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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/is_uuid.js"></script>
<script>
test(() => {
let start_length = navigation.entries().length;
let first_entry = navigation.currentEntry;
let start_index = first_entry.index;
assert_not_equals(first_entry, null);
assert_not_equals(first_entry.key, null);
assert_true(isUUID(first_entry.key));
assert_not_equals(first_entry.id, null);
assert_true(isUUID(first_entry.id));
assert_equals(first_entry.url, location.href);
assert_true(first_entry.sameDocument);
assert_equals(navigation.entries().length, start_length);
assert_equals(first_entry, navigation.entries()[start_index]);
history.replaceState(2, "", "#2");
let second_entry = navigation.currentEntry;
assert_not_equals(second_entry, first_entry);
assert_equals(second_entry.key, first_entry.key);
assert_true(isUUID(second_entry.key));
assert_not_equals(second_entry.id, first_entry.id);
assert_true(isUUID(second_entry.id));
assert_equals(second_entry.url, location.href);
assert_true(second_entry.sameDocument);
assert_equals(navigation.entries().length, start_length);
assert_equals(second_entry, navigation.entries()[start_index]);
history.pushState(3, "", "#3");
let third_entry = navigation.currentEntry;
assert_not_equals(third_entry, second_entry);
assert_not_equals(third_entry.key, second_entry.key);
assert_true(isUUID(third_entry.key));
assert_not_equals(third_entry.id, second_entry.id);
assert_true(isUUID(third_entry.id));
assert_equals(third_entry.url, location.href);
assert_true(third_entry.sameDocument);
assert_equals(navigation.entries().length, start_length + 1);
assert_equals(third_entry, navigation.entries()[start_index + 1]);
history.pushState(4, "");
let fourth_entry = navigation.currentEntry;
assert_not_equals(fourth_entry, third_entry);
assert_not_equals(fourth_entry.key, third_entry.key);
assert_true(isUUID(fourth_entry.key));
assert_not_equals(fourth_entry.id, third_entry.id);
assert_true(isUUID(fourth_entry.id));
assert_equals(fourth_entry.url, third_entry.url);
assert_true(fourth_entry.sameDocument);
assert_equals(navigation.entries().length, start_length + 2);
assert_equals(fourth_entry, navigation.entries()[start_index + 2]);
history.replaceState(5, "");
let fifth_entry = navigation.currentEntry;
assert_not_equals(fifth_entry, fourth_entry);
assert_equals(fifth_entry.key, fourth_entry.key);
assert_true(isUUID(fifth_entry.key));
assert_not_equals(fifth_entry.id, fourth_entry.id);
assert_true(isUUID(fifth_entry.id));
assert_equals(fifth_entry.url, fourth_entry.url);
assert_true(fifth_entry.sameDocument);
assert_equals(navigation.entries().length, start_length + 2);
assert_equals(fifth_entry, navigation.entries()[start_index + 2]);
history.pushState(5, "");
let fifth_entry_after_push = navigation.currentEntry;
assert_not_equals(fifth_entry_after_push, fifth_entry);
assert_not_equals(fifth_entry_after_push.key, fifth_entry.key);
assert_true(isUUID(fifth_entry_after_push.key));
assert_not_equals(fifth_entry_after_push.id, fifth_entry.id);
assert_true(isUUID(fifth_entry_after_push.id));
assert_equals(fifth_entry_after_push.url, fifth_entry.url);
assert_true(fifth_entry_after_push.sameDocument);
assert_equals(navigation.entries().length, start_length + 3);
assert_equals(fifth_entry_after_push, navigation.entries()[start_index + 3]);
history.replaceState(5, "");
let fifth_entry_after_replace = navigation.currentEntry;
assert_not_equals(fifth_entry_after_replace, fifth_entry_after_push);
assert_equals(fifth_entry_after_replace.key, fifth_entry_after_push.key);
assert_true(isUUID(fifth_entry_after_replace.key));
assert_not_equals(fifth_entry_after_replace.id, fifth_entry_after_push.id);
assert_true(isUUID(fifth_entry_after_replace.id));
assert_equals(fifth_entry_after_replace.url, fifth_entry_after_push.url);
assert_true(fifth_entry_after_replace.sameDocument);
assert_equals(navigation.entries().length, start_length + 3);
assert_equals(fifth_entry_after_replace, navigation.entries()[start_index + 3]);
location.hash = "6";
let sixth_entry = navigation.currentEntry;
assert_not_equals(sixth_entry, fifth_entry_after_replace);
assert_equals(sixth_entry.key, fifth_entry_after_replace.key);
assert_true(isUUID(sixth_entry.key));
assert_not_equals(sixth_entry.id, fifth_entry_after_replace.id);
assert_true(isUUID(sixth_entry.id));
assert_not_equals(sixth_entry.url, fifth_entry_after_replace.url);
assert_true(sixth_entry.sameDocument);
assert_equals(navigation.entries().length, start_length + 3);
assert_equals(sixth_entry, navigation.entries()[start_index + 3]);
navigation.entries().forEach(entry => {
assert_true(isUUID(entry.id));
assert_true(isUUID(entry.key));
});
}, "Basic tests for navigation.currentEntry");
</script>
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