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<!DOCTYPE html>
<title>Ensures that prefetch works with documents</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="/common/dispatcher/dispatcher.js"></script>
<script src="resources/prefetch-helper.js"></script>
<body>
<script>
const {ORIGIN, REMOTE_ORIGIN, HTTP_NOTSAMESITE_ORIGIN} = get_host_info();
const loaders = {
image: {
file: 'square.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));
}
}
};
async function prefetch_document_and_count_fetches(options, t) {
const {href, uid} = await prefetch({
file: "prefetch-exec.html",
type: "text/html",
corssOrigin: "anonymous",
...options});
const popup = window.open(href);
const remoteContext = new RemoteContext(uid);
t.add_cleanup(() => popup.close());
const result = await remoteContext.execute_script(() => "OK");
assert_equals(result, "OK");
const requests = await get_prefetch_info(href);
return requests.length;
}
promise_test(async t => {
assert_equals(await prefetch_document_and_count_fetches({origin: ORIGIN}, t), 1);
}, "same origin document prefetch without 'as' should be consumed");
promise_test(async t => {
assert_equals(await prefetch_document_and_count_fetches({origin: REMOTE_ORIGIN}, t), 1);
}, "same-site different-origin document prefetch without 'as' should be consumed");
promise_test(async t => {
assert_equals(await prefetch_document_and_count_fetches({origin: HTTP_NOTSAMESITE_ORIGIN}, t), 2);
}, "different-site document prefetch without 'as' should not be consumed");
promise_test(async t => {
assert_equals(await prefetch_document_and_count_fetches({origin: HTTP_NOTSAMESITE_ORIGIN, as: "document"}, t), 2);
}, "different-site document prefetch with 'as=document' should not be consumed");
promise_test(async t => {
const {href, uid} = await prefetch({
file: "prefetch-exec.html",
type: "text/html",
corssOrigin: "anonymous",
origin: ORIGIN});
const popup = window.open(href + "&cache_bust=" + token());
const remoteContext = new RemoteContext(uid);
t.add_cleanup(() => popup.close());
await remoteContext.execute_script(() => "OK");
const results = await get_prefetch_info(href);
assert_equals(results.length, 2);
assert_equals(results[0].headers.accept, results[1].headers.accept);
}, "Document prefetch should send the exact Accept header as navigation")
</script>
</body>
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