node/test/addons/make-callback/test.js
Ben Noordhuis 3a091d29bf test: add node::MakeCallback() test coverage
PR-URL: https://github.com/nodejs/node/pull/3478
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
2015-10-23 18:43:06 +02:00

62 lines
1.6 KiB
JavaScript

'use strict';
const common = require('../../common');
const assert = require('assert');
const vm = require('vm');
const binding = require('./build/Release/binding');
const makeCallback = binding.makeCallback;
assert.strictEqual(42, makeCallback(process, common.mustCall(function() {
assert.strictEqual(0, arguments.length);
assert.strictEqual(this, process);
return 42;
})));
assert.strictEqual(42, makeCallback(process, common.mustCall(function(x) {
assert.strictEqual(1, arguments.length);
assert.strictEqual(this, process);
assert.strictEqual(x, 1337);
return 42;
}), 1337));
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(42, makeCallback(recv, 'one'));
assert.strictEqual(42, makeCallback(recv, 'two', 1337));
// Check that the callback is made in the context of the receiver.
const target = vm.runInNewContext(`
(function($Object) {
if (Object === $Object)
throw Error('bad');
return Object;
})
`);
assert.notStrictEqual(Object, makeCallback(process, target, Object));
// Runs in inner context.
const forward = vm.runInNewContext(`
(function(forward) {
return forward(Object);
})
`);
// Runs in outer context.
const endpoint = function($Object) {
if (Object === $Object)
throw Error('bad');
return Object;
};
assert.strictEqual(Object, makeCallback(process, forward, endpoint));