Helmut Januschka
dc334a8ed1
Automatic update from web-platform-tests Add JPEG XL interop-2026 coverage and decoder tests Introduce automated interop WPT coverage and strengthen Blink JXL decoder unit tests for orientation, ICC/CMYK, and high bit-depth fixtures. Bug: 484065185 Change-Id: Ie5f33c477b616e03b3f3a21d006c6ae1da09294e Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/7572466 Commit-Queue: Philip Jägenstedt <foolip@chromium.org> Reviewed-by: Philip Jägenstedt <foolip@chromium.org> Cr-Commit-Position: refs/heads/main@{#1598968} -- wpt-commits: e1d141414f248bfe6653ca049bf70db7146ecf8d wpt-pr: 58481
37 lines
1.2 KiB
HTML
37 lines
1.2 KiB
HTML
<!DOCTYPE html>
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<title>JPEG XL integration: link rel=preload as=image</title>
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<link rel="help" href="https://github.com/web-platform-tests/interop-jpegxl">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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promise_test(async () => {
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const href = new URL('resources/3x3_srgb_lossless.jxl', location.href).toString();
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const preload = document.createElement('link');
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preload.rel = 'preload';
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preload.as = 'image';
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preload.href = href;
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const preloadDone = new Promise((resolve, reject) => {
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preload.onload = resolve;
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preload.onerror = () => reject(new Error('preload failed'));
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});
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document.head.appendChild(preload);
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await preloadDone;
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const img = new Image();
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const loaded = new Promise((resolve, reject) => {
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img.onload = resolve;
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img.onerror = () => reject(new Error('image failed after preload'));
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});
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img.src = href;
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await loaded;
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assert_greater_than(img.naturalWidth, 0);
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assert_true(performance.getEntriesByName(href).length > 0,
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'resource timing should include the JPEG XL image request');
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}, '<link rel=preload as=image> preloads JPEG XL image');
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</script>
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