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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/largest-contentful-paint/iframe-content-not-observed.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/largest-contentful-paint/iframe-content-not-observed.html')
| -rw-r--r-- | testing/web-platform/tests/largest-contentful-paint/iframe-content-not-observed.html | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/testing/web-platform/tests/largest-contentful-paint/iframe-content-not-observed.html b/testing/web-platform/tests/largest-contentful-paint/iframe-content-not-observed.html new file mode 100644 index 0000000000..e605e9f21f --- /dev/null +++ b/testing/web-platform/tests/largest-contentful-paint/iframe-content-not-observed.html @@ -0,0 +1,25 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<head> +<title>Largest Contentful Paint: do NOT observe elements from same-origin iframes</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +</head> +<body> +<script> + async_test((t) => { + assert_implements(window.LargestContentfulPaint, "LargestContentfulPaint is not implemented"); + const observer = new PerformanceObserver( + t.step_func_done(entryList => { + assert_unreached("Should not have received an entry!"); + }) + ); + observer.observe({type: 'largest-contentful-paint', buffered: true}); + // After a delay, assume that no entry was produced. + t.step_timeout(() => { + t.done(); + }, 200); + }, 'Element in child iframe is not observed, even if same-origin.'); +</script> +<iframe src='resources/iframe-with-content.html'></iframe> +</body> |