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<!DOCTYPE html>
<title>Tests that a portal can adopt its predecessor</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
function waitForCompletion(targetTest) {
return new Promise((resolve, reject) => {
window.addEventListener("message", ({data: {test, message}}) => {
if (test === targetTest)
resolve(message);
});
});
}
promise_test(async () => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-once";
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
var message = await waitForCompletion(test);
assert_equals(message, "adopted");
}, "Tests that a portal can adopt its predecessor.");
promise_test(async () => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-twice";
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
var message = await waitForCompletion(test);
assert_equals(message, "passed");
}, "Tests that trying to adopt the predecessor twice will throw an exception.");
async_test(function(t) {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-after-event";
var bc = new BroadcastChannel(`test-${test}`);
bc.onmessage = t.step_func_done(function(e) {
assert_equals(e.data, "passed");
bc.close();
});
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
}, "Tests that trying to adopt the predecessor after the PortalActivateEvent will throw an exception.");
promise_test(async t => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-and-activate";
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
var message = await waitForCompletion(test);
assert_equals(message, "passed");
}, "Tests that activating an adopted predecessor without inserting it works");
async_test(t => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-attach-remove";
var bc = new BroadcastChannel(`test-${test}`);
bc.onmessage = t.step_func_done(function(e) {
assert_equals(e.data, "passed");
bc.close();
});
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
}, "Tests that an adopting, inserting and then removing a predecessor works correctly");
async_test(t => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-and-discard";
var bc = new BroadcastChannel(`test-${test}`);
bc.onmessage = t.step_func_done(function(e) {
assert_equals(e.data, "passed");
bc.close();
});
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
}, "Tests that the adopted predecessor is destroyed if it isn't inserted");
async_test(t => {
assert_implements("HTMLPortalElement" in self);
var test = "adopt-to-disconnected-node";
var bc = new BroadcastChannel(`test-${test}`);
bc.onmessage = t.step_func_done(function(e) {
assert_equals(e.data, "passed");
bc.close();
});
window.open(`resources/portals-adopt-predecessor.html?test=${test}`);
}, "Tests that an adopted portal can be inserted into a disconnected node.");
</script>
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