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<head>
<meta charset="utf-8">
<title>Shorthand serialization should be done correctly.</title>
<link rel="help" href="https://drafts.csswg.org/cssom/#serialize-a-css-declaration-block">
<link rel="help" href="https://drafts.csswg.org/css-variables/#variables-in-shorthands">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="foo1" style="background: red;">foo</div>
<div id="foo2" style="background-color: blue; background: red !important; background-color: green;">foo</div>
<div id="foo3" style="background-color: blue; background: red; background-color: green !important;">foo</div>
<div id="foo4" style="margin-right: 10px; margin-left: 10px; margin-top: 10px; margin-bottom: 10px;">foo</div>
<div id="foo5" style="margin-right: 10px; margin-left: 10px; margin-top: 10px; margin-bottom: 10px!important;">foo</div>
<div id="foo6" style="margin-right: 10px !important; margin-left: 10px !important; margin-top: 10px !important; margin-bottom: 10px!important;">foo</div>
<div id="foo7" style="background:var(--a);">foo</div>
<div id="test"></div>
<script>
test(function() {
var elem1 = document.getElementById('foo1');
var elem2 = document.getElementById('foo2');
var elem3 = document.getElementById('foo3');
assert_false(elem1.style.cssText.endsWith('!important;'));
assert_true(elem2.style.cssText.endsWith('!important;'));
assert_false(elem3.style.background.endsWith('!important'));
}, "Shorthand serialization with shorthand and longhands mixed.");
test(function() {
var elem4 = document.getElementById('foo4');
var elem5 = document.getElementById('foo5');
var elem6 = document.getElementById('foo6');
assert_equals(elem4.style.cssText, 'margin: 10px;');
assert_equals(elem4.style.margin, '10px');
assert_equals(elem5.style.cssText, 'margin-right: 10px; margin-left: 10px; margin-top: 10px; margin-bottom: 10px !important;');
assert_equals(elem5.style.margin, '');
assert_equals(elem6.style.cssText, 'margin: 10px !important;');
assert_equals(elem6.style.margin, '10px');
}, "Shorthand serialization with just longhands.");
test(function() {
var elem7 = document.getElementById('foo7');
assert_equals(elem7.style.background, 'var(--a)');
assert_equals(elem7.style.backgroundPosition, '');
}, "Shorthand serialization with variable and variable from other shorthand.");
test(function() {
var testElem = document.getElementById("test");
testElem.style.margin = "20px 20px 20px 20px";
assert_equals(testElem.style.margin, "20px");
assert_equals(testElem.style.cssText, "margin: 20px;")
}, "Shorthand serialization after setting");
test(function() {
const testElem = document.getElementById("test");
testElem.style.cssText = "margin: initial;";
assert_equals(testElem.style.margin, "initial");
assert_equals(testElem.style.cssText, "margin: initial;");
}, "Shorthand serialization with 'initial' value.");
test(function() {
const testElem = document.getElementById("test");
testElem.style.setProperty("margin-top", "initial", "important");
assert_equals(testElem.style.margin, "");
}, "Shorthand serialization with 'initial' value, one longhand with important flag.");
test(function() {
const testElem = document.getElementById("test");
testElem.style.cssText = "";
testElem.style.setProperty("margin-top", "initial");
testElem.style.setProperty("margin-right", "initial");
testElem.style.setProperty("margin-bottom", "initial");
testElem.style.setProperty("margin-left", "initial", "important");
assert_equals(testElem.style.margin, "");
}, "Shorthand serialization with 'initial' value, longhands set individually, one with important flag.");
</script>
</body>
</html>
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