47 lines
1.4 KiB
HTML
47 lines
1.4 KiB
HTML
<!DOCTYPE html>
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<html>
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<meta charset="utf-8">
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<title>
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Test for Bug 1630819: Test we don't reframe the html element when
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inserting a block element into a display:table body element.
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</title>
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<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
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<link rel="author" title="Mozilla" href="http://www.mozilla.org/">
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script>
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SimpleTest.waitForExplicitFinish();
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const utils = SpecialPowers.getDOMWindowUtils(window);
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function runTest() {
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document.documentElement.offsetTop;
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const frameCountBeforeReframe = utils.framesConstructed;
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// We expect to construct one newly appended block, and the relevant pseudo
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// parents: TableRowGroup, TableRow, TableColGroup, TableCol, TableCell, and
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// TableCell's inner block.
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const expectedFrameConstructionCount = 1 + 6;
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let div = document.createElement("div");
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document.body.appendChild(div);
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document.documentElement.offsetTop;
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is(utils.framesConstructed - frameCountBeforeReframe,
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expectedFrameConstructionCount,
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"We shouldn't reframe <html> when appending a <div> into a display:table <body>!");
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SimpleTest.finish();
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}
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</script>
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<style>
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body {
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display: table;
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}
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</style>
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<body onload="runTest();"></body>
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</html>
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