53 lines
2.4 KiB
HTML
53 lines
2.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<title>CSS Shadow Parts - Invalidation of before/after with class selector</title>
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<link href="http://www.apple.com/" rel="author" title="Apple">
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<link href="https://drafts.csswg.org/css-shadow-parts/" rel="help">
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<script src="../../../resources/testharness.js"></script>
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<script src="../../../resources/testharnessreport.js"></script>
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<script src="../resources/shadow-helper.js"></script>
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</head>
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<body>
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<style>
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.enable-self::part(partp) { color: green; }
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.enable-before::part(partp)::before { color: green; }
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.enable-after::part(partp)::after { color: green; }
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</style>
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<script>installCustomElement("custom-element", "custom-element-template");</script>
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<template id="custom-element-template">
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<style>
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span::before { content: "Before text"; color: red; }
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span::after { content: "After text"; color: red; }
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</style>
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<span id="part" part="partp">Main text</span>
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</template>
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The following text should be green:
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<div><custom-element id="c-e"></custom-element></div>
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<script>
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"use strict";
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test(function() {
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const part = getElementByShadowIds(document, ["c-e", "part"]);
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const oldColor = window.getComputedStyle(part).color;
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document.querySelector("#c-e").classList.add("enable-self");
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const newColor = window.getComputedStyle(part).color;
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assert_not_equals(oldColor, newColor);
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}, "Part in selected host changed color");
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test(function() {
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const part = getElementByShadowIds(document, ["c-e", "part"]);
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const oldColor = window.getComputedStyle(part, "::before").color;
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document.querySelector("#c-e").classList.add("enable-before");
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const newColor = window.getComputedStyle(part, "::before").color;
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assert_not_equals(oldColor, newColor);
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}, "Before pseudo element of part in selected host changed color");
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test(function() {
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const part = getElementByShadowIds(document, ["c-e", "part"]);
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const oldColor = window.getComputedStyle(part, "::after").color;
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document.querySelector("#c-e").classList.add("enable-after");
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const newColor = window.getComputedStyle(part, "::after").color;
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assert_not_equals(oldColor, newColor);
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}, "After pseudo element of part in selected host changed color");
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</script>
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</body>
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</html>
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