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<!DOCTYPE html>
<title>Test navigating an ancestor frame from within a fenced frame</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="utils.js"></script>
<body>
<script>
// This function is called by `window.opener`, which is a same-origin window.
window.runTest = function(test_type, ancestor_type) {
// Messages by this key are sent from
// `navigate-ancestor-destination.https.html` to let us know if the "_parent"
// navigations performed inside fenced frames landed on the right page.
// If somehow *this document* gets navigated unexpectedly, the test will fail
// given `beforeunloadPromise` below.
// For "nested" tests, this document hosts a top-level fenced frame navigated
// to `navigate-ancestor-from-nested-{fenced-frame,iframe}.https.html`,
// which itself hosts a nested fenced frame or iframe. The top-level fenced
// frame will wait for the right confirmation that the nested document has
// operated correctly, and report back to *us* that everything is OK via this
// key below.
const [navigate_ancestor_key, navigate_ancestor_from_nested_key] =
parseKeylist();
const beforeunloadPromise = new Promise((resolve, reject) => {
window.onbeforeunload = e => {
reject(`The top-level test runner document does not navigate when a ` +
`${test_type} navigates ${ancestor_type}`);
}
});
let test_promise = null;
switch (test_type) {
case 'top-level fenced frame':
// This fenced frame will attempt to navigate its parent to
// `navigate-ancestor-destination.https.html`. It should end up navigating
// *itself* since it is a top-level browsing context. Just in case it
// accidentally navigates *this* frame, we have an `onbeforeunload`
// handler that will automatically fail the test before.
attachFencedFrame(generateURL(
`navigate-ancestor-helper.https.html`,
[navigate_ancestor_key, ancestor_type]));
test_promise = nextValueFromServer(navigate_ancestor_key);
break;
case 'nested fenced frame':
attachFencedFrame(generateURL(
`navigate-ancestor-from-nested-fenced-frame.https.html`,
[navigate_ancestor_key, navigate_ancestor_from_nested_key,
ancestor_type]));
test_promise = nextValueFromServer(navigate_ancestor_from_nested_key)
.then(message => {
if (message != "PASS") {
throw message;
}
});
break;
case 'nested iframe':
attachFencedFrame(generateURL(
`navigate-ancestor-from-nested-iframe.https.html`,
[navigate_ancestor_key, navigate_ancestor_from_nested_key,
ancestor_type]));
test_promise = nextValueFromServer(navigate_ancestor_from_nested_key)
.then(message => {
if (message != `PASS: [${ancestor_type}] location change failed.`) {
throw message;
}
});
break;
}
return Promise.race([test_promise, beforeunloadPromise]);
}
</script>
</body>
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