1 files changed, 75 insertions, 0 deletions
diff --git a/devtools/client/accessibility/test/browser/browser_accessibility_tree.js b/devtools/client/accessibility/test/browser/browser_accessibility_tree.js
new file mode 100644
index 0000000000..d1be57ee2d
--- /dev/null
+++ b/devtools/client/accessibility/test/browser/browser_accessibility_tree.js
@@ -0,0 +1,75 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = `<html>
+  <head>
+    <meta charset="utf-8"/>
+    <title>Accessibility Panel Test</title>
+  </head>
+  <body>
+    <h1>Top level header</h1>
+    <p>This is a paragraph.</p>
+  </body>
+</html>`;
+
+/**
+ * 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 state.",
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `"Accessibility Panel Test"`,
+        },
+      ],
+    },
+  },
+  {
+    desc: "Expand first tree node.",
+    setup: async ({ doc }) => toggleRow(doc, 0),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `"Accessibility Panel Test"`,
+        },
+        {
+          role: "heading",
+          name: `"Top level header"`,
+        },
+        {
+          role: "paragraph",
+          name: `""`,
+        },
+      ],
+    },
+  },
+  {
+    desc: "Collapse first tree node.",
+    setup: async ({ doc }) => toggleRow(doc, 0),
+    expected: {
+      tree: [
+        {
+          role: "document",
+          name: `"Accessibility Panel Test"`,
+        },
+      ],
+    },
+  },
+];
+
+/**
+ * Simple test that checks content of the Accessibility panel tree.
+ */
+addA11yPanelTestsTask(tests, TEST_URI, "Test Accessibility panel tree.");