new tests for 'in' operator

tests/run/inop.pyx

+__doc__ = """
+    >>> f(1,[1,2,3])
+    True
+    >>> f(5,[1,2,3])
+    False
+    >>> f(2,(1,2,3))
+    True
+
+    >>> g(1,[1,2,3])
+    1
+    >>> g(5,[1,2,3])
+    0
+    >>> g(2,(1,2,3))
+    1
+
+    >>> h([1,2,3,4])
+    True
+    >>> h([1,3,4])
+    False
+
+    >>> j([1,2,3,4])
+    1
+    >>> j([1,3,4])
+    0
+"""
+
+def f(a,b):
+    result = a in b
+    return result
+
+def g(a,b):
+    cdef int result
+    result = a in b
+    return result
+
+def h(b):
+    result = 2 in b
+    return result
+
+def j(b):
+    cdef int result
+    result = 2 in b
+    return result

tests/run/notinop.pyx

+__doc__ = """
+    >>> f(1,[1,2,3])
+    False
+    >>> f(5,[1,2,3])
+    True
+    >>> f(2,(1,2,3))
+    False
+
+    >>> g(1,[1,2,3])
+    0
+    >>> g(5,[1,2,3])
+    1
+    >>> g(2,(1,2,3))
+    0
+
+    >>> h([1,2,3,4])
+    False
+    >>> h([1,3,4])
+    True
+
+    >>> j([1,2,3,4])
+    0
+    >>> j([1,3,4])
+    1
+"""
+
+def f(a,b):
+    result = a not in b
+    return result
+
+def g(a,b):
+    cdef int result
+    result = a not in b
+    return result
+
+def h(b):
+    result = 2 not in b
+    return result
+
+def j(b):
+    cdef int result
+    result = 2 not in b
+    return result