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<!DOCTYPE html>
<title>Same-origin prerendering can access blobs</title>
<meta name="variant" content="?target_hint=_self">
<meta name="variant" content="?target_hint=_blank">
<meta name="timeout" content="long">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/utils.js"></script>
<script src="/common/dispatcher/dispatcher.js"></script>
<script src="../resources/utils.js"></script>
<script src="resources/utils.js"></script>
<body>
<script>
setup(() => assertSpeculationRulesIsSupported());
promise_test(async t => {
const opt = {};
const init_opt = {};
const rule_extras = {'target_hint': getTargetHint()};
const {exec} = await create_prerendered_page(t, opt, init_opt, rule_extras);
const result = await exec(async () => {
const blob = await (await fetch('cache.txt')).blob();
const reader = new FileReader();
reader.readAsText(blob);
return new Promise(function(resolve, reject) {
reader.onload = () => resolve(reader.result);
reader.onerror = () => reject(reader.error);
});
});
const expected = "Hello, Prerender API!";
// Start prerendering a page that attempts to access the blob.
assert_equals(
result, expected,
'prerendering page should be able to read from blobs.');
}, 'prerendering page should be able to access blobs');
</script>
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