forked from mirrors/gecko-dev
7e1e060971
Differential Revision: https://phabricator.services.mozilla.com/D4186 --HG-- extra : source : 9537cee04b53aa60d3f40a1b9d05ab8f739a92f8
47 lines
1.8 KiB
HTML
47 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<title>WebKit-prefixed pseudo-elements</title>
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<link rel="author" title="Xidorn Quan" href="https://www.upsuper.org">
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<link rel="author" title="Mozilla" href="https://www.mozilla.org">
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<link rel="help" href="https://compat.spec.whatwg.org/#css-webkit-pseudo-elements">
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<meta name="assert" content="WebKit-prefixed pseudo-elements should always be valid">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<style id="style">
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#test {
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color: rgb(255, 0, 0);
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}
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span::-webkit-something-invalid, #test, ::-WeBkIt-sOmEtHiNg-NoNeXiSt123 {
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color: rgb(0, 255, 0);
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}
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::-webkitfoo, #test {
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color: rgb(255, 0, 0);
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}
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</style>
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<body>
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<div id="test"></div>
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<script>
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test(() => {
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let elem = document.getElementById("test");
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assert_equals(getComputedStyle(elem).color, "rgb(0, 255, 0)");
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}, "rules include webkit-prefixed pseudo-element should be cascaded");
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test(() => {
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let sheet = document.getElementById("style").sheet;
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assert_equals(sheet.cssRules[1].selectorText,
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"span::-webkit-something-invalid, " +
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"#test, ::-webkit-something-nonexist123");
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}, "webkit-prefixed pseudo-element selectors should be accessible from CSSOM");
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test(() => {
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document.querySelector("span::-webkit-something-invalid");
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document.querySelectorAll("span::-webkit-something-invalid");
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}, "qS and qSA shouldn't throw exception");
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test(() => {
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let sheet = document.getElementById("style").sheet;
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assert_equals(sheet.cssRules.length, 2);
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assert_throws("SyntaxError", () => document.querySelector("span::-webkitfoo"));
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assert_throws("SyntaxError", () => document.querySelectorAll("span::-webkitfoo"));
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}, "webkit-prefix without dash is invalid");
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</script>
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</body>
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