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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/layout-instability/pointerdown-becomes-scroll.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.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/layout-instability/pointerdown-becomes-scroll.html')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/pointerdown-becomes-scroll.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/pointerdown-becomes-scroll.html b/testing/web-platform/tests/layout-instability/pointerdown-becomes-scroll.html new file mode 100644 index 0000000000..4fe5c6b7e7 --- /dev/null +++ b/testing/web-platform/tests/layout-instability/pointerdown-becomes-scroll.html @@ -0,0 +1,62 @@ +<!DOCTYPE html> +<title>Layout Instability: shift in pointerdown becoming scroll</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<style> + +body { margin: 0; height: 2000px; } +#box { + left: 0px; + top: 0px; + width: 400px; + height: 500px; + background: yellow; + position: relative; +} + +</style> +<div id="box"></div> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/resources/testdriver.js"></script> +<script src="/resources/testdriver-actions.js"></script> +<script src="/resources/testdriver-vendor.js"></script> +<script src="resources/util.js"></script> +<script> + +const box = document.querySelector("#box"); +box.addEventListener("pointerdown", (e) => { + // Generate a layout shift before we know what type of input this pointer + // event sequence will become. + box.style.top = "100px"; + e.preventDefault(); +}); + +generateScrollSequence = () => new test_driver.Actions() + .addPointer("tp1", "touch") + .pointerMove(0, 100, {sourceName: "tp1"}) + .pointerDown({sourceName: "tp1"}) + .pointerMove(0, 0, {sourceName: "tp1"}) + .pause(100) + .pointerUp({sourceName: "tp1"}) + .pause(100); + +promise_test(async () => { + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + + // Send pointer events for a touch scroll. + await generateScrollSequence().send(); + + // The box is 400 x 500 and moves by 100px. + const expectedScore = computeExpectedScore(400 * (500 + 100), 100); + + // Both scores should increase (scroll doesn't count as input for the purpose + // of the LayoutShift.hadRecentInput bit). + assert_equals(watcher.score, expectedScore); + assert_equals(watcher.scoreWithInputExclusion, expectedScore); + +}, "Shift in pointerdown reported when it becomes a scroll."); + +</script> |