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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<meta name="timeout" content="long"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/get-host-info.sub.js"></script>
<script src="/common/utils.js"></script>
<script src="./resources/compression-dictionary-util.js"></script>
</head>
<body>
<script>
async function addIframeWithLinkRelDictionaryHeader(dict_url) {
return new Promise((resolve) => {
const base_page_url = './resources/empty.html';
const page_url =
base_page_url + `?pipe=header(link,<${dict_url}>; rel="dictionary")`;
const iframe = document.createElement('iframe');
iframe.src = page_url;
iframe.addEventListener('load', () => {
resolve(iframe);
});
document.body.appendChild(iframe);
})
}
compression_dictionary_promise_test(async (t) => {
const dict_token = token();
const url = new URL(
`${kRegisterDictionaryPath}?save_header=${dict_token}`, location.href);
const iframe = await addIframeWithLinkRelDictionaryHeader(url.href);
t.add_cleanup(() => {
iframe.remove();
});
// Wait for a while to ensure that the dictionary is fetched.
await new Promise(resolve => window.requestIdleCallback(resolve));
const headers = await waitUntilPreviousRequestHeaders(t, dict_token);
assert_true(headers !== undefined, 'Headers should be available');
assert_equals(headers['sec-fetch-mode'], 'cors');
// Wait until `available-dictionary` header is available.
assert_equals(
await waitUntilAvailableDictionaryHeader(t, {}),
kDefaultDictionaryHashBase64);
// Check if the data compressed using Brotli with the dictionary can be
// decompressed.
const data_url = `${kCompressedDataPath}?content_encoding=br-d`;
assert_equals(await (await fetch(data_url)).text(), kExpectedCompressedData);
}, 'Fetch same origin dictionary using link header');
</script>
</body>
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