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-rw-r--r-- | testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html new file mode 100644 index 0000000000..9a1e077de0 --- /dev/null +++ b/testing/web-platform/tests/css/css-anchor-position/position-visibility-anchors-visible-chained-003.html @@ -0,0 +1,77 @@ +<!DOCTYPE html> +<html class=reftest-wait> +<meta charset="utf-8"> +<title>CSS Anchor Positioning Test: position-visibility: anchors-visible</title> +<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/7758"> +<link rel="match" href="position-visibility-anchors-visible-after-scroll-out-ref.html"> +<script src="/common/reftest-wait.js"></script> +<script src="/common/rendering-utils.js"></script> +<style> + #scroll-container { + overflow: hidden scroll; + width: 300px; + height: 100px; + } + + #anchor1 { + anchor-name: --a1; + width: 100px; + height: 100px; + background: orange; + } + + .spacer { + height: 100px; + } + + #anchor2 { + anchor-name: --a2; + position-anchor: --a1; + } + + #anchor3 { + anchor-name: --a3; + position-anchor: --a2; + } + + #anchor4 { + anchor-name: --a4; + position-anchor: --a3; + } + + .anchored { + position-visibility: anchors-visible; + inset-area: bottom; + width: 100px; + height: 50px; + background: red; + position: absolute; + top: 0; + left: 0; + } + + #target { + position-anchor: --a4; + } +</style> + +<div id="scroll-container"> + <div id="anchor1">anchor1</div> + <div class="spacer"></div> + <div id="anchor2" class="anchored">anchor2</div> + <div id="anchor3" class="anchored">anchor3</div> + <div id="anchor4" class="anchored">anchor4</div> + <div id="target" class="anchored">target</div> +</div> + +<script> + // #target should be initially visible because it is anchored to #anchor2 + // which is chained to #anchor1 and both anchors are visible. + waitForAtLeastOneFrame().then(() => { + // Scroll #anchor1 so that it is out of view. + document.getElementById('scroll-container').scrollTop = 100; + + // #target should now be invisible. + takeScreenshot(); + }); +</script> |