| // Copyright 2014 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. |
| |
| // Flags: --expose-debug-as debug --harmony-promises |
| // Test the mirror object for promises. |
| |
| function MirrorRefCache(json_refs) { |
| var tmp = eval('(' + json_refs + ')'); |
| this.refs_ = []; |
| for (var i = 0; i < tmp.length; i++) { |
| this.refs_[tmp[i].handle] = tmp[i]; |
| } |
| } |
| |
| MirrorRefCache.prototype.lookup = function(handle) { |
| return this.refs_[handle]; |
| } |
| |
| function testPromiseMirror(promise, status) { |
| // Create mirror and JSON representation. |
| var mirror = debug.MakeMirror(promise); |
| var serializer = debug.MakeMirrorSerializer(); |
| var json = JSON.stringify(serializer.serializeValue(mirror)); |
| var refs = new MirrorRefCache( |
| JSON.stringify(serializer.serializeReferencedObjects())); |
| |
| // Check the mirror hierachy. |
| assertTrue(mirror instanceof debug.Mirror); |
| assertTrue(mirror instanceof debug.ValueMirror); |
| assertTrue(mirror instanceof debug.ObjectMirror); |
| assertTrue(mirror instanceof debug.PromiseMirror); |
| |
| // Check the mirror properties. |
| assertEquals(status, mirror.status()); |
| assertTrue(mirror.isPromise()); |
| assertEquals('promise', mirror.type()); |
| assertFalse(mirror.isPrimitive()); |
| assertEquals("Object", mirror.className()); |
| assertEquals("#<Promise>", mirror.toText()); |
| assertSame(promise, mirror.value()); |
| |
| // Parse JSON representation and check. |
| var fromJSON = eval('(' + json + ')'); |
| assertEquals('promise', fromJSON.type); |
| assertEquals('Object', fromJSON.className); |
| assertEquals('function', refs.lookup(fromJSON.constructorFunction.ref).type); |
| assertEquals('Promise', refs.lookup(fromJSON.constructorFunction.ref).name); |
| assertEquals(status, fromJSON.status); |
| |
| } |
| |
| // Test a number of different promises. |
| var resolved = new Promise(function(resolve, reject) { resolve() }); |
| var rejected = new Promise(function(resolve, reject) { reject() }); |
| var pending = new Promise(function(resolve, reject) {}); |
| |
| testPromiseMirror(resolved, "resolved"); |
| testPromiseMirror(rejected, "rejected"); |
| testPromiseMirror(pending, "pending"); |