47 lines
2 KiB
HTML
47 lines
2 KiB
HTML
<!doctype html>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="author" title="Emilio Cobos Álvarez" href="mailto:emilio@crisal.io">
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<link rel="author" title="Mozilla" href="https://mozilla.org">
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<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollwidth">
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<link rel="help" href="https://drafts.csswg.org/cssom-view/#dom-element-scrollheight">
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<link rel="help" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1931490">
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<title>scroll{Width,Height} with contain: layout</title>
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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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#target {
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contain: layout;
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height: 0;
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width: 0;
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}
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</style>
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<div id="target">
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<div style="height: 2000px"></div>
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</div>
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<script>
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let target = document.getElementById("target");
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// "clip" is not really scrollable, but should match as well.
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for (let overflow of ["hidden", "auto", "scroll", "clip"]) {
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for (let padding of ["0", "2px"]) {
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for (let border of ["0", "3px solid"]) {
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for (let display of ["flex", "block", "flow-root", "inline-block", "inline-flex", "grid", "inline-grid", "inline"]) {
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test(function() {
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target.style.display = display;
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target.style.border = border;
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target.style.padding = padding;
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let visibleH = target.scrollHeight;
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let visibleW = target.scrollWidth;
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target.style.overflow = overflow;
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let scrollableH = target.scrollHeight;
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let scrollableW = target.scrollWidth;
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assert_equals(visibleH, scrollableH, "scrollHeight should match for visible and " + overflow);
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assert_equals(visibleW, scrollableW, "scrollWidth should match for visible and " + overflow);
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target.style.overflow = "";
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target.style.display = "";
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}, `scroll{Width,Height} should match with contain: layout for display: ${display}, overflow: ${overflow}, padding: ${padding}, border: ${border}`);
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}
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}
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}
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}
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</script>
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