| // Copyright 2006 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| goog.provide('goog.TimerTest'); |
| goog.setTestOnly('goog.TimerTest'); |
| |
| goog.require('goog.Promise'); |
| goog.require('goog.Timer'); |
| goog.require('goog.events'); |
| goog.require('goog.testing.MockClock'); |
| goog.require('goog.testing.jsunit'); |
| |
| var intervalIds = {}; |
| var intervalIdCounter = 0; |
| var mockClock; |
| var maxDuration = 60 * 1000; // 60s |
| |
| function setUp() { |
| mockClock = new goog.testing.MockClock(true /* install */); |
| } |
| |
| function tearDown() { |
| mockClock.dispose(); |
| } |
| |
| // Run a test for 60s and see how many counts we get |
| function runTest(string, ticks, number) { |
| var t = new goog.Timer(ticks); |
| var count = 0; |
| goog.events.listen(t, 'tick', function(evt) { |
| count++; |
| }); |
| t.start(); |
| mockClock.tick(maxDuration); |
| assertEquals(string, number, count); |
| t.stop(); |
| goog.events.removeAll(t); |
| } |
| |
| |
| function test100msTicks() { |
| // Desc, interval in ms, expected ticks in 60s |
| runTest('10 ticks per second for 60 seconds', 100, 600); |
| } |
| |
| function test500msTicks() { |
| runTest('2 ticks per second for 60 seconds', 500, 120); |
| } |
| |
| function test1sTicks() { |
| runTest('1 tick per second for 60 seconds', 1000, 60); |
| } |
| |
| function test2sTicks() { |
| runTest('1 tick every 2 seconds for 60 seconds', 2000, 30); |
| } |
| |
| function test5sTicks() { |
| runTest('1 tick every 5 seconds for 60 seconds', 5000, 12); |
| } |
| |
| function test10sTicks() { |
| runTest('1 tick every 10 seconds for 60 seconds', 10000, 6); |
| } |
| |
| function test30sTicks() { |
| runTest('1 tick every 30 seconds for 60 seconds', 30000, 2); |
| } |
| |
| function test60sTicks() { |
| runTest('1 tick every 60 seconds', 60000, 1); |
| } |
| |
| function testCallOnce() { |
| var c = 0; |
| var actualTimeoutId = goog.Timer.callOnce( |
| function() { |
| if (c > 0) { |
| assertTrue('callOnce should only be called once', false); |
| } |
| c++; |
| }); |
| assertEquals('callOnce should return the timeout ID', |
| mockClock.getTimeoutsMade(), actualTimeoutId); |
| |
| var obj = {c: 0}; |
| goog.Timer.callOnce(function() { |
| if (this.c > 0) { |
| assertTrue('callOnce should only be called once', false); |
| } |
| assertEquals(obj, this); |
| this.c++; |
| }, 1, obj); |
| mockClock.tick(maxDuration); |
| } |
| |
| function testCallOnceIgnoresTimeoutsTooLarge() { |
| var failCallback = goog.partial(fail, 'Timeout should never be called'); |
| assertEquals('Timeouts slightly too large should yield a timer ID of -1', |
| -1, goog.Timer.callOnce(failCallback, 2147483648)); |
| assertEquals('Infinite timeouts should yield a timer ID of -1', |
| -1, goog.Timer.callOnce(failCallback, Infinity)); |
| } |
| |
| function testPromise() { |
| var c = 0; |
| goog.Timer.promise(1, 'A').then(function(result) { |
| c++; |
| assertEquals('promise should return resolved value', 'A', result); |
| }); |
| mockClock.tick(10); |
| assertEquals('promise must be yielded once and only once', 1, c); |
| } |
| |
| function testPromise_cancel() { |
| var c = 0; |
| goog.Timer.promise(1, 'A').then(function(result) { |
| fail('promise must not be resolved'); |
| }, function(reason) { |
| c++; |
| assertTrue('promise must fail due to cancel signal', |
| reason instanceof goog.Promise.CancellationError); |
| }).cancel(); |
| mockClock.tick(10); |
| assertEquals('promise must be canceled once and only once', 1, c); |
| } |
| |
| function testPromise_timeoutTooLarge() { |
| var c = 0; |
| goog.Timer.promise(2147483648, 'A').then(function(result) { |
| fail('promise must not be resolved'); |
| }, function(reason) { |
| c++; |
| assertTrue('promise must be rejected', reason instanceof Error); |
| }); |
| mockClock.tick(10); |
| assertEquals('promise must be rejected once and only once', 1, c); |
| } |