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Bug 1584586 [wpt PR 19374] - [LayoutNG] testcase for codependent scrollbars, a=testonly
Automatic update from web-platform-tests [LayoutNG] testcase for codependent scrollbars Just a testcase, because the bug cannot be fixed at this time. Aborted attempt to fix this is at: https://chromium-review.googlesource.com/c/chromium/src/+/1820177/4 Bug: 1007065 Change-Id: I44195ec77cc8b0924c81a567a9505e8a77f7d492 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1829878 Auto-Submit: Aleks Totic <atotic@chromium.org> Commit-Queue: Ian Kilpatrick <ikilpatrick@chromium.org> Reviewed-by: Ian Kilpatrick <ikilpatrick@chromium.org> Cr-Commit-Position: refs/heads/master@{#701345} -- wpt-commits: e2f322248d49cfb11a1bbfebc49f4661b913dd96 wpt-pr: 19374
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<!DOCTYPE html>
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<link rel="author" href="mailto:atotic@google.com">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#scrollable">
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<meta name="assert" content="What happens when appearance of one scrollbar triggers the other one?">
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<style>
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.container {
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width: 100px;
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height: 100px;
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overflow: auto;
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background: #DDD;
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--too-big: 120px;
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--slightly-smaller: 95px;
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}
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.target {
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width: 120px;
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height: 95px;
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background: rgba(0,255,0,0.3);
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}
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</style>
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<!-- -->
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<div class="container">
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<div class="target" style="width:var(--too-big);height:var(--slightly-smaller)" ></div>
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</div>
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<div class="container">
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<div class="target" style="height:var(--too-big);width:var(--slightly-smaller)" ></div>
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</div>
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<script>
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test(() => {
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Array.from(document.querySelectorAll(".container")).forEach( el => {
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let verticalScrollbar = el.offsetWidth - el.clientWidth;
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let horizontalScrollbar = el.offsetHeight - el.clientHeight;
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assert_equals(verticalScrollbar, horizontalScrollbar, "both scrollbars are visible.");
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});
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}, 'appearance of one scrollbar caused the other scrollbar to appear.');
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</script>
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