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Diffstat (limited to 'testing/web-platform/tests/css/css-break/transform-010.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-break/transform-010.html | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-break/transform-010.html b/testing/web-platform/tests/css/css-break/transform-010.html new file mode 100644 index 0000000000..8418551cdc --- /dev/null +++ b/testing/web-platform/tests/css/css-break/transform-010.html @@ -0,0 +1,33 @@ +<!DOCTYPE html> +<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org"> +<link rel="help" href="https://drafts.csswg.org/css-break/#transforms"> +<div id="container" style="width:300px; overflow-x:scroll;"> + <div style="columns:3; column-gap:0; column-fill:auto; height:100px;"> + <div> + <div id="target" style="transform:translateX(0); width:100px; height:150px;"></div> + </div> + </div> +</div> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script> + test(()=> { + // We have three columns. The column width is 100px. + // #target occurs in the first two columns. + assert_equals(container.scrollWidth, 300); + + // This shouldn't affect the size of the scrollable area, since everything + // still fits within the scrollport. + target.style.transform = "translateX(100px)"; + assert_equals(container.scrollWidth, 300); + + // #target should now overflow the scrollport. + target.style.transform = "translateX(200px)"; + assert_equals(container.scrollWidth, 400); + + // Check that we're not stuck with the overflow. + target.style.transform = "translateX(100px)"; + assert_equals(container.scrollWidth, 300); + }, "Changing a transformed element should update overflow area."); +</script> |