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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css" />
</head>
<script>
// Open a window and navigate it from https://example.com to about:blank
// With fission, we should switch processes and about:blank should load in
// the same process as this test page.
// This is a crash test.
add_task(async function test_aboutblank_change_process() {
let exampleLoaded = new Promise(resolve => {
function onMessage(event) {
if (event.data == "body-loaded") {
window.removeEventListener("message", onMessage);
resolve();
}
}
window.addEventListener("message", onMessage);
});
let win = window.open();
win.location = "https://example.com/tests/docshell/test/navigation/file_tell_opener.html";
await exampleLoaded;
win.location = "about:blank";
// A crash happens somewhere here when about:blank does not go via
// DocumentChannel with fission enabled
// Wait for about:blank to load in this process
await SimpleTest.promiseWaitForCondition(() => {
try {
return win.location.href == "about:blank";
} catch (e) {
// While the `win` still has example.com page loaded, `win.location` will
// be a cross origin object and querying win.location.href will throw a
// SecurityError. Return false as long as this is the case.
return false;
}
})
ok(true, "We did not crash");
win.close();
});
</script>
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