5eb7ce9040
R=yangguo@chromium.org Review URL: https://codereview.chromium.org/345053002 git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21898 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
91 lines
3.5 KiB
JavaScript
91 lines
3.5 KiB
JavaScript
// 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
|
|
// 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, value) {
|
|
// 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());
|
|
assertTrue(mirror.promiseValue() instanceof debug.Mirror);
|
|
assertEquals(value, mirror.promiseValue().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);
|
|
assertEquals(value, refs.lookup(fromJSON.promiseValue.ref).value);
|
|
}
|
|
|
|
// 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", undefined);
|
|
testPromiseMirror(rejected, "rejected", undefined);
|
|
testPromiseMirror(pending, "pending", undefined);
|
|
|
|
var resolvedv = new Promise(function(resolve, reject) { resolve('resolve') });
|
|
var rejectedv = new Promise(function(resolve, reject) { reject('reject') });
|
|
var thrownv = new Promise(function(resolve, reject) { throw 'throw' });
|
|
|
|
testPromiseMirror(resolvedv, "resolved", 'resolve');
|
|
testPromiseMirror(rejectedv, "rejected", 'reject');
|
|
testPromiseMirror(thrownv, "rejected", 'throw');
|
|
|
|
// Test internal properties of different promises.
|
|
var m1 = debug.MakeMirror(new Promise(
|
|
function(resolve, reject) { resolve(1) }));
|
|
var ip = m1.internalProperties();
|
|
assertEquals(2, ip.length);
|
|
assertEquals("[[PromiseStatus]]", ip[0].name());
|
|
assertEquals("[[PromiseValue]]", ip[1].name());
|
|
assertEquals("resolved", ip[0].value().value());
|
|
assertEquals(1, ip[1].value().value());
|
|
|
|
var m2 = debug.MakeMirror(new Promise(function(resolve, reject) { reject(2) }));
|
|
ip = m2.internalProperties();
|
|
assertEquals("rejected", ip[0].value().value());
|
|
assertEquals(2, ip[1].value().value());
|
|
|
|
var m3 = debug.MakeMirror(new Promise(function(resolve, reject) { }));
|
|
ip = m3.internalProperties();
|
|
assertEquals("pending", ip[0].value().value());
|
|
assertEquals("undefined", typeof(ip[1].value().value()));
|