1 files changed, 33 insertions, 0 deletions
diff --git a/devtools/client/jsonview/test/browser_jsonview_valid_json.js b/devtools/client/jsonview/test/browser_jsonview_valid_json.js
new file mode 100644
index 000000000..83d0e1088
--- /dev/null
+++ b/devtools/client/jsonview/test/browser_jsonview_valid_json.js
@@ -0,0 +1,33 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_JSON_URL = URL_ROOT + "valid_json.json";
+
+add_task(function* () {
+  info("Test valid JSON started");
+
+  let tab = yield addJsonViewTab(TEST_JSON_URL);
+
+  ok(tab.linkedBrowser.contentPrincipal.isNullPrincipal, "Should have null principal");
+
+  let countBefore = yield getElementCount(".jsonPanelBox .treeTable .treeRow");
+  ok(countBefore == 3, "There must be three rows");
+
+  let objectCellCount = yield getElementCount(
+    ".jsonPanelBox .treeTable .objectCell");
+  ok(objectCellCount == 1, "There must be one object cell");
+
+  let objectCellText = yield getElementText(
+    ".jsonPanelBox .treeTable .objectCell");
+  ok(objectCellText == "", "The summary is hidden when object is expanded");
+
+  // Collapsed auto-expanded node.
+  yield clickJsonNode(".jsonPanelBox .treeTable .treeLabel");
+
+  let countAfter = yield getElementCount(".jsonPanelBox .treeTable .treeRow");
+  ok(countAfter == 1, "There must be one row");
+});