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| 1 // Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library EventTaskZoneTest; | |
| 6 | |
| 7 import 'package:unittest/unittest.dart'; | |
| 8 import 'package:unittest/html_config.dart'; | |
| 9 import 'dart:async'; | |
| 10 import 'dart:html'; | |
| 11 | |
| 12 // Tests zone tasks with window.requestAnimationFrame. | |
| 13 | |
| 14 class MockAnimationFrameTask implements AnimationFrameTask { | |
| 15 static int taskId = 499; | |
| 16 | |
| 17 final int id; | |
| 18 final Zone zone; | |
| 19 bool _isCanceled = false; | |
| 20 Function _callback; | |
| 21 | |
| 22 MockAnimationFrameTask( | |
| 23 this.id, this.zone, this._callback); | |
| 24 | |
| 25 void cancel(Window window) { | |
| 26 _isCanceled = true; | |
| 27 } | |
| 28 | |
| 29 trigger(num stamp) { | |
| 30 zone.runTask(run, this, stamp); | |
| 31 } | |
| 32 | |
| 33 static create(AnimationFrameRequestSpecification spec, Zone zone) { | |
| 34 var callback = zone.registerUnaryCallback(spec.callback); | |
| 35 return new MockAnimationFrameTask( | |
| 36 taskId++, zone, callback); | |
| 37 } | |
| 38 | |
| 39 static run(MockAnimationFrameTask task, num arg) { | |
| 40 AnimationFrameTask.removeMapping(task.id); | |
| 41 task._callback(arg); | |
| 42 } | |
| 43 } | |
| 44 | |
| 45 animationFrameTest() { | |
| 46 test("animationFrameTest - no intercept", () async { | |
| 47 AnimationFrameTask lastTask; | |
| 48 bool sawRequest = false; | |
| 49 int id; | |
| 50 num providedArg; | |
| 51 | |
| 52 Object createTaskHandler(Zone self, ZoneDelegate parent, Zone zone, | |
| 53 TaskCreate create, TaskSpecification specification) { | |
| 54 if (specification is AnimationFrameRequestSpecification) { | |
| 55 sawRequest = true; | |
| 56 lastTask = parent.createTask(zone, create, specification); | |
| 57 id = lastTask.id; | |
| 58 return lastTask; | |
| 59 } | |
| 60 return parent.createTask(zone, create, specification); | |
| 61 } | |
| 62 | |
| 63 void runTaskHandler(Zone self, ZoneDelegate parent, Zone zone, TaskRun run, | |
| 64 Object task, Object arg) { | |
| 65 if (identical(task, lastTask)) { | |
| 66 providedArg = arg; | |
| 67 } | |
| 68 parent.runTask(zone, run, task, arg); | |
| 69 } | |
| 70 | |
| 71 var completer = new Completer(); | |
| 72 var publicId; | |
| 73 runZoned(() { | |
| 74 publicId = window.requestAnimationFrame((num stamp) { | |
| 75 completer.complete(stamp); | |
| 76 }); | |
| 77 }, | |
| 78 zoneSpecification: new ZoneSpecification( | |
| 79 createTask: createTaskHandler, runTask: runTaskHandler)); | |
| 80 | |
| 81 var referenceCompleter = new Completer(); | |
| 82 window.requestAnimationFrame((num stamp) { | |
| 83 referenceCompleter.complete(stamp); | |
| 84 }); | |
| 85 | |
| 86 var callbackStamp = await completer.future; | |
| 87 var referenceStamp = await referenceCompleter.future; | |
| 88 | |
| 89 expect(callbackStamp, equals(referenceStamp)); | |
| 90 expect(providedArg, equals(callbackStamp)); | |
| 91 expect(sawRequest, isTrue); | |
| 92 expect(publicId, isNotNull); | |
| 93 expect(publicId, equals(id)); | |
| 94 }); | |
| 95 } | |
| 96 | |
| 97 interceptedAnimationFrameTest() { | |
| 98 test("animationFrameTest - intercepted", () { | |
| 99 List<MockAnimationFrameTask> tasks = []; | |
| 100 List<num> loggedRuns = []; | |
| 101 int executedTaskId; | |
| 102 int executedStamp; | |
| 103 | |
| 104 Object createTaskHandler(Zone self, ZoneDelegate parent, Zone zone, | |
| 105 TaskCreate create, TaskSpecification specification) { | |
| 106 if (specification is AnimationFrameRequestSpecification) { | |
| 107 var task = parent.createTask( | |
| 108 zone, MockAnimationFrameTask.create, specification); | |
| 109 tasks.add(task); | |
| 110 return task; | |
| 111 } | |
| 112 return parent.createTask(zone, create, specification); | |
| 113 } | |
| 114 | |
| 115 void runTaskHandler(Zone self, ZoneDelegate parent, Zone zone, TaskRun run, | |
| 116 Object task, Object arg) { | |
| 117 if (tasks.contains(task)) { | |
| 118 loggedRuns.add(arg); | |
| 119 } | |
| 120 parent.runTask(zone, run, task, arg); | |
| 121 } | |
| 122 | |
| 123 var id0, id1, id2; | |
| 124 | |
| 125 runZoned(() { | |
| 126 id0 = window.requestAnimationFrame((num stamp) { | |
| 127 executedTaskId = id0; | |
| 128 executedStamp = stamp; | |
| 129 }); | |
| 130 id1 = window.requestAnimationFrame((num stamp) { | |
| 131 executedTaskId = id1; | |
| 132 executedStamp = stamp; | |
| 133 }); | |
| 134 id2 = window.requestAnimationFrame((num stamp) { | |
| 135 executedTaskId = id2; | |
| 136 executedStamp = stamp; | |
| 137 }); | |
| 138 }, | |
| 139 zoneSpecification: new ZoneSpecification( | |
| 140 createTask: createTaskHandler, runTask: runTaskHandler)); | |
| 141 | |
| 142 expect(tasks.length, 3); | |
| 143 expect(executedTaskId, isNull); | |
| 144 expect(executedStamp, isNull); | |
| 145 expect(loggedRuns.isEmpty, isTrue); | |
| 146 | |
| 147 tasks[0].trigger(123.1); | |
| 148 expect(executedTaskId, id0); | |
| 149 expect(executedStamp, 123.1); | |
| 150 | |
| 151 tasks[1].trigger(123.2); | |
| 152 expect(executedTaskId, id1); | |
| 153 expect(executedStamp, 123.2); | |
| 154 | |
| 155 expect(loggedRuns, equals([123.1, 123.2])); | |
| 156 | |
| 157 window.cancelAnimationFrame(id2); | |
| 158 expect(tasks[2]._isCanceled, isTrue); | |
| 159 // Cancel it a second time. Should not crash. | |
| 160 window.cancelAnimationFrame(id2); | |
| 161 expect(tasks[2]._isCanceled, isTrue); | |
| 162 }); | |
| 163 } | |
| 164 | |
| 165 main() { | |
| 166 useHtmlConfiguration(); | |
| 167 | |
| 168 animationFrameTest(); | |
| 169 interceptedAnimationFrameTest(); | |
| 170 } | |
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