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cimport cython
cdef char* c_string = b'abcdefg'
cdef void* void_ptr = c_string
cdef int i = 42
cdef int* int_ptr = &i
cdef float x = 42.2
cdef float* float_ptr = &x
def compare():
"""
>>> compare()
True
True
True
False
False
True
True
"""
print c_string == c_string
print c_string == void_ptr
print c_string is void_ptr
print c_string != void_ptr
print c_string is not void_ptr
print void_ptr != int_ptr
print void_ptr != float_ptr
def if_tests():
"""
>>> if_tests()
True
True
"""
if c_string == void_ptr:
print True
if c_string != void_ptr:
print False
if int_ptr != void_ptr:
print True
def bool_binop():
"""
>>> bool_binop()
True
"""
if c_string == void_ptr and c_string == c_string and int_ptr != void_ptr and void_ptr != float_ptr:
print True
def bool_binop_truth(int x):
"""
>>> bool_binop_truth(1)
True
True
>>> bool_binop_truth(0)
True
"""
if c_string and void_ptr and int_ptr and (c_string == c_string or int_ptr != void_ptr):
print True
if c_string and x or not (void_ptr or int_ptr and float_ptr) or x:
print True
def binop_voidptr(int x, long y, char* z):
"""
>>> binop_voidptr(1, 3, b'abc')
'void *'
"""
result = &x and &y and z
return cython.typeof(result)
def cond_expr_voidptr(int x, long y, char* z):
"""
>>> cond_expr_voidptr(0, -1, b'abc')
('void *', 0)
>>> cond_expr_voidptr(-1, 0, b'abc')
('void *', -1)
>>> cond_expr_voidptr(-1, 0, b'')
('void *', 0)
>>> cond_expr_voidptr(0, -1, b'')
('void *', -1)
"""
result = &x if len(z) else &y
assert sizeof(long) >= sizeof(int)
assert -1 == <int>(-1L)
return cython.typeof(result), (<int*>result)[0]
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