1 files changed, 18 insertions, 0 deletions
diff --git a/devtools/client/jsonview/test/browser_jsonview_invalid_json.js b/devtools/client/jsonview/test/browser_jsonview_invalid_json.js
new file mode 100644
index 0000000000..9dd957fa5e
--- /dev/null
+++ b/devtools/client/jsonview/test/browser_jsonview_invalid_json.js
@@ -0,0 +1,18 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_JSON_URL = URL_ROOT + "invalid_json.json";
+
+add_task(async function () {
+  info("Test invalid JSON started");
+
+  await addJsonViewTab(TEST_JSON_URL);
+
+  const count = await getElementCount(".textPanelBox");
+  Assert.equal(count, 1, "The raw data panel must be shown");
+
+  const text = await getElementText(".textPanelBox .jsonParseError");
+  ok(text, "There must be an error description");
+});