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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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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/v2/inline-occlusion.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 '')
-rw-r--r-- | testing/web-platform/tests/intersection-observer/v2/inline-occlusion.html | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/v2/inline-occlusion.html b/testing/web-platform/tests/intersection-observer/v2/inline-occlusion.html new file mode 100644 index 0000000000..e4b097e62a --- /dev/null +++ b/testing/web-platform/tests/intersection-observer/v2/inline-occlusion.html @@ -0,0 +1,62 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="../resources/intersection-observer-test-utils.js"></script> + +<style> +body, html { + margin: 0; +} +pre, #log { + position: absolute; + top: 0; + left: 200px; +} +.testdiv { + font-size: 24px; +} +</style> + +<div class="testdiv">This is the <span id="target">target</span>.</div> +<div class="testdiv" id="occluder">This is the occluder.</div> + +<script> +var delay = 100; +var entries = []; +var target; +var occluder; + +runTestCycle(function() { + target = document.getElementById("target"); + occluder = document.getElementById("occluder"); + assert_true(!!target, "target exists"); + assert_true(!!occluder, "occluder exists"); + var observer = new IntersectionObserver(function(changes) { + entries = entries.concat(changes) + }, {trackVisibility: true, delay: delay}); + observer.observe(target); + entries = entries.concat(observer.takeRecords()); + assert_equals(entries.length, 0, "No initial notifications."); + runTestCycle(step0, "First rAF.", delay); +}, "IntersectionObserverV2 in a single document using the implicit root, with an occluding element.", delay); + +function step0() { + occluder.style.marginTop = "-10px"; + runTestCycle(step1, "occluder.style.marginTop = '-10px'", delay); + assert_equals(entries.length, 1); + assert_true(entries[0].isVisible); +} + +function step1() { + // Occluding elements with opacity=0 should not affect target visibility. + occluder.style.opacity = "0"; + runTestCycle(step2, "occluder.style.opacity = 0", delay); + assert_equals(entries.length, 2); + assert_false(entries[1].isVisible); +} + +function step2() { + assert_equals(entries.length, 3); + assert_true(entries[2].isVisible); +} +</script> |