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Test Info: Warnings

<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<iframe id="i" src="/common/blank.html"></iframe>
<script>
async_test(t => {
window.onload = t.step_func(() => {
i.contentWindow.navigation.onnavigate = t.step_func_done(e => {
assert_equals(e.navigationType, "reload");
assert_true(e.cancelable);
assert_true(e.canIntercept);
assert_false(e.userInitiated);
assert_false(e.hashChange);
assert_equals(e.downloadRequest, null);
assert_equals(new URL(e.destination.url).pathname, "/common/blank.html");
assert_false(e.destination.sameDocument);
assert_equals(e.destination.key, "");
assert_equals(e.destination.id, "");
assert_equals(e.destination.index, -1);
assert_equals(e.formData, null);
// NavigateEvent sourceElement is still in development, so test whether it is available.
if ("sourceElement" in e) assert_equals(e.sourceElement, null);
e.preventDefault();
});
i.contentWindow.history.go(0);
});
}, "history.go(0) fires the navigate event");
</script>