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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html b/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html new file mode 100644 index 0000000000..90762f3345 --- /dev/null +++ b/testing/web-platform/tests/css/css-contain/content-visibility/content-visibility-068.html @@ -0,0 +1,103 @@ +<!doctype HTML> +<html> +<meta charset="utf8"> +<title>Content Visibility: off-screen focus</title> +<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org"> +<link rel="help" href="https://drafts.csswg.org/css-contain/#content-visibility"> +<meta name="assert" content="content-visibility auto element remains non-skipped when elements in its subtree have focus."> + +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> + +<style> +body, html { + padding: 0; + margin: 0; +} + +.spacer { + height: 3000px; + background: lightblue; +} +#container { + background: lightgreen; + contain-intrinsic-size: 50px 100px; + content-visibility: auto; +} +#focusable { + width: 10px; + height: 10px; +} +</style> + +<div id=end tabindex=1></div> +<div class=spacer></div> +<div id=container> + <div id=focusable tabindex=0></div> +</div> +<div class=spacer></div> + +<script> +async_test((t) => { + // Initially container should be 3000px offscreen with contained height 100px. + function step1() { + const r = container.getBoundingClientRect(); + t.step(() => { + assert_equals(r.y, 3000, "step1 offset"); + assert_equals(r.height, 100, "step1 height"); + }); + + focusable.focus(); + requestAnimationFrame(step2); + } + // After focusing the subtree, the container should be somewhere closer than + // 3000px (scrolled into view) and the height should be 10px, since it no + // longer has containment. + function step2() { + const r = container.getBoundingClientRect(); + t.step(() => { + assert_less_than(r.y, 3000, "step2 offset"); + assert_equals(r.height, 10, "step2 height"); + }); + document.scrollingElement.scrollTop = 0; + requestAnimationFrame(step3); + } + // After scrolling the document back to the top, the container should be back + // at 3000px but because its subtree is still focused, it should have height + // 10px. + function step3() { + const r = container.getBoundingClientRect(); + t.step(() => { + assert_equals(r.y, 3000, "step3 offset"); + assert_equals(r.height, 10, "step3 height"); + }); + requestAnimationFrame(step4); + } + // This is a repeat of step3, to ensure that this is a stable state. + function step4() { + const r = container.getBoundingClientRect(); + t.step(() => { + assert_equals(r.y, 3000, "step4 offset"); + assert_equals(r.height, 10, "step4 height"); + }); + + // We don't use `blur()` here because in Gecko this leaves the selection + // on _focusable_ which means that its content is still relevant. Focusing + // another element will move both focus and selection. + end.focus(); + requestAnimationFrame(step5); + } + // After blurring the focused element, we should go back to the contained + // height of 100px. + function step5() { + const r = container.getBoundingClientRect(); + t.step(() => { + assert_equals(r.y, 3000, "step5 offset"); + assert_equals(r.height, 100, "step5 height"); + }); + t.done(); + } + step1(); +}); +</script> +</html> |