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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/element-timing/observe-shadow-image.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/element-timing/observe-shadow-image.html | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/observe-shadow-image.html b/testing/web-platform/tests/element-timing/observe-shadow-image.html new file mode 100644 index 0000000000..e2a81d6244 --- /dev/null +++ b/testing/web-platform/tests/element-timing/observe-shadow-image.html @@ -0,0 +1,38 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Element Timing: do not observe image in shadow tree</title> +<style> +body { + margin: 0; +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/element-timing-helpers.js"></script> +<div id='target'></div> +<script> + async_test(function (t) { + assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented"); + const observer = new PerformanceObserver( + t.step_func_done(function(entryList) { + assert_unreached('Should not observe elements in shadow trees!'); + }) + ); + observer.observe({entryTypes: ['element']}); + // We add the image during onload to be sure that the observer is registered + // in time for it to observe the element timing. + window.onload = () => { + // Add image of width equal to 100 and height equal to 100. + const img = document.createElement('img'); + img.src = 'resources/square100.png'; + img.setAttribute('elementtiming', 'my_image'); + img.setAttribute('id', 'my_id'); + const shadowRoot = document.getElementById('target').attachShadow({mode: 'open'}); + shadowRoot.appendChild(img); + t.step_timeout(() => { + // Assume entry was not dispatched, so test passes. + t.done(); + }, 500); + }; + }, 'Image in shadow tree with elementtiming attribute is not observable.'); +</script> |