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background-size-001.html
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<!DOCTYPE html>
<html>
<head>
<title>CSS Backgrounds and Borders Test: background-size - initial and supported values</title>
<link rel="author" title="Intel" href="http://www.intel.com" />
<link rel="help" href="http://www.w3.org/TR/css3-background/#the-background-size" />
<meta name="flags" content="dom" />
<meta name="assert" content="Check if background-size initial value is auto and supports values auto, cover and contain" />
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<div id="test"></div>
<script>
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"auto", "background-size initial value");
}, "background-size_initial");
document.getElementById("test").style.backgroundSize = "auto";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"auto", "background-size supporting value");
}, "background-size_auto");
document.getElementById("test").style.backgroundSize = "cover";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"cover", "background-size supporting value");
}, "background-size_cover");
document.getElementById("test").style.backgroundSize = "contain";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"contain", "background-size supporting value");
}, "background-size_contain");
document.getElementById("test").style.backgroundSize = "0px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"0px auto", "background-size supporting value");
}, "background-size_length_zero");
document.getElementById("test").style.backgroundSize = "-0px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"0px auto", "background-size supporting value");
}, "background-size_length_negative_zero");
document.getElementById("test").style.backgroundSize = "+0px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"0px auto", "background-size supporting value");
}, "background-size_length_positive_zero");
document.getElementById("test").style.backgroundSize = "15px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"15px auto", "background-size supporting value");
}, "background-size_length_normal");
document.getElementById("test").style.backgroundSize = "0%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"0% auto", "background-size supporting value");
}, "background-size_percentage_min");
document.getElementById("test").style.backgroundSize = "50%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"50% auto", "background-size supporting value");
}, "background-size_percentage_normal");
document.getElementById("test").style.backgroundSize = "100%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"100% auto", "background-size supporting value");
}, "background-size_percentage_max");
document.getElementById("test").style.backgroundSize = "auto auto";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"auto", "background-size supporting value");
}, "background-size_auto_auto");
document.getElementById("test").style.backgroundSize = "auto 15px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"auto 15px", "background-size supporting value");
}, "background-size_auto_length");
document.getElementById("test").style.backgroundSize = "auto 50%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"auto 50%", "background-size supporting value");
}, "background-size_auto_percentage");
document.getElementById("test").style.backgroundSize = "15px auto";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"15px auto", "background-size supporting value");
}, "background-size_length_auto");
document.getElementById("test").style.backgroundSize = "15px 15px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"15px 15px", "background-size supporting value");
}, "background-size_length_length");
document.getElementById("test").style.backgroundSize = "15px 50%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"15px 50%", "background-size supporting value");
}, "background-size_length_percentage");
document.getElementById("test").style.backgroundSize = "50% auto";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"50% auto", "background-size supporting value");
}, "background-size_percentage_auto");
document.getElementById("test").style.backgroundSize = "50% 15px";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"50% 15px", "background-size supporting value");
}, "background-size_percentage_length");
document.getElementById("test").style.backgroundSize = "50% 50%";
test(function() {
assert_equals(getComputedStyle(document.getElementById("test"), null).getPropertyValue("background-size"),
"50% 50%", "background-size supporting value");
}, "background-size_percentage_percentage");
</script>
</body>
</html>