micropython: add micropython component

components/language/micropython/tests/basics/builtin_hash.py

@@ -0,0 +1,50 @@
+# test builtin hash function
+
+print(hash(False))
+print(hash(True))
+print({():1}) # hash tuple
+print({(1,):1}) # hash non-empty tuple
+print(hash in {hash:1}) # hash function
+
+try:
+    hash([])
+except TypeError:
+    print("TypeError")
+
+class A:
+    def __hash__(self):
+        return 123
+    def __repr__(self):
+        return "a instance"
+
+print(hash(A()))
+print({A():1})
+
+# all user-classes have default __hash__
+class B:
+    pass
+hash(B())
+
+# if __eq__ is defined then default __hash__ is not used
+class C:
+    def __eq__(self, another):
+        return True
+try:
+    hash(C())
+except TypeError:
+    print("TypeError")
+
+# __hash__ must return an int
+class D:
+    def __hash__(self):
+        return None
+try:
+    hash(D())
+except TypeError:
+    print("TypeError")
+
+# __hash__ returning a bool should be converted to an int
+class E:
+    def __hash__(self):
+        return True
+print(hash(E()))