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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/single-download-late-used-preload.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/single-download-late-used-preload.html')
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diff --git a/testing/web-platform/tests/preload/single-download-late-used-preload.html b/testing/web-platform/tests/preload/single-download-late-used-preload.html
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+++ b/testing/web-platform/tests/preload/single-download-late-used-preload.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<title>Ensure preloaded resources are not downloaded again when used</title>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/preload/resources/preload_helper.js"></script>
+<link rel=preload href="resources/square.png?pipe=trickle(d1)" as=image>
+<script>
+ setup({ single_test: true });
+ var link = document.getElementsByTagName("link")[0]
+ assert_equals(link.as, "image");
+ link.addEventListener("load", () => {
+ verifyPreloadAndRTSupport();
+ verifyNumberOfResourceTimingEntries("resources/square.png?pipe=trickle(d1)", 1);
+ var img = document.createElement("img");
+ img.src = "resources/square.png?pipe=trickle(d1)";
+ img.onload = () => {
+ verifyLoadedAndNoDoubleDownload("resources/square.png?pipe=trickle(d1)");
+ done();
+ };
+ document.body.appendChild(img);
+ });
+</script>
+<body>