diff options
| 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/element-timing/observe-shadow-text.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-upstream.tar.xz thunderbird-upstream.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/element-timing/observe-shadow-text.html')
| -rw-r--r-- | testing/web-platform/tests/element-timing/observe-shadow-text.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/observe-shadow-text.html b/testing/web-platform/tests/element-timing/observe-shadow-text.html new file mode 100644 index 0000000000..6e6347e60d --- /dev/null +++ b/testing/web-platform/tests/element-timing/observe-shadow-text.html @@ -0,0 +1,37 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Element Timing: do not observe text 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 text elements in shadow trees!'); + }) + ); + observer.observe({entryTypes: ['element']}); + // We add the text during onload to be sure that the observer is registered + // in time for it to observe the element timing. + window.onload = () => { + // Add text of width equal to 100 and height equal to 100. + const text = document.createElement('p'); + text.innerHTML = 'Text'; + text.setAttribute('elementtiming', 'my_text'); + const shadowRoot = document.getElementById('target').attachShadow({mode: 'open'}); + shadowRoot.appendChild(text); + t.step_timeout(() => { + // Assume entry was not dispatched, so test passes. + t.done(); + }, 500); + }; + }, 'Text in shadow tree with elementtiming attribute is not observable.'); +</script> |