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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
async_test(t => {
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
window.onload = () => t.step_timeout(() => {
let target_key = navigation.currentEntry.key;
let target_id = navigation.currentEntry.id;
let target_index = navigation.currentEntry.index;
navigation.navigate("#foo").committed.then(t.step_func(() => {
navigation.onnavigate = t.step_func_done(e => {
assert_equals(e.navigationType, "traverse");
assert_true(e.cancelable);
assert_true(e.canIntercept);
assert_false(e.userInitiated);
assert_true(e.hashChange);
assert_equals(e.downloadRequest, null);
assert_equals(new URL(e.destination.url).hash, "");
assert_true(e.destination.sameDocument);
assert_equals(e.destination.key, target_key);
assert_equals(e.destination.id, target_id);
assert_equals(e.destination.index, target_index);
assert_equals(e.formData, null);
assert_equals(e.info, "hi");
assert_not_equals(e.hasUAVisualTransition, undefined);
// NavigateEvent sourceElement is still in development, so test whether it is available.
if ("sourceElement" in e) assert_equals(e.sourceElement, null);
});
assert_true(navigation.canGoBack);
navigation.back({ info: "hi" });
}));
}, 0);
}, "navigate event for navigation.back() - same-document");
</script>
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