1 files changed, 20 insertions, 0 deletions
diff --git a/simplejson/tests/test_item_sort_key.py b/simplejson/tests/test_item_sort_key.py
new file mode 100644
index 0000000..b05bfc8
--- /dev/null
+++ b/simplejson/tests/test_item_sort_key.py
@@ -0,0 +1,20 @@
+from unittest import TestCase
+
+import simplejson as json
+from operator import itemgetter
+
+class TestItemSortKey(TestCase):
+    def test_simple_first(self):
+        a = {'a': 1, 'c': 5, 'jack': 'jill', 'pick': 'axe', 'array': [1, 5, 6, 9], 'tuple': (83, 12, 3), 'crate': 'dog', 'zeak': 'oh'}
+        self.assertEqual(
+            '{"a": 1, "c": 5, "crate": "dog", "jack": "jill", "pick": "axe", "zeak": "oh", "array": [1, 5, 6, 9], "tuple": [83, 12, 3]}',
+            json.dumps(a, item_sort_key=json.simple_first))
+
+    def test_case(self):
+        a = {'a': 1, 'c': 5, 'Jack': 'jill', 'pick': 'axe', 'Array': [1, 5, 6, 9], 'tuple': (83, 12, 3), 'crate': 'dog', 'zeak': 'oh'}
+        self.assertEqual(
+            '{"Array": [1, 5, 6, 9], "Jack": "jill", "a": 1, "c": 5, "crate": "dog", "pick": "axe", "tuple": [83, 12, 3], "zeak": "oh"}',
+            json.dumps(a, item_sort_key=itemgetter(0)))
+        self.assertEqual(
+            '{"a": 1, "Array": [1, 5, 6, 9], "c": 5, "crate": "dog", "Jack": "jill", "pick": "axe", "tuple": [83, 12, 3], "zeak": "oh"}',
+            json.dumps(a, item_sort_key=lambda kv: kv[0].lower()))