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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
| commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
| tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html | |
| parent | Initial commit. (diff) | |
| download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip | |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html')
| -rw-r--r-- | testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html b/testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html new file mode 100644 index 0000000000..6188355e26 --- /dev/null +++ b/testing/web-platform/tests/preload/dynamic-adding-preload-imagesrcset.html @@ -0,0 +1,36 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/preload/resources/preload_helper.js"></script> +<script> + var t = async_test('Makes sure that a dynamically added preload with imagesrcset works'); +</script> +<body> +<script> + t.step(function() { + verifyPreloadAndRTSupport(); + var expectation = new Array(4).fill(0); + if (window.devicePixelRatio < 1.5) { + expectation[2] = 1; + } else if (window.devicePixelRatio >= 1.5) { + expectation[3] = 1; + } + var link = document.createElement("link"); + link.as = "image"; + link.rel = "preload"; + link.href = "resources/square.png?default"; + link.imageSrcset = "resources/square.png?200 200w, resources/square.png?400 400w, resources/square.png?800 800w"; + link.imageSizes = "400px"; + link.onload = t.step_func(function() { + t.step_timeout(function() { + verifyNumberOfResourceTimingEntries("resources/square.png?default", expectation[0]); + verifyNumberOfResourceTimingEntries("resources/square.png?200", expectation[1]); + verifyNumberOfResourceTimingEntries("resources/square.png?400", expectation[2]); + verifyNumberOfResourceTimingEntries("resources/square.png?800", expectation[3]); + t.done(); + }, 0); + }); + document.body.appendChild(link); + }); +</script> +</body> |