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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/preload/link-header-preload-imagesrcset.html
parentInitial commit. (diff)
downloadfirefox-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/link-header-preload-imagesrcset.html')
-rw-r--r--testing/web-platform/tests/preload/link-header-preload-imagesrcset.html56
1 files changed, 56 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/link-header-preload-imagesrcset.html b/testing/web-platform/tests/preload/link-header-preload-imagesrcset.html
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+++ b/testing/web-platform/tests/preload/link-header-preload-imagesrcset.html
@@ -0,0 +1,56 @@
+<!DOCTYPE html>
+<title>Makes sure that Link headers preload images with imagesrcset/imagesizes attributes.</title>
+<link rel="help" href="https://github.com/w3c/preload/issues/120">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/preload/resources/preload_helper.js"></script>
+<body>
+<script>
+ setup({single_test: true});
+
+ var iterations = 0;
+ var expectation = new Array(10).fill(0);
+ if (window.devicePixelRatio < 1.5) {
+ expectation[0] = expectation[5] = expectation[8] = 1;
+ } else if (window.devicePixelRatio >= 1.5) {
+ expectation[1] = expectation[6] = expectation[9] = 1;
+ }
+
+ function check_finished() {
+ if (numberOfResourceTimingEntries('resources/square.png?from-header&1x') == expectation[0] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&2x') == expectation[1] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&3x') == expectation[2] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&base') == expectation[3] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&200') == expectation[4] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&400') == expectation[5] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&800') == expectation[6] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&150') == expectation[7] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&300') == expectation[8] &&
+ numberOfResourceTimingEntries('resources/square.png?from-header&600') == expectation[9]) {
+ done();
+ }
+ iterations++;
+ if (iterations == 10) {
+ // At least one is expected to fail, but this should give details to the exact failure(s).
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&1x', expectation[0]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&2x', expectation[1]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&3x', expectation[2]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&base', expectation[3]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&200', expectation[4]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&400', expectation[5]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&800', expectation[6]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&150', expectation[7]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&300', expectation[8]);
+ verifyNumberOfResourceTimingEntries('resources/square.png?from-header&600', expectation[9]);
+ done();
+ } else {
+ step_timeout(check_finished, 500);
+ }
+ }
+
+ window.addEventListener("load", function() {
+ verifyPreloadAndRTSupport();
+ step_timeout(check_finished, 500);
+ });
+</script>
+</body>