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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-delay-onload.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-delay-onload.html')
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diff --git a/testing/web-platform/tests/preload/link-header-preload-delay-onload.html b/testing/web-platform/tests/preload/link-header-preload-delay-onload.html
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+++ b/testing/web-platform/tests/preload/link-header-preload-delay-onload.html
@@ -0,0 +1,40 @@
+<!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 Link headers preload resources and block window.onload after resource discovery');
+</script>
+<body>
+<style>
+ #background {
+ width: 200px;
+ height: 200px;
+ background-image: url(resources/square.png?background);
+ }
+</style>
+<link rel="stylesheet" href="resources/dummy.css?link-header-preload-delay-onload">
+<script src="resources/dummy.js?link-header-preload-delay-onload"></script>
+<div id="background"></div>
+<script>
+ document.write('<img src="resources/square.png?link-header-preload-delay-onload">');
+ window.addEventListener("load", t.step_func(function() {
+ verifyPreloadAndRTSupport();
+ var entries = performance.getEntriesByType("resource");
+ var found_background_first = false;
+ for (var i = 0; i < entries.length; ++i) {
+ var entry = entries[i];
+ if (entry.name.indexOf("square") != -1) {
+ if (entry.name.indexOf("background") != -1)
+ found_background_first = true;
+ break;
+ }
+ }
+ assert_true(found_background_first);
+ verifyLoadedAndNoDoubleDownload("resources/square.png?link-header-preload-delay-onload");
+ verifyLoadedAndNoDoubleDownload("resources/square.png?background");
+ verifyLoadedAndNoDoubleDownload("resources/dummy.js?link-header-preload-delay-onload");
+ verifyLoadedAndNoDoubleDownload("resources/dummy.css?link-header-preload-delay-onload");
+ t.done();
+ }));
+</script>