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<!DOCTYPE html>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<body>
<script>
// Regression test for https://crbug.com/1244145:
// This test loads a same script file (`resources/v8-code-cache.js`)
// multiple times to trigger V8 Code Cache.
// Host defined options (including base URLs and nonces) are lost when the
// script is compiled using the cached metadata, and thus causing
// dynamic import failures due to wrong base URLs and wrong nonces.
function runTest(type, nonce, description) {
promise_test(t => {
return new Promise((resolve, reject) => {
const iframe = document.createElement('iframe');
iframe.src = 'resources/v8-code-cache-iframe.sub.html?nonce=' + nonce + '&type=' + type;
iframe.onload = () => {
// `window.promise` is set by `resources/v8-code-cache.js`.
window.promise.then(resolve, reject);
};
document.body.appendChild(iframe);
t.add_cleanup(() => iframe.remove());
});
}, type + ': ' + description);
}
// As `promise_test` are serialized, each iframe is created after previous
// iframes and scripts are completely loaded.
for (const type of ['text/javascript', 'module']) {
// Cache the script in V8 Code Cache by running multiple times.
runTest(type, 'abc', 'Run #1');
runTest(type, 'abc', 'Run #2');
runTest(type, 'abc', 'Run #3');
runTest(type, 'abc', 'Run #4');
// Changing the nonce seems to disable compilation cache, trigger compilation
// using V8 Code Cache and thus expose the bug.
runTest(type, 'def', 'Run #5');
}
</script>
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