<!doctype html>
<title> PageSwapEvent constructor</title>
<link rel="help" href="https://html.spec.whatwg.org/multipage/nav-history-apis.html#the-pageswapevent-interface">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="log"></div>
<script>
test(function() {
var e = new PageSwapEvent("something");
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "something");
assert_equals(e.viewTransition, null);
assert_equals(e.activation, null);
}, "Constructing pageswap event");
test(function() {
var e = new PageSwapEvent("pageswap");
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "pageswap");
assert_equals(e.viewTransition, null);
assert_equals(e.activation, null);
}, "Constructing pageswap event with a custom name");
test(function() {
var e = new PageSwapEvent("pageswap", {});
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "pageswap");
assert_equals(e.viewTransition, null);
assert_equals(e.activation, null);
}, "Constructing pageswap event with empty dictionary");
test(function() {
var e = new PageSwapEvent("pageswap", {viewTransition: null});
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "pageswap");
assert_equals(e.viewTransition, null);
assert_equals(e.activation, null);
}, "Constructing pageswap event with a null viewTransition");
test(function() {
const viewTransition = document.startViewTransition();
var e = new PageSwapEvent("pageswap", {viewTransition});
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "pageswap");
assert_equals(e.viewTransition, viewTransition);
viewTransition.skipTransition();
}, "Constructing pageswap event with a viewTransition");
test(function() {
const viewTransition = document.startViewTransition();
var e = new PageSwapEvent("pageswap", {viewTransition, activation: navigation.activation});
assert_true(e instanceof PageSwapEvent);
assert_equals(e.type, "pageswap");
assert_equals(e.viewTransition, viewTransition);
assert_equals(e.activation, navigation.activation);
viewTransition.skipTransition();
}, "Constructing pageswap event with a viewTransition and activation");
</script>