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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /preload/prefetch-types.https.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<title>Ensures that prefetch is not specific to resource types</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="resources/prefetch-helper.js"></script>
<body>
<script>
const host_info = get_host_info();
const loaders = {
"": {
file: "../../common/dummy.xml",
type: "text/xml",
load: fetch
},
image: {
file: '../../images/green.png',
type: 'image/png',
load: href => {
const image = document.createElement('img');
image.src = href;
document.body.appendChild(image);
return new Promise(resolve => image.addEventListener('load', resolve));
}
},
script: {
file: 'dummy.js',
type: 'application/javascript',
load: href => {
const script = document.createElement('script');
script.src = href;
document.body.appendChild(script);
return new Promise(resolve => script.addEventListener('load', resolve));
}
},
style: {
file: 'dummy.css',
type: 'text/css',
load: href => {
const link = document.createElement('link');
link.href = href;
link.rel = "stylesheet";
document.body.appendChild(link);
return new Promise(resolve => link.addEventListener('load', resolve));
}
},
document: {
file: 'empty.html',
type: 'text/html',
load: href => {
const iframe = document.createElement("iframe");
iframe.src = href;
document.body.appendChild(iframe);
return new Promise(resolve => iframe.addEventListener("load", resolve));
}
}
};
for (const as in loaders) {
for (const consumer in loaders) {
const {file, type, load} = loaders[as]
promise_test(async t => {
const {href} = await prefetch({file, type, as, origin: host_info[origin]});
const requests = await get_prefetch_info(href);
assert_equals(requests.length, 1);
assert_equals(requests[0].headers["sec-fetch-dest"], "empty");
}, `Prefetch as=${as} should work when consumed as ${consumer} (${origin})`);
}
}
</script>
</body>