/*
* Copyright 2011 Google Inc.
*
* 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.
*/
package com.google.gwt.animation.client;
import com.google.gwt.animation.client.AnimationScheduler.AnimationCallback;
import com.google.gwt.animation.client.AnimationScheduler.AnimationHandle;
import com.google.gwt.core.client.Duration;
import com.google.gwt.dom.client.DivElement;
import com.google.gwt.dom.client.Document;
import com.google.gwt.junit.client.GWTTestCase;
import com.google.gwt.user.client.Timer;
/**
* Tests the {@link AnimationScheduler} class.
*/
public class AnimationSchedulerTest extends GWTTestCase {
/**
* The default timeout of asynchronous tests.
*/
private static final int TEST_TIMEOUT = 60000;
/**
* Test maximum expected delay before the scheduler calls the callback. If the
* browser tab does not have focus, the browser may dramatically reduce the
* rate that timers fire, down to 1000ms.
*/
private static final int TIMER_DELAY = 3000;
private AnimationScheduler scheduler;
@Override
public String getModuleName() {
return "com.google.gwt.animation.Animation";
}
public void testCancel() {
delayTestFinish(TEST_TIMEOUT);
AnimationHandle handle = scheduler.requestAnimationFrame(new AnimationCallback() {
@Override
public void execute(double timestamp) {
fail("The animation frame was cancelled and should not execute.");
}
}, null);
// Cancel the animation frame.
handle.cancel();
// Wait to make sure it doesn't execute.
new Timer() {
@Override
public void run() {
finishTest();
}
}.schedule(TIMER_DELAY);
}
public void testRequestAnimationFrame() {
delayTestFinish(TEST_TIMEOUT);
final double startTime = Duration.currentTimeMillis();
DivElement element = Document.get().createDivElement();
scheduler.requestAnimationFrame(new AnimationCallback() {
@Override
public void execute(double timestamp) {
// Make sure timestamp is not a high-res timestamp (see issue 8570)
assertTrue(timestamp >= startTime);
finishTest();
}
}, element);
}
public void testRequestAnimationFrameWithoutElement() {
delayTestFinish(TEST_TIMEOUT);
final double startTime = Duration.currentTimeMillis();
scheduler.requestAnimationFrame(new AnimationCallback() {
@Override
public void execute(double timestamp) {
// Make sure timestamp is not a high-res timestamp (see issue 8570)
assertTrue(timestamp >= startTime);
finishTest();
}
}, null);
}
@Override
protected void gwtSetUp() throws Exception {
scheduler = AnimationScheduler.get();
}
@Override
protected void gwtTearDown() throws Exception {
scheduler = null;
}
}