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'use strict';
var test = require('tape');
var debug = require('object-inspect');
var forEach = require('foreach');
var has = require('has');
var v = require('./values');
var getSymbolDescription = require('../../helpers/getSymbolDescription');
var getInferredName = require('../../helpers/getInferredName');
test('getSymbolDescription', function (t) {
t.test('no symbols', { skip: v.hasSymbols }, function (st) {
st['throws'](
getSymbolDescription,
SyntaxError,
'requires Symbol support'
);
st.end();
});
forEach(v.nonSymbolPrimitives.concat(v.objects), function (nonSymbol) {
t['throws'](
function () { getSymbolDescription(nonSymbol); },
v.hasSymbols ? TypeError : SyntaxError,
debug(nonSymbol) + ' is not a Symbol'
);
});
t.test('with symbols', { skip: !v.hasSymbols }, function (st) {
forEach(
[
[Symbol(), undefined],
[Symbol(undefined), undefined],
[Symbol(null), 'null'],
[Symbol.iterator, 'Symbol.iterator'],
[Symbol('foo'), 'foo']
],
function (pair) {
var sym = pair[0];
var desc = pair[1];
st.equal(getSymbolDescription(sym), desc, debug(sym) + ' description is ' + debug(desc));
}
);
st.test('only possible when inference or native `Symbol.prototype.description` is supported', {
skip: !getInferredName && !has(Symbol.prototype, 'description')
}, function (s2t) {
s2t.equal(getSymbolDescription(Symbol('')), '', 'Symbol("") description is ""');
s2t.end();
});
st.test('only possible when global symbols are supported', {
skip: !has(Symbol, 'for') || !has(Symbol, 'keyFor')
}, function (s2t) {
// eslint-disable-next-line no-restricted-properties
s2t.equal(getSymbolDescription(Symbol['for']('')), '', 'Symbol.for("") description is ""');
s2t.end();
});
st.end();
});
t.end();
});
|
