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reload-state-undefined.html
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reload-state-undefined.html
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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>
async_test(t => {
window.onload = t.step_func(() => {
const navState = { key: "value" };
const navInfo = { infoKey: "infoValue" };
i.contentWindow.navigation.navigate("#1", { state: navState }).committed.then(t.step_func(() => {
// Make sure that state setting worked
assert_equals(i.contentWindow.navigation.currentEntry.getState().key, "value");
assert_not_equals(i.contentWindow.navigation.currentEntry.getState(), navState);
let start_url = i.contentWindow.location.href;
let start_key = i.contentWindow.navigation.currentEntry.key;
let start_id = i.contentWindow.navigation.currentEntry.id;
let onnavigate_called = false;
let promise_settled = false;
i.contentWindow.navigation.onnavigate = t.step_func(e => {
e.intercept();
onnavigate_called = true;
assert_equals(e.info, navInfo);
assert_equals(e.navigationType, "reload");
assert_equals(e.destination.getState().key, "value", "destination.getState()");
assert_not_equals(e.destination.getState(), navState);
});
i.contentWindow.navigation.reload({ info: navInfo, state: undefined }).committed.then(t.step_func_done(() => {
assert_true(onnavigate_called);
assert_equals(i.contentWindow.location.href, start_url);
assert_equals(i.contentWindow.navigation.currentEntry.key, start_key);
assert_equals(i.contentWindow.navigation.currentEntry.id, start_id);
assert_equals(i.contentWindow.navigation.currentEntry.getState().key, "value", "destination.getState()");
assert_not_equals(i.contentWindow.navigation.currentEntry.getState(), navState);
}));
}));
});
}, "reload() variant with info and state: undefined counts the same as not present (because of Web IDL dictionary semantics), so preserves the state");
</script>