1 files changed, 22 insertions, 0 deletions
diff --git a/accessible/tests/browser/e10s/browser_text_paragraph_boundary.js b/accessible/tests/browser/e10s/browser_text_paragraph_boundary.js
new file mode 100644
index 0000000000..04e64520e8
--- /dev/null
+++ b/accessible/tests/browser/e10s/browser_text_paragraph_boundary.js
@@ -0,0 +1,22 @@
+/* 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";
+
+// Test that we don't crash the parent process when querying the paragraph
+// boundary on an Accessible which has remote ProxyAccessible descendants.
+addAccessibleTask(
+  `test`,
+  async function testParagraphBoundaryWithRemoteDescendants(browser, accDoc) {
+    const root = getRootAccessible(document).QueryInterface(
+      Ci.nsIAccessibleText
+    );
+    let start = {};
+    let end = {};
+    // The offsets will change as the Firefox UI changes. We don't really care
+    // what they are, just that we don't crash.
+    root.getTextAtOffset(0, nsIAccessibleText.BOUNDARY_PARAGRAPH, start, end);
+    ok(true, "Getting paragraph boundary succeeded");
+  }
+);