Adding mapbox-gl branch
This commit is contained in:
Andreas Hocevar
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// Copyright 2006 The Closure Library Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS-IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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goog.provide('goog.net.NetworkTesterTest');
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goog.setTestOnly('goog.net.NetworkTesterTest');
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goog.require('goog.Uri');
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goog.require('goog.net.NetworkTester');
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goog.require('goog.testing.MockClock');
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goog.require('goog.testing.jsunit');
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var clock;
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function setUp() {
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clock = new goog.testing.MockClock(true);
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}
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function tearDown() {
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clock.dispose();
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}
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function testSuccess() {
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// set up the tster
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// simulate the image load and verify
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onload.call(null);
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assertTrue(handler.dequeue());
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assertFalse(tester.isRunning());
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}
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function testFailure() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// simulate the image failure and verify
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onerror.call(null);
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assertFalse(handler.dequeue());
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assertFalse(tester.isRunning());
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}
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function testAbort() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// simulate the image abort and verify
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onabort.call(null);
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assertFalse(handler.dequeue());
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assertFalse(tester.isRunning());
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}
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function testTimeout() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// simulate the image timeout and verify
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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clock.tick(10000);
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assertFalse(handler.dequeue());
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assertFalse(tester.isRunning());
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}
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function testRetries() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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tester.setNumRetries(1);
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assertEquals(tester.getAttemptCount(), 0);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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assertEquals(tester.getAttemptCount(), 1);
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// try number 1 fails
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onerror.call(null);
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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assertEquals(tester.getAttemptCount(), 2);
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// try number 2 succeeds
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image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onload.call(null);
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assertTrue(handler.dequeue());
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assertFalse(tester.isRunning());
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assertEquals(tester.getAttemptCount(), 2);
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}
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function testPauseBetweenRetries() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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tester.setNumRetries(1);
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tester.setPauseBetweenRetries(1000);
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// try number 1 fails
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var image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onerror.call(null);
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// need to pause 1000 ms for the second attempt
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assertNull(tester.image_);
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clock.tick(1000);
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// try number 2 succeeds
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image = tester.image_;
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assertEquals(String(tester.getUri()), image.src);
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assertTrue(handler.isEmpty());
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image.onload.call(null);
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assertTrue(handler.dequeue());
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assertFalse(tester.isRunning());
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}
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function testNonDefaultUri() {
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var handler = new Handler();
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var newUri = new goog.Uri('//www.google.com/images/cleardot2.gif');
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var tester = new goog.net.NetworkTester(handler.callback, handler, newUri);
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var testerUri = tester.getUri();
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assertTrue(testerUri.toString().indexOf('cleardot2') > -1);
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}
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function testOffline() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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var orgGetNavigatorOffline = goog.net.NetworkTester.getNavigatorOffline_;
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goog.net.NetworkTester.getNavigatorOffline_ = function() {
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return true;
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};
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try {
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(handler.isEmpty());
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assertTrue(tester.isRunning());
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// the call is done async
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clock.tick(1);
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assertFalse(handler.dequeue());
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assertFalse(tester.isRunning());
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} finally {
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// Clean up!
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goog.net.NetworkTester.getNavigatorOffline_ = orgGetNavigatorOffline;
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}
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}
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// Handler object for verifying callback
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function Handler() {
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this.events_ = [];
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}
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function testGetAttemptCount() {
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// set up the tester
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var handler = new Handler();
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var tester = new goog.net.NetworkTester(handler.callback, handler);
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assertEquals(tester.getAttemptCount(), 0);
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assertTrue(tester.attempt_ === tester.getAttemptCount());
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assertFalse(tester.isRunning());
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tester.start();
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assertTrue(tester.isRunning());
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assertTrue(tester.attempt_ === tester.getAttemptCount());
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}
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Handler.prototype.callback = function(result) {
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this.events_.push(result);
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};
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Handler.prototype.isEmpty = function() {
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return this.events_.length == 0;
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};
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Handler.prototype.dequeue = function() {
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if (this.isEmpty()) {
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throw Error('Handler is empty');
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}
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return this.events_.shift();
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};
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// override image constructor for test - can't use a real image due to
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// async load of images - have to simulate it
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function Image() {
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}
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