v8/test/cctest/test-extra.js
domenic d346834fdc Implement V8 extras utils object
This adds a utils object meant specifically for V8 extras, presenting a limited
API surface for doing things that would otherwise require %-functions.

BUG=v8:4276
LOG=Y
R=jochen@chromium.org,yangguo@chromium.org

Review URL: https://codereview.chromium.org/1343113003

Cr-Commit-Position: refs/heads/master@{#30773}
2015-09-16 21:00:58 +00:00

55 lines
1.7 KiB
JavaScript

// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
(function (global, binding, v8) {
'use strict';
binding.testExtraShouldReturnFive = function() {
return 5;
};
binding.testExtraShouldCallToRuntime = function() {
return binding.runtime(3);
};
// Exercise all of the extras utils:
// - v8.createPrivateSymbol
// - v8.simpleBind, v8.uncurryThis
// - v8.InternalPackedArray
// - v8.createPromise, v8.resolvePromise, v8.rejectPromise
const Object = global.Object;
const hasOwn = v8.uncurryThis(Object.prototype.hasOwnProperty);
const Function = global.Function;
const call = v8.uncurryThis(Function.prototype.call);
const apply = v8.uncurryThis(Function.prototype.apply);
const Promise = global.Promise;
const Promise_resolve = v8.simpleBind(Promise.resolve, Promise);
binding.testExtraCanUseUtils = function() {
const fulfilledPromise = v8.createPromise();
v8.resolvePromise(
fulfilledPromise,
hasOwn({ test: 'test' }, 'test') ? 1 : -1
);
const fulfilledPromise2 = Promise_resolve(call(function (arg1) {
return (this.prop === arg1 && arg1 === 'value') ? 2 : -1;
}, { prop: 'value' }, 'value'));
const rejectedPromise = v8.createPromise();
v8.rejectPromise(rejectedPromise, apply(function (arg1, arg2) {
return (arg1 === arg2 && arg2 === 'x') ? 3 : -1;
}, null, new v8.InternalPackedArray('x', 'x')));
return {
privateSymbol: v8.createPrivateSymbol('sym'),
fulfilledPromise, // should be fulfilled with 1
fulfilledPromise2, // should be fulfilled with 2
rejectedPromise // should be rejected with 3
};
};
})