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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html
parentInitial commit. (diff)
downloadfirefox-upstream.tar.xz
firefox-upstream.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html')
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1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html b/testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html
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--- /dev/null
+++ b/testing/web-platform/tests/preload/avoid-delaying-onload-link-modulepreload-exec.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="/preload/resources/preload_helper.js"></script>
+<link rel=modulepreload href="resources/slow-exec.js">
+<script>
+ setup(() => {
+ const link = window.document.createElement("link");
+ assert_implements(
+ 'relList' in link,
+ 'HTMLLinkElement.relList is not supported');
+
+ assert_implements(
+ link.relList.supports("modulepreload"),
+ 'modulepreload is not supported');
+ });
+
+ promise_test(async t => {
+ await new Promise(r => window.addEventListener("load", r));
+
+ assert_false(!!window.didLoadModule);
+ }, "Executing modulepreload should not block the window's load event");
+</script>