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// Copyright 2008 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.fx.CssSpriteAnimationTest');
goog.setTestOnly('goog.fx.CssSpriteAnimationTest');
goog.require('goog.fx.CssSpriteAnimation');
goog.require('goog.math.Box');
goog.require('goog.math.Size');
goog.require('goog.testing.MockClock');
goog.require('goog.testing.jsunit');
var el;
var size;
var box;
var time = 1000;
var anim, clock;
function setUpPage() {
clock = new goog.testing.MockClock(true);
el = document.getElementById('test');
size = new goog.math.Size(10, 10);
box = new goog.math.Box(0, 10, 100, 0);
}
function tearDownPage() {
clock.dispose();
}
function tearDown() {
anim.clearSpritePosition();
anim.dispose();
}
function assertBackgroundPosition(x, y) {
if (typeof el.style.backgroundPositionX != 'undefined') {
assertEquals(x + 'px', el.style.backgroundPositionX);
assertEquals(y + 'px', el.style.backgroundPositionY);
} else {
var bgPos = el.style.backgroundPosition;
var message = 'Expected <' + x + 'px ' + y + 'px>, found <' + bgPos + '>';
if (x == y) {
// when x and y are the same the browser sometimes collapse the prop
assertTrue(
message,
bgPos == x || // in case of 0 without a unit
bgPos == x + 'px' || bgPos == x + ' ' + y ||
bgPos == x + 'px ' + y + 'px');
} else {
assertTrue(
message, bgPos == x + ' ' + y || bgPos == x + 'px ' + y ||
bgPos == x + ' ' + y + 'px' || bgPos == x + 'px ' + y + 'px');
}
}
}
function testAnimation() {
anim = new goog.fx.CssSpriteAnimation(el, size, box, time);
anim.play();
assertBackgroundPosition(0, 0);
clock.tick(5);
assertBackgroundPosition(0, 0);
clock.tick(95);
assertBackgroundPosition(0, -10);
clock.tick(100);
assertBackgroundPosition(0, -20);
clock.tick(300);
assertBackgroundPosition(0, -50);
clock.tick(400);
assertBackgroundPosition(0, -90);
// loop around to starting position
clock.tick(100);
assertBackgroundPosition(0, 0);
assertTrue(anim.isPlaying());
assertFalse(anim.isStopped());
clock.tick(100);
assertBackgroundPosition(0, -10);
}
function testAnimation_disableLoop() {
anim = new goog.fx.CssSpriteAnimation(
el, size, box, time, undefined, true /* opt_disableLoop */);
anim.play();
assertBackgroundPosition(0, 0);
clock.tick(5);
assertBackgroundPosition(0, 0);
clock.tick(95);
assertBackgroundPosition(0, -10);
clock.tick(100);
assertBackgroundPosition(0, -20);
clock.tick(300);
assertBackgroundPosition(0, -50);
clock.tick(400);
assertBackgroundPosition(0, -90);
// loop around to starting position
clock.tick(100);
assertBackgroundPosition(0, -90);
assertTrue(anim.isStopped());
assertFalse(anim.isPlaying());
clock.tick(100);
assertBackgroundPosition(0, -90);
}
function testClearSpritePosition() {
anim = new goog.fx.CssSpriteAnimation(el, size, box, time);
anim.play();
assertBackgroundPosition(0, 0);
clock.tick(100);
assertBackgroundPosition(0, -10);
anim.clearSpritePosition();
if (typeof el.style.backgroundPositionX != 'undefined') {
assertEquals('', el.style.backgroundPositionX);
assertEquals('', el.style.backgroundPositionY);
}
assertEquals('', el.style.backgroundPosition);
}
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