Upstreaming browser/ui/uikit_ui_util from iOS.
[chromium-blink-merge.git] / extensions / test / data / unit_test_environment_specific_bindings.js
blob2fbcc3e09be09f5543e126ded5d20781491f7010
1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 var sendRequestNatives = requireNative('sendRequest');
7 function registerHooks(api) {
8   var chromeTest = api.compiledApi;
9   var apiFunctions = api.apiFunctions;
11   apiFunctions.setHandleRequest('notifyPass', function() {
12     requireAsync('testNatives').then(function(natives) {
13       natives.NotifyPass();
14     });
15   });
17   apiFunctions.setHandleRequest('notifyFail', function(message) {
18     requireAsync('testNatives').then(function(natives) {
19       natives.NotifyFail(message);
20     });
21   });
23   apiFunctions.setHandleRequest('log', function() {
24     requireAsync('testNatives').then(function(natives) {
25       natives.Log($Array.join(arguments, ' '));
26     });
27   });
31 function testDone(runNextTest) {
32     // Use a promise here to allow previous test contexts to be eligible for
33     // garbage collection.
34     Promise.resolve().then(function() {
35       runNextTest();
36     });
39 function exportTests(tests, runTests, exports) {
40   $Array.forEach(tests, function(test) {
41     exports[test.name] = function() {
42       runTests([test]);
43       return true;
44     };
45   });
48 /**
49  * A fake implementation of setTimeout and clearTimeout.
50  * @constructor
51  */
52 function TimeoutManager() {
53   this.timeouts_ = {};
54   this.nextTimeoutId_ = 0;
55   this.currentTime = 0;
56   this.autorunEnabled_ = false;
59 /**
60  * Installs setTimeout and clearTimeout into the global object.
61  */
62 TimeoutManager.prototype.installGlobals = function() {
63   var global = sendRequestNatives.GetGlobal({});
64   global.setTimeout = this.setTimeout_.bind(this);
65   global.clearTimeout = this.clearTimeout_.bind(this);
68 /**
69  * Starts auto-running of timeout callbacks. Until |numCallbacksToRun| callbacks
70  * have run, any timeout callbacks set by calls to setTimeout (including before
71  * the call to run) will cause the currentTime to be advanced to the time of
72  * the timeout.
73  */
74 TimeoutManager.prototype.run = function(numCallbacksToRun) {
75   this.numCallbacksToRun_ = numCallbacksToRun;
76   Promise.resolve().then(this.autoRun_.bind(this));
79 /**
80  * Runs timeout callbacks with earliest timeout.
81  * @private
82  */
83 TimeoutManager.prototype.autoRun_ = function() {
84   if (this.numCallbacksToRun_ <= 0 || $Object.keys(this.timeouts_).length == 0)
85     return;
87   // Bucket the timeouts by their timeout time.
88   var timeoutsByTimeout = {};
89   var timeoutIds = $Object.keys(this.timeouts_);
90   for (var i = 0; i < timeoutIds.length; i++) {
91     var timeout = this.timeouts_[timeoutIds[i]];
92     var timeMs = timeout.timeMs;
93     if (!timeoutsByTimeout[timeMs])
94       timeoutsByTimeout[timeMs] = [];
95     timeoutsByTimeout[timeMs].push(timeout);
96   }
97   this.currentTime =
98       $Function.apply(Math.min, null, $Object.keys((timeoutsByTimeout)));
99   // Run all timeouts in the earliest timeout bucket.
100   var timeouts = timeoutsByTimeout[this.currentTime];
101   for (var i = 0; i < timeouts.length; i++) {
102     var currentTimeout = timeouts[i];
103     if (!this.timeouts_[currentTimeout.id])
104       continue;
105     this.numCallbacksToRun_--;
106     delete this.timeouts_[currentTimeout.id];
107     try {
108       currentTimeout.target();
109     } catch (e) {
110       console.log('error calling timeout target ' + e.stack);
111     }
112   }
113   // Continue running any later callbacks.
114   Promise.resolve().then(this.autoRun_.bind(this));
118  * A fake implementation of setTimeout. This does not support passing callback
119  * arguments.
120  * @private
121  */
122 TimeoutManager.prototype.setTimeout_ = function(target, timeoutMs) {
123   var timeoutId = this.nextTimeoutId_++;
124   this.timeouts_[timeoutId] = {
125     id: timeoutId,
126     target: target,
127     timeMs: timeoutMs + this.currentTime,
128   };
129   if (this.autorunEnabled_)
130     Promise.resolve().then(this.autoRun_.bind(this));
131   return timeoutId;
135  * A fake implementation of clearTimeout.
136  * @private
137  */
138 TimeoutManager.prototype.clearTimeout_ = function(timeoutId) {
139   if (this.timeouts_[timeoutId])
140     delete this.timeouts_[timeoutId];
143 exports.registerHooks = registerHooks;
144 exports.testDone = testDone;
145 exports.exportTests = exportTests;
146 exports.TimeoutManager = TimeoutManager;