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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/intersection-observer/bounding-box.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/intersection-observer/bounding-box.html')
| -rw-r--r-- | testing/web-platform/tests/intersection-observer/bounding-box.html | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/bounding-box.html b/testing/web-platform/tests/intersection-observer/bounding-box.html new file mode 100644 index 0000000000..367243d558 --- /dev/null +++ b/testing/web-platform/tests/intersection-observer/bounding-box.html @@ -0,0 +1,85 @@ +<!DOCTYPE html> +<meta name="viewport" content="width=device-width,initial-scale=1"> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="./resources/intersection-observer-test-utils.js"></script> + +<style> +pre, #log { + position: absolute; + top: 0; + left: 200px; +} +#root { + overflow: visible; + height: 200px; + width: 160px; + border: 8px solid black; +} +#target { + margin: 10px; + width: 100px; + height: 100px; + padding: 10px; + background-color: green; +} +</style> + +<div id="root"> + <div id="target" style="transform: translateY(300px)"></div> +</div> + +<script> +var entries = []; +var target; + +runTestCycle(function() { + target = document.getElementById("target"); + assert_true(!!target, "target exists"); + var root = document.getElementById("root"); + assert_true(!!root, "root exists"); + var observer = new IntersectionObserver(function(changes) { + entries = entries.concat(changes) + }, {root: root}); + observer.observe(target); + entries = entries.concat(observer.takeRecords()); + assert_equals(entries.length, 0, "No initial notifications."); + runTestCycle(step0, "First rAF."); +}, "Test that the target's border bounding box is used to calculate intersection."); + +function step0() { + var targetBounds = clientBounds(target); + target.style.transform = "translateY(195px)"; + runTestCycle(step1, "target.style.transform = 'translateY(195px)'"); + checkLastEntry(entries, 0, targetBounds.concat(0, 0, 0, 0, 8, 184, 8, 224, false)); +} + +function step1() { + var targetBounds = clientBounds(target); + target.style.transform = "translateY(300px)"; + runTestCycle(step2, "target.style.transform = 'translateY(300px)'"); + checkLastEntry(entries, 1, targetBounds.concat(26, 146, 221, 224, 8, 184, 8, 224, true)); +} + +function step2() { + var targetBounds = clientBounds(target); + target.style.transform = ""; + target.style.zoom = "2"; + runTestCycle(step3, "target.style.zoom = 2"); + checkLastEntry(entries, 2, targetBounds.concat(0, 0, 0, 0, 8, 184, 8, 224, false)); +} + +function step3() { + var targetBounds = clientBounds(target); + var intersectionWidth = ( + 176 // root width including border + -8 // root left border + -20 // target left margin * target zoom + ) / 2; // convert to target's zoom factor. + var intersectionHeight = (216 - 8 - 20) / 2; + var intersectionRect = [targetBounds[0], targetBounds[0] + intersectionWidth, + targetBounds[2], targetBounds[2] + intersectionHeight]; + checkLastEntry(entries, 3, targetBounds.concat(intersectionRect).concat(8, 184, 8, 224, true)); +} + +</script> |