2 files changed, 43 insertions, 0 deletions
diff --git a/tests/basics/class_use_other.py b/tests/basics/class_use_other.py
new file mode 100644
index 0000000000..c6aa94ad25
--- /dev/null
+++ b/tests/basics/class_use_other.py
@@ -0,0 +1,12 @@
+# check that we can use an instance of B in a method of A
+
+class A:
+    def store(a, b):
+        a.value = b
+
+class B:
+    pass
+
+b = B()
+A.store(b, 1)
+print(b.value)
diff --git a/tests/basics/self_type_check.py b/tests/basics/self_type_check.py
new file mode 100644
index 0000000000..947e362cdb
--- /dev/null
+++ b/tests/basics/self_type_check.py
@@ -0,0 +1,31 @@
+# make sure type of first arg (self) to a builtin method is checked
+
+list.append
+
+try:
+    list.append()
+except TypeError as e:
+    print("TypeError")
+
+try:
+    list.append(1)
+except TypeError as e:
+    print("TypeError")
+
+try:
+    list.append(1, 2)
+except TypeError as e:
+    print("TypeError")
+
+l = []
+list.append(l, 2)
+print(l)
+
+try:
+    getattr(list, "append")(1, 2)
+except TypeError as e:
+    print("TypeError")
+
+l = []
+getattr(list, "append")(l, 2)
+print(l)