + debug(nullish) + ' is not an Object' + ); + }); + st.end(); + }); + + var string = ' \n abc \n '; + t.equal(ES.TrimString(string, 'start'), string.slice(string.indexOf('a'))); + t.equal(ES.TrimString(string, 'end'), string.slice(0, string.lastIndexOf('c') + 1)); + t.equal(ES.TrimString(string, 'start+end'), string.slice(string.indexOf('a'), string.lastIndexOf('c') + 1)); + + t.end(); + }); }; module.exports = { es2015: es2015, es2016: es2016, - es2017: es2017 + es2017: es2017, + es2018: es2018, + es2019: es2019 }; |