servo/tests/wpt/css-tests/cssom-1_dev/html/css-style-declaration-modifications.htm

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<!DOCTYPE html>
<html><head>
<title>CSS Test: CSSStyleDeclaration Interface</title>
<link href="mailto:betravis@adobe.com" rel="author" title="Bear Travis">
<link href="http://www.w3.org/TR/cssom/#the-cssstyledeclaration-interface" rel="help">
<meta content="dom" name="flags">
<meta content="CSSStyleDeclaration is properly initialized and can be modified through its interface" name="assert">
<script src="/resources/testharness.js" type="text/javascript"></script>
<script src="/resources/testharnessreport.js" type="text/javascript"></script>
<style id="styleElement">
#test { color: green; }
</style>
<script id="metadata_cache">/*
{
"CSSStyleDeclaration_accessible": {
"help": ["http://www.w3.org/TR/cssom/#the-cssstylesheet-interface",
"http://www.w3.org/TR/cssom/#the-cssrulelist-sequence",
"http://www.w3.org/TR/cssom/#css-style-rule-rule-set"],
"assert": "Can access CSSStyleDeclaration through CSSOM"
},
"read": { "assert": "initial property values are correct" },
"csstext_write": {
"assert": ["setting cssText adds new properties",
"setting cssText removes existing properties",
"properties set through cssText are reflected in the computed style"]
},
"property_write": {
"assert": ["setProperty adds new properties",
"properties set through setProperty are reflected in the computed style"]
}
}
*/</script>
</head>
<body>
<noscript>Test not run - javascript required.</noscript>
<div id="log"></div>
<div id="test"></div>
<script type="text/javascript">
var styleElement = document.getElementById("styleElement");
var styleDeclaration;
test(function() {
assert_own_property(styleElement, "sheet");
assert_own_property(styleElement.sheet, "cssRules");
assert_true(styleElement.sheet.cssRules instanceof CSSRuleList);
assert_true(styleElement.sheet.cssRules.item(0) instanceof CSSStyleRule);
declaration = styleElement.sheet.cssRules.item(0).style;
}, "CSSStyleDeclaration_accessible",
{ help: [ "http://www.w3.org/TR/cssom/#the-cssstylesheet-interface",
"http://www.w3.org/TR/cssom/#the-cssrulelist-sequence",
"http://www.w3.org/TR/cssom/#css-style-rule-rule-set" ],
assert: "Can access CSSStyleDeclaration through CSSOM" });
test(function() {
assert_regexp_match(declaration.cssText, /color: green;\s*/);
assert_equals(declaration.getPropertyValue("color"), "green");
}, "read",
{ assert: "initial property values are correct" });
test(function() {
declaration.cssText = "margin-left: 10px; padding-left: 10px;";
assert_regexp_match(declaration.cssText, /margin-left: 10px;\s+padding-left: 10px;\s+/);
assert_equals(declaration.length, 2);
assert_equals(declaration.item(0), "margin-left");
assert_equals(declaration.item(1), "padding-left");
assert_equals(declaration.getPropertyValue("margin-left"), "10px");
assert_equals(declaration.getPropertyValue("padding-left"), "10px");
var computedStyle = window.getComputedStyle(document.getElementById("test"));
assert_equals(computedStyle.getPropertyValue("margin-left"), "10px");
assert_equals(computedStyle.getPropertyValue("padding-left"), "10px");
}, "csstext_write",
{ assert: [ "setting cssText adds new properties",
"setting cssText removes existing properties",
"properties set through cssText are reflected in the computed style"] });
test(function() {
while(declaration.length > 0)
declaration.removeProperty(declaration.item(0));
declaration.setProperty("margin-left", "15px");
declaration.setProperty("padding-left", "15px");
assert_equals(declaration.length, 2);
assert_equals(declaration.item(0), "margin-left");
assert_equals(declaration.item(1), "padding-left");
assert_equals(declaration.getPropertyValue("margin-left"), "15px");
assert_equals(declaration.getPropertyValue("padding-left"), "15px");
var computedStyle = window.getComputedStyle(document.getElementById("test"));
assert_equals(computedStyle.getPropertyValue("margin-left"), "15px");
assert_equals(computedStyle.getPropertyValue("padding-left"), "15px");
}, "property_write",
{ assert: [ "setProperty adds new properties",
"properties set through setProperty are reflected in the computed style"] });
</script>
</body></html>