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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
async_test(t => {
window.onload = t.step_func(() => {
let target_key = i.contentWindow.navigation.currentEntry.key;
let target_id = i.contentWindow.navigation.currentEntry.id;
i.contentWindow.navigation.navigate("?foo");
i.onload = t.step_func(() => {
let beforeunload_called = false;
i.contentWindow.navigation.onnavigate = t.step_func_done(e => {
assert_true(beforeunload_called);
assert_equals(e.navigationType, "traverse");
assert_false(e.cancelable);
assert_false(e.canIntercept);
assert_false(e.userInitiated);
assert_false(e.hashChange);
assert_equals(e.downloadRequest, null);
assert_equals(new URL(e.destination.url).pathname, "/common/blank.html");
assert_false(e.destination.sameDocument);
assert_equals(e.destination.key, target_key);
assert_equals(e.destination.id, target_id);
assert_equals(e.destination.index, 0);
assert_equals(e.formData, null);
assert_equals(e.info, "hi");
// NavigateEvent sourceElement is still in development, so test whether it is available.
if ("sourceElement" in e) assert_equals(e.sourceElement, null);
});
i.contentWindow.onbeforeunload = () => beforeunload_called = true;
assert_true(i.contentWindow.navigation.canGoBack);
i.contentWindow.navigation.back({ info: "hi" });
})
});
}, "navigate event for navigation.back() - cross-document");
</script>
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