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Diffstat (limited to 'testing/web-platform/tests/css/css-overflow/overflow-codependent-scrollbars.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-overflow/overflow-codependent-scrollbars.html | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-overflow/overflow-codependent-scrollbars.html b/testing/web-platform/tests/css/css-overflow/overflow-codependent-scrollbars.html new file mode 100644 index 0000000000..eb0e4f5ea2 --- /dev/null +++ b/testing/web-platform/tests/css/css-overflow/overflow-codependent-scrollbars.html @@ -0,0 +1,38 @@ +<!DOCTYPE html> +<link rel="author" href="mailto:atotic@google.com"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" href="https://www.w3.org/TR/css-overflow-3/#scrollable"> +<meta name="assert" content="What happens when appearance of one scrollbar triggers the other one?"> +<style> +.container { + width: 100px; + height: 100px; + overflow: auto; + background: #DDD; + --too-big: 120px; + --slightly-smaller: 95px; +} +.target { + width: 120px; + height: 95px; + background: rgba(0,255,0,0.3); +} +</style> +<!-- --> +<div class="container"> + <div class="target" style="width:var(--too-big);height:var(--slightly-smaller)" ></div> +</div> +<div class="container"> + <div class="target" style="height:var(--too-big);width:var(--slightly-smaller)" ></div> +</div> + +<script> +test(() => { + Array.from(document.querySelectorAll(".container")).forEach( el => { + let verticalScrollbar = el.offsetWidth - el.clientWidth; + let horizontalScrollbar = el.offsetHeight - el.clientHeight; + assert_equals(verticalScrollbar, horizontalScrollbar, "both scrollbars are visible."); + }); +}, 'appearance of one scrollbar caused the other scrollbar to appear.'); +</script> |