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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/disconnect.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/disconnect.html')
| -rw-r--r-- | testing/web-platform/tests/intersection-observer/disconnect.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/testing/web-platform/tests/intersection-observer/disconnect.html b/testing/web-platform/tests/intersection-observer/disconnect.html new file mode 100644 index 0000000000..9c02dafabe --- /dev/null +++ b/testing/web-platform/tests/intersection-observer/disconnect.html @@ -0,0 +1,54 @@ +<!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; +} +.spacer { + height: calc(100vh + 100px); +} +#target { + width: 100px; + height: 100px; + background-color: green; +} +</style> + +<div class="spacer"></div> +<div id="target"></div> +<div class="spacer"></div> + +<script> +var entries = []; +var observer; +var target; + +runTestCycle(function() { + target = document.getElementById("target"); + assert_true(!!target, "target exists"); + observer = new IntersectionObserver(function(changes) { + entries = entries.concat(changes) + }); + observer.observe(target); + entries = entries.concat(observer.takeRecords()); + assert_equals(entries.length, 0, "No initial notifications."); + runTestCycle(step0, "First rAF."); +}, "IntersectionObserver should not deliver pending notifications after disconnect()."); + +function step0() { + runTestCycle(step1, "observer.disconnect()"); + document.scrollingElement.scrollTop = 300; + observer.disconnect(); + assert_equals(entries.length, 1, "Initial notification."); +} + +function step1() { + assert_equals(entries.length, 1, "No new notifications."); +} +</script> |