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test_keyframes_vendor_prefix.html
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test_keyframes_vendor_prefix.html
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<!DOCTYPE html>
<meta charset=utf-8>
<title>
Test for interaction between prefixed and non-prefixed @keyframes rules with
the same name
</title>
<script src='/resources/testharness.js'></script>
<script src='/resources/testharnessreport.js'></script>
<div id='log'></div>
<script>
/**
* Appends a style element to the document head.
*
* @param t The testharness.js Test object. If provided, this will be used
* to register a cleanup callback to remove the style element
* when the test finishes.
*
* @param rules A dictionary object with selector names and rules to set on
* the style sheet.
*/
function addStyle(t, rules) {
var extraStyle = document.createElement('style');
document.head.appendChild(extraStyle);
if (rules) {
var sheet = extraStyle.sheet;
for (var selector in rules) {
sheet.insertRule(selector + '{' + rules[selector] + '}',
sheet.cssRules.length);
}
}
if (t && typeof t.add_cleanup === 'function') {
t.add_cleanup(function() {
extraStyle.remove();
});
}
}
/**
* Appends a div to the document body.
*
* @param t The testharness.js Test object. If provided, this will be used
* to register a cleanup callback to remove the div when the test
* finishes.
*
* @param attrs A dictionary object with attribute names and values to set on
* the div.
*/
function addDiv(t, attrs) {
var div = document.createElement('div');
if (attrs) {
for (var attrName in attrs) {
div.setAttribute(attrName, attrs[attrName]);
}
}
document.body.appendChild(div);
if (t && typeof t.add_cleanup === 'function') {
t.add_cleanup(function() {
div.remove();
});
}
return div;
}
test(function(t) {
addStyle(t,
{ '@-webkit-keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-webkit- prefix keyframes');
test(function(t) {
addStyle(t,
{ '@-moz-keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-moz- prefix keyframes');
test(function(t) {
addStyle(t,
{ '@-WEBKIT-keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-WEBKIT- prefix keyframes');
test(function(t) {
addStyle(t,
{ '@-MOZ-keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-MOZ- prefix keyframes');
test(function(t) {
addStyle(t,
{ '@-webkit-KEYFRAMES anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-webkit- prefix KEYFRAMES');
test(function(t) {
addStyle(t,
{ '@keyframes anim': 'from,to { color: rgb(0, 255, 0); }',
'@-webkit-keyframes anim': 'from,to { color: rgb(255, 0, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-webkit-keyframes should not override earlier non-prefix keyframes');
test(function(t) {
addStyle(t,
{ '@keyframes anim': 'from,to { color: rgb(0, 255, 0); }',
'@-moz-keyframes anim': 'from,to { color: rgb(255, 0, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, '-moz-keyframes should not override earlier non-prefix keyframes');
test(function(t) {
addStyle(t,
{ '@-moz-keyframes anim': 'from,to { color: rgb(255, 0, 0); }',
'@keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, 'non-prefix keyframes should override earlier -moz-keyframes');
test(function(t) {
addStyle(t,
{ '@-webkit-keyframes anim': 'from,to { color: rgb(255, 0, 0); }',
'@keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, 'non-prefix keyframes should override earlier -webkit-keyframes');
test(function(t) {
addStyle(t,
{ '@-webkit-keyframes anim': 'from,to { color: rgb(255, 0, 0); }',
'@-moz-keyframes anim': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
addStyle(t,
{ '@-moz-keyframes anim2': 'from,to { color: rgb(255, 0, 0); }',
'@-webkit-keyframes anim2': 'from,to { color: rgb(0, 255, 0); }' });
var div = addDiv(t, { style: 'animation: anim2 100s' });
assert_equals(getComputedStyle(div).color, 'rgb(0, 255, 0)');
}, 'last prefixed keyframes should override earlier prefixed keyframes');
</script>