1 files changed, 61 insertions, 0 deletions
diff --git a/accessible/tests/browser/hittest/browser_test_shadowroot.js b/accessible/tests/browser/hittest/browser_test_shadowroot.js
new file mode 100644
index 0000000000..94a5ce071a
--- /dev/null
+++ b/accessible/tests/browser/hittest/browser_test_shadowroot.js
@@ -0,0 +1,61 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+async function runTests(browser, accDoc) {
+  const dpr = await getContentDPR(browser);
+  let componentAcc = findAccessibleChildByID(accDoc, "component1");
+  await testChildAtPoint(
+    dpr,
+    1,
+    1,
+    componentAcc,
+    componentAcc.firstChild,
+    componentAcc.firstChild
+  );
+
+  componentAcc = findAccessibleChildByID(accDoc, "component2");
+  await testChildAtPoint(
+    dpr,
+    1,
+    1,
+    componentAcc,
+    componentAcc.firstChild,
+    componentAcc.firstChild
+  );
+}
+
+addAccessibleTask(
+  `
+  <div role="group" class="components" id="component1" style="display: inline-block;">
+  <!--
+    <div role="button" id="component-child"
+         style="width: 100px; height: 100px; background-color: pink;">
+    </div>
+  -->
+  </div>
+  <div role="group" class="components"  id="component2" style="display: inline-block;">
+  <!--
+    <button>Hello world</button>
+  -->
+  </div>
+  <script>
+    // This routine adds the comment children of each 'component' to its
+    // shadow root.
+    var components = document.querySelectorAll(".components");
+    for (var i = 0; i < components.length; i++) {
+      var component = components[i];
+      var shadow = component.attachShadow({mode: "open"});
+      for (var child = component.firstChild; child; child = child.nextSibling) {
+        if (child.nodeType === 8)
+          // eslint-disable-next-line no-unsanitized/property
+          shadow.innerHTML = child.data;
+      }
+    }
+  </script>
+  `,
+  runTests,
+  { iframe: true, remoteIframe: true }
+);