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<!DOCTYPE html>
<html>
<!--
Copyright 2011 The Closure Library Authors. All Rights Reserved.
Use of this source code is governed by the Apache License, Version 2.0.
See the COPYING file for details.
-->
<head>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<title>Closure Unit Tests - goog.fx.Animation</title>
<script src="../base.js"></script>
<script>
goog.require('goog.events');
goog.require('goog.fx.Animation');
goog.require('goog.testing.MockClock');
goog.require('goog.testing.jsunit');
</script>
</head>
<body>
<script>
var clock;
function setUpPage() {
clock = new goog.testing.MockClock(true);
}
function tearDownPage() {
clock.dispose();
}
function testPauseLogic() {
var anim = new goog.fx.Animation([], [], 3000);
var nFrames = 0;
goog.events.listen(anim, goog.fx.Animation.EventType.ANIMATE, function(e) {
assertRoughlyEquals(e.progress, progress, 1e-6);
nFrames++;
});
goog.events.listen(anim, goog.fx.Animation.EventType.END, function(e) {
nFrames++;
});
var nSteps = 10;
for (var i = 0; i < nSteps; i++) {
progress = i / (nSteps - 1);
anim.setProgress(progress);
anim.play();
anim.pause();
}
assertEquals(nSteps, nFrames);
}
function testPauseOffset() {
var anim = new goog.fx.Animation([0], [1000], 1000);
anim.play();
assertEquals(0, anim.coords[0]);
assertRoughlyEquals(0, anim.progress, 1e-4);
clock.tick(300);
assertEquals(300, anim.coords[0]);
assertRoughlyEquals(0.3, anim.progress, 1e-4);
anim.pause();
clock.tick(400);
assertEquals(300, anim.coords[0]);
assertRoughlyEquals(0.3, anim.progress, 1e-4);
anim.play();
assertEquals(300, anim.coords[0]);
assertRoughlyEquals(0.3, anim.progress, 1e-4);
clock.tick(400);
assertEquals(700, anim.coords[0]);
assertRoughlyEquals(0.7, anim.progress, 1e-4);
anim.pause();
clock.tick(300);
assertEquals(700, anim.coords[0]);
assertRoughlyEquals(0.7, anim.progress, 1e-4);
anim.play();
var lastPlay = goog.now();
assertEquals(700, anim.coords[0]);
assertRoughlyEquals(0.7, anim.progress, 1e-4);
clock.tick(300);
assertEquals(1000, anim.coords[0]);
assertRoughlyEquals(1, anim.progress, 1e-4);
assertEquals(goog.fx.Animation.State.STOPPED, anim.getStateInternal());
}
function testSetProgress() {
var anim = new goog.fx.Animation([0], [1000], 3000);
var nFrames = 0;
anim.play();
anim.setProgress(0.5);
goog.events.listen(anim, goog.fx.Animation.EventType.ANIMATE, function(e) {
assertEquals(500, e.coords[0]);
assertRoughlyEquals(0.5, e.progress, 1e-4);
nFrames++;
});
anim.cycle(goog.now());
anim.stop();
assertEquals(1, nFrames);
}
</script>
</body>
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