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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/element-timing/background-image-stretched.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/element-timing/background-image-stretched.html')
| -rw-r--r-- | testing/web-platform/tests/element-timing/background-image-stretched.html | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/background-image-stretched.html b/testing/web-platform/tests/element-timing/background-image-stretched.html new file mode 100644 index 0000000000..3ad8976ccf --- /dev/null +++ b/testing/web-platform/tests/element-timing/background-image-stretched.html @@ -0,0 +1,39 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Element Timing: observe larger element with stretched background image</title> +<body> +<style> +body { + margin: 0; +} +#target { + width: 200px; + height: 150px; + background-image: url('resources/square100.png'); +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/element-timing-helpers.js"></script> +<script> + let beforeRender = performance.now(); + async_test(function (t) { + assert_implements(window.PerformanceElementTiming, "PerformanceElementTiming is not implemented"); + const observer = new PerformanceObserver( + t.step_func_done(function(entryList) { + assert_equals(entryList.getEntries().length, 1); + const entry = entryList.getEntries()[0]; + const pathname = window.location.origin + '/element-timing/resources/square100.png'; + checkElement(entry, pathname, 'my_div', 'target', beforeRender, + document.getElementById('target')); + // The background image extends to occupy to full size of the div. + checkRect(entry, [0, 200, 0, 150]); + // The natural size of the square remains unchanged. + checkNaturalSize(entry, 100, 100); + }) + ); + observer.observe({entryTypes: ['element']}); + }, 'Element with background image shows correct image size.'); +</script> +<div id='target' elementtiming='my_div'></div> +</body> |