diff --git a/test_requests.py b/test_requests.py
index 4ffd6847..168a2d93 100755
--- a/test_requests.py
+++ b/test_requests.py
@@ -1224,6 +1224,7 @@ class TestCaseInsensitiveDict(unittest.TestCase):
         del othercid['spam']
         assert cid != othercid
         assert cid == {'spam': 'blueval', 'eggs': 'redval'}
+        assert cid.__eq__(object()) == NotImplemented
 
     def test_setdefault(self):
         cid = CaseInsensitiveDict({'Spam': 'blueval'})
@@ -1261,6 +1262,20 @@ class TestCaseInsensitiveDict(unittest.TestCase):
         assert frozenset(cid.keys()) == keyset
         assert frozenset(cid) == keyset
 
+    def test_copy(self):
+        cid = CaseInsensitiveDict({
+            'Accept': 'application/json',
+            'user-Agent': 'requests',
+        })
+        assert cid == cid.copy()
+
+    def test_repr(self):
+        cid = CaseInsensitiveDict({
+            'Accept': 'application/json',
+            'user-Agent': 'requests',
+        })
+        assert repr(cid) == "{'Accept': 'application/json', 'user-Agent': 'requests'}"
+
 
 class UtilsTestCase(unittest.TestCase):