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30 lines
943 B
HTML
30 lines
943 B
HTML
<!doctype html>
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<meta charset="utf-8">
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<title>CSS Pseudo-Elements Test: Universal ::selection in Shadow DOM</title>
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<link rel="help" href="https://drafts.csswg.org/css-pseudo/#highlight-selectors">
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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>
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::selection {
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background-color: pink;
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color: red;
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}
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</style>
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<div id="host"></div>
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<script>
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const root = host.attachShadow({mode:"open"});
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root.innerHTML = `
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<style>
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::selection {
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background-color: green;
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color: lime;
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}
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</style>
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<div id="target"></div>
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`;
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test(() => {
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const style = getComputedStyle(root.querySelector("#target"), "::selection");
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assert_equals(style.backgroundColor, "rgb(0, 128, 0)", "Background color is green.");
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assert_equals(style.color, "rgb(0, 255, 0)", "Color is lime.");
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}, "getComputedStyle() for #target ::selection");
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</script>
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