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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html | |
| parent | Initial commit. (diff) | |
| download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip | |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html')
| -rw-r--r-- | testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html b/testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html new file mode 100644 index 0000000000..5c24527cf5 --- /dev/null +++ b/testing/web-platform/tests/paint-timing/with-first-paint/first-image-child.html @@ -0,0 +1,45 @@ +<!DOCTYPE html> +<head> +<title>Performance Paint Timing Test: child ignores parent FCP</title> +<meta name="timeout" content="long"> +</head> +<body> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<iframe src='../resources/subframe-sending-paint.html' id='child-iframe'></iframe> +<img src='../resources/circles.png'/> +<script> +setup({"hide_test_state": true}); +async_test(function (t) { + assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); + + window.addEventListener('message', t.step_func(e => { + // Child iframe should not have any paint-timing entries. + assert_equals(e.data, '0'); + t.done(); + })); + // Wait for onload to ensure img and iframe have loaded. + window.addEventListener('load', function() { + function testPaintEntries() { + const bufferedEntries = performance.getEntriesByType('paint'); + if (bufferedEntries.length < 2) { + t.step_timeout(testPaintEntries, 20); + return; + } + t.step(function() { + assert_equals(bufferedEntries.length, 2, 'There should be two paint timing instances.'); + assert_equals(bufferedEntries[0].entryType, 'paint'); + assert_equals(bufferedEntries[0].name, 'first-paint'); + assert_equals(bufferedEntries[1].entryType, 'paint'); + assert_equals(bufferedEntries[1].name, 'first-contentful-paint'); + // Ask child iframe to send its paint-timing entries. + document.getElementById('child-iframe'). + contentWindow.postMessage('', '*'); + }) + } + testPaintEntries(); + }); +}, 'Child iframe ignores paint-timing events fired from parent image rendering.'); +</script> +</body> +</html> |