Add tests

tests/snippets/builtin_range.py

@@ -39,6 +39,15 @@ assert_raises(lambda _: range(4, 10, 2).index(5), ValueError)
 # index raises value error if needle is not an int
 assert_raises(lambda _: range(10).index('foo'), ValueError)
 
+# count tests
+assert range(10).count(2) == 1
+assert range(10).count(11) == 0
+assert range(10).count(-1) == 0
+assert range(9, 12).count(10) == 1
+assert range(4, 10, 2).count(4) == 1
+assert range(4, 10, 2).count(7) == 0
+assert range(10).count("foo") == 0
+
 # __bool__
 assert bool(range(1))
 assert bool(range(1, 2))