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<!doctype html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
test(() => {
assert_throws_js(TypeError, () => {
new NavigationCurrentEntryChangeEvent("currententrychange");
});
}, "can't bypass required members by omitting the dictionary entirely");
test(() => {
assert_throws_js(TypeError, () => {
new NavigationCurrentEntryChangeEvent("currententrychange", {
navigationType: "push"
});
});
}, "from is required");
test(() => {
const event = new NavigationCurrentEntryChangeEvent("currententrychange", {
navigationType: "replace",
from: navigation.currentEntry
});
assert_equals(event.navigationType, "replace");
assert_equals(event.from, navigation.currentEntry);
}, "all properties are reflected back");
test(t => {
const event = new NavigationCurrentEntryChangeEvent("currententrychange", { from: navigation.currentEntry });
assert_equals(event.navigationType, null);
}, "defaults are as expected");
</script>
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