added a few tests for collection mixins

lostmsu · lostmsu · commit b77b7ceb74d9 · 2021-09-22T10:47:47.000-07:00
diff --git a/tests/test_collection_mixins.py b/tests/test_collection_mixins.py
@@ -0,0 +1,16 @@
+import System.Collections.Generic as C
+
+def test_contains():
+    l = C.List[int]()
+    l.Add(42)
+    assert 42 in l
+    assert 43 not in l
+
+def test_dict_items():
+    d = C.Dictionary[int, str]()
+    d[42] = "a"
+    items = d.items()
+    assert len(items) == 1
+    k,v = items[0]
+    assert k == 42
+    assert v == "a"
