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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
promise_test(async (t) => {
// Wait for after the load event so that we're definitely testing intentional,
// navigate()-caused replacement and not the replacement that happens
// automatically before the load event completes.
await new Promise(r => window.onload = () => t.step_timeout(r, 0));
const currentBefore = navigation.currentEntry;
let disposeCalled = false;
navigation.currentEntry.ondispose = t.step_func(e => {
disposeCalled = true;
assert_equals(e.constructor, Event);
assert_equals(e.bubbles, false);
assert_equals(e.cancelable, false);
assert_equals(e.composed, false);
assert_not_equals(navigation.currentEntry, currentBefore);
assert_array_equals(navigation.entries().slice(navigation.currentEntry.index), [navigation.currentEntry]);
assert_equals((new URL(navigation.currentEntry.url)).search, "?replacement");
assert_equals(navigation.transition.navigationType, "replace");
assert_equals(navigation.transition.from, currentBefore);
assert_equals(location.search, "?replacement");
});
navigation.addEventListener("navigate", e => e.intercept());
navigation.navigate("?replacement", { history: "replace" });
assert_true(disposeCalled);
}, "dispose events when doing a same-document replace using navigation.navigate() and intercept()");
</script>
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