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// Load about:srcdoc in a iframe. Check the document.baseURI is still
// correct after the parent changes its base URL..
const runTest = (description, sandbox_flags) => {
promise_test(async test => {
// Create child.
const iframe = document.createElement("iframe");
if (sandbox_flags !== null)
iframe.sandbox = sandbox_flags;
iframe.srcdoc = `
<script>
addEventListener('message', (event) => {
if (event.data == 'report baseURI')
event.source.postMessage(document.baseURI, event.origin);
});
parent.postMessage('loaded', '*');
</scr`+`ipt>
`;
const child_loaded = new Promise(r => onmessage = e => r(e.data));
document.body.appendChild(iframe);
assert_equals(await child_loaded, "loaded");
// Verify child's baseURI matches parent.
const original_parent_baseURI = document.baseURI;
const child_base_uri = new Promise(r => onmessage = e => r(e.data));
frames[0].postMessage("report baseURI", "*");
assert_equals(await child_base_uri, original_parent_baseURI);
// Parent changes its baseURI, requests child to report.
const base_element = document.createElement("base");
base_element.href = "https://foo.com";
document.head.appendChild(base_element);
assert_not_equals(document.baseURI, original_parent_baseURI,
"parent baseURI failed to change.");
// Verify child's baseURI didn't change.
const child_base_uri2 = new Promise(r => onmessage = e => r(e.data));
frames[0].postMessage("report baseURI", "*");
assert_equals(await child_base_uri2, original_parent_baseURI);
// Cleanup.
base_element.remove();
}, description);
}
runTest("non-sandboxed srcdoc - parent changes baseURI",null);
runTest("sandboxed srcdoc - parent changes baseURI", "allow-scripts");
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