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'use strict';
const common = require('../../common');
const assert = require('assert');
const vm = require('vm');
const binding = require(`./build/${common.buildType}/binding`);
const makeCallback = binding.makeCallback;
function myMultiArgFunc(arg1, arg2, arg3) {
assert.strictEqual(arg1, 1);
assert.strictEqual(arg2, 2);
assert.strictEqual(arg3, 3);
return 42;
}
assert.strictEqual(makeCallback(process, common.mustCall(function() {
assert.strictEqual(arguments.length, 0);
assert.strictEqual(this, process);
return 42;
})), 42);
assert.strictEqual(makeCallback(process, common.mustCall(function(x) {
assert.strictEqual(arguments.length, 1);
assert.strictEqual(this, process);
assert.strictEqual(x, 1337);
return 42;
}), 1337), 42);
assert.strictEqual(makeCallback(this,
common.mustCall(myMultiArgFunc), 1, 2, 3), 42);
// TODO(node-api): napi_make_callback needs to support
// strings passed for the func argument
/*
const recv = {
one: common.mustCall(function() {
assert.strictEqual(0, arguments.length);
assert.strictEqual(this, recv);
return 42;
}),
two: common.mustCall(function(x) {
assert.strictEqual(1, arguments.length);
assert.strictEqual(this, recv);
assert.strictEqual(x, 1337);
return 42;
}),
};
assert.strictEqual(makeCallback(recv, 'one'), 42);
assert.strictEqual(makeCallback(recv, 'two', 1337), 42);
// Check that callbacks on a receiver from a different context works.
const foreignObject = vm.runInNewContext('({ fortytwo() { return 42; } })');
assert.strictEqual(makeCallback(foreignObject, 'fortytwo'), 42);
*/
// Check that the callback is made in the context of the receiver.
const target = vm.runInNewContext(`
(function($Object) {
if (Object === $Object)
throw new Error('bad');
return Object;
})
`);
assert.notStrictEqual(makeCallback(process, target, Object), Object);
// Runs in inner context.
const forward = vm.runInNewContext(`
(function(forward) {
return forward(Object);
})
`);
// Runs in outer context.
function endpoint($Object) {
if (Object === $Object)
throw new Error('bad');
return Object;
}
assert.strictEqual(makeCallback(process, forward, endpoint), Object);
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