77 lines
3 KiB
HTML
77 lines
3 KiB
HTML
<!doctype html>
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<meta charset="utf-8">
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<link rel="author" href="mailto:emilio@crisal.io" title="Emilio Cobos Álvarez">
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<link rel="author" href="https://mozilla.org" title="Mozilla">
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<link rel="help" href="https://issues.chromium.org/issues/365052666">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1911253">
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<link rel="help" href="https://drafts.csswg.org/css-pseudo/#generated-content">
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<!--
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https://drafts.csswg.org/css-pseudo/#generated-content:
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Also as with regular child elements, the ::before and ::after pseudo-elements
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are suppressed when their parent, the originating element, is replaced.
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-->
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<title>Replaced elements don't generate before / after CSS pseudo-elements</title>
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<style>
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input::before,
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video::before,
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progress::before {
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content: "X";
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display: block;
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/* Not resolvable if box is not generated */
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width: 10%;
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}
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span {
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display: block;
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/* Not resolvable if box is not generated */
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width: 10%;
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}
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</style>
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<input type=text>
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<input type=date>
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<input type=time>
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<input type=datetime-local>
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<input type=checkbox>
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<input type=radio>
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<input type=file>
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<input type=range>
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<input type=color>
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<input type=hidden>
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<input type=search>
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<video controls></video>
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<video></video>
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<progress></progress>
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<!-- These are special since they are no longer replaced with appearance: none -->
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<input style="appearance: none" type=checkbox>
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<input style="appearance: none" type=radio>
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<!-- These are not special -->
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<input style="appearance: none" type=text>
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<input style="appearance: none" type=date>
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<input style="appearance: none" type=time>
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<input style="appearance: none" type=datetime-local>
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<input style="appearance: none" type=file>
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<input style="appearance: none" type=range>
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<input style="appearance: none" type=color>
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<input style="appearance: none" type=hidden>
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<input style="appearance: none" type=search>
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<progress></progress>
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<script>
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for (let element of document.querySelectorAll("input, video")) {
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test(function() {
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const child = element.appendChild(document.createElement("span"));
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const childWidth = getComputedStyle(child).width;
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const hasChildBox = childWidth.endsWith("px");
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const pseudoWidth = getComputedStyle(element, "::before").width;
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const hasPseudoBox = pseudoWidth.endsWith("px");
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assert_equals(hasChildBox, hasPseudoBox, "Should only generate a box for pseudo-elements if it generates a box for child elements");
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if (hasChildBox || hasPseudoBox) {
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assert_equals(childWidth, pseudoWidth, "Child and pseudo sizes should match");
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}
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const expectedBox = element.style.appearance == "none" && (element.type == "checkbox" || element.type == "radio");
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assert_equals(hasPseudoBox, expectedBox, "Should only generate a box for appearance: none checkboxes/radio buttons");
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}, `${element.tagName} ${element.style.cssText} ${element.type || element.controls || ""}`);
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}
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</script>
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