зеркало из https://github.com/mozilla/gecko-dev.git
91 строка
2.6 KiB
HTML
91 строка
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=557726
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-->
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<head>
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<title>Test for Bug 557726</title>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<style id="pseudo-style">
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#div1 {
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color: blue;
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}
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#div1:first-letter {
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font-weight: bold;
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}
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#div1:before {
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content: '"';
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}
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#div1:after {
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content: '"';
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}
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#div1:after, #div1:before {
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color: red;
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}
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</style>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=557726">Mozilla Bug 557726</a>
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<div id="div1">
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text with ::before, ::after, and ::first-letter pseudo-elements
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</div>
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<script type="application/javascript">
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/** Test for Bug 557726 **/
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const InspectorUtils = SpecialPowers.InspectorUtils;
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function getSelectors (rules) {
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var styleElement = document.getElementById("pseudo-style");
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var selectors = [];
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for (var i = 0; i < rules.length; i++) {
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var rule = rules[i];
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if (SpecialPowers.unwrap(rule.parentStyleSheet.ownerNode) == styleElement) // no user agent rules
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selectors.push(rule.selectorText);
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}
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return selectors;
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}
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var div = document.getElementById("div1");
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/* empty or missing pseudo-element argument */
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var selectors = getSelectors(InspectorUtils.getCSSStyleRules(div));
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is(selectors.length, 1, "psuedo-element argument should be optional");
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is(selectors[0], "#div1", "should only have the non-pseudo element rule");
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selectors = getSelectors(InspectorUtils.getCSSStyleRules(div, ""));
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is(selectors.length, 1, "pseudo-element argument can be empty string");
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is(selectors[0], "#div1", "should only have the non pseudo-element rule");
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/* invalid pseudo-element argument */
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var rules = InspectorUtils.getCSSStyleRules(div, "not a valid pseudo element");
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is(rules.length, 0, "invalid pseudo-element returns no rules");
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/* valid pseudo-element argument */
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selectors = getSelectors(InspectorUtils.getCSSStyleRules(div, ":first-letter"));
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is(selectors.length, 1, "pseudo-element argument can be used");
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is(selectors[0], "#div1::first-letter", "should only have the ::first-letter rule");
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selectors = getSelectors(InspectorUtils.getCSSStyleRules(div, ":before"));
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is(selectors.length, 2, "::before pseudo-element has two matching rules");
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isnot(selectors.indexOf("#div1::after, #div1::before"), -1, "fetched rule for ::before")
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isnot(selectors.indexOf("#div1::before"), -1, "fetched rule for ::before")
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selectors = getSelectors(InspectorUtils.getCSSStyleRules(div, ":first-line"));
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is(selectors.length, 0, "valid pseudo-element but no matching rules");
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</script>
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</pre>
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</body>
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</html>
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