<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test.js"></script>
<script>

description('Tests for document.contains. It should return false on connected nodes within a shadow root');

const shadowHost = document.createElement("div");
const shadowRoot = shadowHost.attachShadow({mode: 'closed'});
const shadowRootChild = shadowRoot.appendChild(document.createElement('div'));

shouldBeFalse('shadowHost.isConnected');
shouldBeFalse('shadowRoot.isConnected');
shouldBeFalse('shadowRootChild.isConnected');
shouldBeFalse('document.contains(shadowHost)');
shouldBeFalse('document.contains(shadowRoot)');
shouldBeFalse('document.contains(shadowRootChild)');

shouldBeTrue('document.body.appendChild(shadowHost); shadowHost.isConnected');
shouldBeTrue('shadowRoot.isConnected');
shouldBeTrue('shadowRootChild.isConnected');
shouldBeTrue('document.contains(shadowHost)');
shouldBeFalse('document.contains(shadowRoot)');
shouldBeFalse('document.contains(shadowRootChild)');

</script>
</body>
</html>