Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Test the supported values of <link rel=preload as> #45200

Merged
merged 3 commits into from
Mar 19, 2024
Merged

Test the supported values of <link rel=preload as> #45200

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cea7f50
Test the supported values of <link rel=preload as>
noamr Mar 19, 2024
a393ebb
Remove spurious things
noamr Mar 19, 2024
31626c8
Use step_timeout
noamr Mar 19, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
44 changes: 44 additions & 0 deletions preload/supported-as-values.html
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,44 @@
<!DOCTYPE html>
<html>
<title>Test the supported value for &lt;link rel=preload as="..."&gt;</title>
<meta name="timeout" content="long">
<meta name="variant" content="?as=image&expected=1">
yoavweiss marked this conversation as resolved.
Show resolved Hide resolved
<meta name="variant" content="?as=fetch&expected=1">
<meta name="variant" content="?as=font&expected=1">
<meta name="variant" content="?as=script&expected=1">
<meta name="variant" content="?as=style&expected=1">
<meta name="variant" content="?as=json&expected=1">
<meta name="variant" content="?as=track&expected=1">

<meta name="variant" content="?as=garbagefoobar&expected=0">
<meta name="variant" content="?as=video&expected=0">
<meta name="variant" content="?as=audio&expected=0">
<meta name="variant" content="?as=object&expected=0">
<meta name="variant" content="?as=iframe&expected=0">
<meta name="variant" content="?as=worklet&expected=0">

<script src="/common/utils.js"></script>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
const params = new URLSearchParams(location.search);
const as = params.get("as");
const expected = Number(params.get("expected"));
promise_test(async t => {
const link = document.createElement("link");
link.href = new URL("/common/echo.py?content=nothing", location.href).href;
link.rel = "preload";
link.as = as;
document.head.append(link);
await new Promise(resolve => {
t.step_timeout(resolve, 1000);
link.addEventListener("load", resolve);
link.addEventListener("error", resolve);
});
const resources = performance.getEntriesByName(link.href);
assert_equals(resources.length, expected);
});
</script>
</body>
</html>