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<!DOCTYPE html>
<title>Prevent browsing context group changes</title>
<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="/html/browsers/browsing-the-web/remote-context-helper/resources/remote-context-helper.js"></script>
<body>
<script>
/*
* These tests are tentative. They are based on the following proposal:
* https://github.com/explainers-by-googlers/future-browsing-context-group-dependency-hint
*/
function navigateByRelOpenerAnchorToNew(remote) {
function navigateByRelOpenerAnchorExecutorCreator(remote) {
return (url) => {
return remote.navigate((url) => {
let anchor = document.createElement('a');
anchor.href = url;
anchor.rel = 'opener';
anchor.text = 'Link';
document.body.appendChild(anchor);
anchor.click();
}, [url]);
};
}
return remote.helper.createContext({
executorCreator: navigateByRelOpenerAnchorExecutorCreator(remote),
});
}
function navigateBySelfOpenToNew(remote) {
function navigateBySelfOpenExecutorCreator(remote) {
return (url) => {
return remote.navigate((url) => {
window.open(url, '_self', 'opener');
}, [url]);
};
}
return remote.helper.createContext({
executorCreator: navigateBySelfOpenExecutorCreator(remote),
});
}
async function runNoGroupChangeTest(performNavigation) {
const rcHelper = new RemoteContextHelper();
// This test harness cannot be in the same browsing context group as the
// navigating window, otherwise that would interfere with the test.
const rcWindow = await rcHelper.addWindow(undefined, { features: 'noopener' });
const rcWindow2 = await performNavigation(rcWindow);
const rcPopup = await rcWindow2.addWindow(undefined, { target: 'my_popup' });
assert_equals(await rcPopup.executeScript(() => {
window.previouslyOpened = true;
return window.name;
}), 'my_popup', 'popup created');
rcWindow2.historyBack();
// In order for the original page to find the popup by name, they must be in
// the same browsing context group.
assert_true(await rcWindow.executeScript(() => {
const popup = window.open('', 'my_popup');
return popup.previouslyOpened;
}), 'first page can access original popup');
}
promise_test(async t => {
await runNoGroupChangeTest((remote) => {
// Navigate away using rel=opener. The next page should remain in the same
// browsing context group.
return navigateByRelOpenerAnchorToNew(remote);
});
}, 'rel=opener prevents browsing context group change');
promise_test(async t => {
await runNoGroupChangeTest((remote) => {
// Navigate away using window.open with the opener window feature. The next
// page should remain in the same browsing context group.
return navigateBySelfOpenToNew(remote);
});
}, 'opener window feature prevents browsing context group change');
</script>
</body>
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