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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(async () => {
let start_length = navigation.entries().length;
let entry0 = navigation.currentEntry;
let start_index = entry0.index;
let navState = { statevar: "state" };
await navigation.navigate("#1", { state: navState });
let entry1 = navigation.currentEntry;
location.href = "#2";
let entry2 = navigation.currentEntry;
assert_equals(navigation.entries().length, start_length + 2);
assert_equals(entry0, navigation.entries()[start_index]);
assert_equals(entry1, navigation.entries()[start_index + 1]);
assert_equals(entry2, navigation.entries()[start_index + 2]);
assert_equals(entry0.getState(), undefined);
let state1 = entry1.getState();
assert_not_equals(state1, undefined);
assert_not_equals(state1, navState);
assert_equals(state1.statevar, "state");
let state2 = entry2.getState();
assert_not_equals(state2, undefined);
assert_not_equals(state2, navState);
assert_equals(state2.statevar, "state");
history.back();
window.onpopstate = t.step_func_done(() => {
assert_equals(navigation.entries().length, start_length + 2);
let back_entry = navigation.currentEntry;
assert_equals(back_entry, navigation.entries()[start_index + 1]);
let back_state = back_entry.getState();
assert_not_equals(back_state, state1);
assert_not_equals(back_state, state2);
assert_equals(back_state.statevar, "state");
});
}, 0);
}, "entry.getState() behavior after navigating away using a fragment change, then back");
</script>
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