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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>
promise_test(async t => {
// Wait for after the load event so that the navigation doesn't get converted
// into a replace navigation.
await new Promise(resolve => window.onload = () => t.step_timeout(resolve, 0));
let before_key = i.contentWindow.navigation.currentEntry.key;
let before_id = i.contentWindow.navigation.currentEntry.id;
let before_url = i.contentWindow.navigation.currentEntry.url;
i.contentWindow.navigation.navigate("/common/blank.html?a", { history: "replace" });
await new Promise(resolve => i.onload = () => t.step_timeout(resolve, 0));
let current_entry_after_nav = i.contentWindow.navigation.currentEntry;
let from_entry_after_nav = i.contentWindow.navigation.activation.from;
// activation.entry is the current entry. activation.from is a new
// NavigationHistoryEntry object (because there is a new window), with the
// same key/id/url as before the navigation, and an index of -1 because it is
// not present in the entries array.
assert_equals(i.contentWindow.navigation.entries().length, 1);
assert_equals(i.contentWindow.navigation.activation.entry, current_entry_after_nav);
assert_equals(i.contentWindow.navigation.activation.entry.index, 0);
assert_equals(from_entry_after_nav.key, before_key);
assert_equals(from_entry_after_nav.id, before_id);
assert_equals(from_entry_after_nav.url, before_url);
assert_equals(from_entry_after_nav.index, -1);
assert_equals(i.contentWindow.navigation.activation.navigationType, "replace");
await i.contentWindow.navigation.navigate("/common/blank.html?a#fragment", { history: "replace" }).finished;
// activation.entry is no longer navigation.currentEntry and is disposed.
// activation.from has not changed.
assert_equals(i.contentWindow.navigation.entries().length, 1);
assert_equals(i.contentWindow.navigation.activation.entry, current_entry_after_nav);
assert_not_equals(i.contentWindow.navigation.activation.entry,
i.contentWindow.navigation.currentEntry);
assert_equals(i.contentWindow.navigation.activation.entry.index, -1);
assert_equals(i.contentWindow.navigation.activation.from, from_entry_after_nav);
assert_equals(i.contentWindow.navigation.activation.navigationType, "replace");
}, "navigation.activation after replace");
</script>
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