Adds test

corenting · Jul 20, 2023 · e2610f4 · e2610f4
1 parent ac4c5c9
commit e2610f4
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/tests/test_immutabledict.py b/tests/test_immutabledict.py
@@ -4,6 +4,10 @@
 
 
 class TestImmutableDict:
+    def test_covariance(self):
+        assert immutabledict.__parameters__[0].__covariant__ is False
+        assert immutabledict.__parameters__[1].__covariant__ is True
+
     def test_cannot_assign_value(self):
         with pytest.raises(AttributeError):
             immutabledict().setitem("key", "value")
@@ -37,11 +41,6 @@ def test_contains_not_existing(self):
         immutable_dict = immutabledict({"a": "value"})
         assert "b" not in immutable_dict
 
-    def test_copy(self):
-        original = immutabledict({"a": "value"})
-        copy = original.copy()
-        assert original == copy
-
     def test_iter(self):
         immutable_dict = immutabledict({"a": "value", "b": "other_value"})
         itered_keys = {x for x in immutable_dict}