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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/layout-instability/mousemove-becomes-drag.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.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 '')
| -rw-r--r-- | testing/web-platform/tests/layout-instability/mousemove-becomes-drag.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/layout-instability/mousemove-becomes-drag.html b/testing/web-platform/tests/layout-instability/mousemove-becomes-drag.html new file mode 100644 index 0000000000..df4a416c81 --- /dev/null +++ b/testing/web-platform/tests/layout-instability/mousemove-becomes-drag.html @@ -0,0 +1,62 @@ +<!DOCTYPE html> +<title>Layout Instability: no shift in mouse moves with a button pressed</title> +<link rel="help" href="https://wicg.github.io/layout-instability/" /> +<style> + +body { margin: 0; height: 2000px; } +#draggable { + top:50px; + left:50px; + width:50px; + height:50px; + background-color:blue; + position:absolute +} + +</style> +<div id="draggable" ></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 draggable = document.getElementById("draggable"); +draggable.addEventListener('mousemove', function(event) { + // Move the element when the mouse moves. + draggable.style.top = event.pageY - 25 + 'px'; + event.preventDefault(); +}, false); + +generateMouseMoveSequence = () => new test_driver.Actions() + .pointerMove(0, 0, {origin: draggable}) + .pointerDown() + .pointerMove(0, 15, {origin: draggable}) + .pause(100) + .pointerMove(0, 30, {origin: draggable}) + .pause(100) + .pointerMove(0, 45, {origin: draggable}) + .pause(100) + .pointerUp() + .pause(100); + +promise_test(async () => { + + const watcher = new ScoreWatcher; + + // Wait for the initial render to complete. + await waitForAnimationFrames(2); + + // Send pointer events for a sequence of mouse actions, mouse down, mouse moves and mouse up. + await generateMouseMoveSequence().send(); + + // Mouse moves which drag the objects should be counted as the excluding inputs + // for the layout shift. + assert_greater_than(watcher.score, 0); + assert_equals(watcher.scoreWithInputExclusion, 0); + +}, "No layout shift when mouse moves with a button pressed."); + +</script> |