1 files changed, 149 insertions, 0 deletions
diff --git a/devtools/client/accessibility/test/browser/browser_accessibility_tree_navigation_oop.js b/devtools/client/accessibility/test/browser/browser_accessibility_tree_navigation_oop.js
new file mode 100644
index 0000000000..dc710c82e4
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+++ b/devtools/client/accessibility/test/browser/browser_accessibility_tree_navigation_oop.js
@@ -0,0 +1,149 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `<h1>Top level header</h1><p>This is a paragraph.</p>`;
+
+/**
+ * Test data has the format of:
+ * {
+ *   desc     {String}    description for better logging
+ *   setup    {Function}  An optional setup that needs to be performed before
+ *                        the state of the tree and the sidebar can be checked.
+ *   expected {JSON}      An expected states for the tree and the sidebar.
+ * }
+ */
+const tests = [
+  {
+    desc: "Test the initial accessibility tree and sidebar states.",
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `""text label`,
+          badges: ["text label"],
+        },
+      ],
+      sidebar: {
+        name: "",
+        role: "document",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 1,
+        indexInParent: 0,
+        states: [
+          // The focused state is an outdated state, since the toolbox should now
+          // have the focus and not the content page. See Bug 1702709.
+          "focused",
+          "readonly",
+          "focusable",
+          "opaque",
+          "enabled",
+          "sensitive",
+        ],
+      },
+    },
+  },
+  {
+    desc: "Expand first tree node.",
+    setup: ({ doc }) => toggleRow(doc, 0),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `""text label`,
+          badges: ["text label"],
+        },
+        {
+          role: "internal frame",
+          name: `"Accessibility Panel Test (OOP)"`,
+        },
+      ],
+    },
+  },
+  {
+    desc: "Expand second tree node. Display OOP document.",
+    setup: ({ doc }) => toggleRow(doc, 1),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `""text label`,
+          badges: ["text label"],
+        },
+        {
+          role: "internal frame",
+          name: `"Accessibility Panel Test (OOP)"`,
+        },
+        {
+          role: "document",
+          name: `"Accessibility Panel Test (OOP)"`,
+        },
+      ],
+      sidebar: {
+        name: "Accessibility Panel Test (OOP)",
+        role: "internal frame",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 1,
+        indexInParent: 0,
+        states: ["focusable", "opaque", "enabled", "sensitive"],
+      },
+    },
+  },
+  {
+    desc: "Expand third tree node. Display OOP frame content.",
+    setup: ({ doc }) => toggleRow(doc, 2),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `""text label`,
+          badges: ["text label"],
+        },
+        {
+          role: "internal frame",
+          name: `"Accessibility Panel Test (OOP)"`,
+        },
+        {
+          role: "document",
+          name: `"Accessibility Panel Test (OOP)"`,
+        },
+        {
+          role: "heading",
+          name: `"Top level header"`,
+        },
+        {
+          role: "paragraph",
+          name: `""`,
+        },
+      ],
+      sidebar: {
+        name: "Accessibility Panel Test (OOP)",
+        role: "document",
+        actions: [],
+        value: "",
+        description: "",
+        keyboardShortcut: "",
+        childCount: 2,
+        indexInParent: 0,
+        states: ["readonly", "focusable", "opaque", "enabled", "sensitive"],
+      },
+    },
+  },
+];
+
+/**
+ * Check navigation within the tree.
+ */
+addA11yPanelTestsTask(
+  tests,
+  TEST_URI,
+  "Test Accessibility panel tree navigation with OOP frame.",
+  { remoteIframe: true }
+);