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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/image-not-fully-visible.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/element-timing/image-not-fully-visible.html')
| -rw-r--r-- | testing/web-platform/tests/element-timing/image-not-fully-visible.html | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/element-timing/image-not-fully-visible.html b/testing/web-platform/tests/element-timing/image-not-fully-visible.html new file mode 100644 index 0000000000..504d17592f --- /dev/null +++ b/testing/web-platform/tests/element-timing/image-not-fully-visible.html @@ -0,0 +1,47 @@ +<!DOCTYPE HTML> +<meta charset=utf-8> +<title>Element Timing: intersectionRect when image overflows</title> +<body> +<style> +body { + margin: 200px 100px; +} +</style> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="resources/element-timing-helpers.js"></script> +<script> + let beforeRender; + let img; + 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/square20.png'; + checkElement(entry, pathname, 'not_fully_visible', '', beforeRender, img); + // Image will not be fully visible. It should start from the top left part + // of the document, excluding the margin, and then overflow. + checkRect(entry, + [100, document.documentElement.clientWidth, 200, document.documentElement.clientHeight]); + checkNaturalSize(entry, 20, 20); + }) + ); + 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 an image setting width and height equal to viewport. + img = document.createElement('img'); + img.src = 'resources/square20.png'; + img.setAttribute('elementtiming', 'not_fully_visible'); + img.width = document.documentElement.clientWidth; + img.height = document.documentElement.clientHeight; + document.body.appendChild(img); + beforeRender = performance.now(); + }; + }, 'The intersectionRect of an img element overflowing is computed correctly'); +</script> + +</body> |