import c assert c.void_p.from_hex('0x2568b60').hex() == '0x2568b60' # ------------------------------------------------ class HexAddress: def __init__(self, address): if not address.startswith("0x"): # 确保地址以0x开头 raise ValueError("Address should start with '0x'.") self.address = address[2:] # 去除0x前缀,并保存十六进制字符串 def __str__(self): return "0x" + self.address def __add__(self, other): if isinstance(other, int): return HexAddress(hex(int(self.address, 16) + other)) # 将字符串地址转为整数进行运算 elif isinstance(other, HexAddress): return HexAddress(hex(int(self.address, 16) + int(other.address, 16))) # 将字符串地址转为整数进行运算 else: raise TypeError("Unsupported operand type for +: HexAddress and {}".format(type(other))) def __sub__(self, other): if isinstance(other, int): return HexAddress(hex(int(self.address, 16) - other)) # 将字符串地址转为整数进行运算 elif isinstance(other, HexAddress): return HexAddress(hex(int(self.address, 16) - int(other.address, 16))) # 将字符串地址转为整数进行运算 else: raise TypeError("Unsupported operand type for -: HexAddress and {}".format(type(other))) c_void_1 = c.malloc(8) assert (c_void_1 + 8).hex() == c.void_p.from_hex(str(HexAddress(c_void_1.hex()) + 8)).hex() assert (c_void_1 - 8).hex() == c.void_p.from_hex(str(HexAddress(c_void_1.hex()) - 8)).hex() # ------------------------------------------------ # 此处测试并不完全 c_void_1 = c.malloc(8) c_void_1.read_bytes(5) c_void_1.write_bytes(c_void_1.read_bytes(5)) # ------------------------------------------------ c_void_1 = c.malloc(32) my_struct2 = c_void_1.read_struct(32) assert my_struct2.size() == 32 data_bytes = bytes([1,2,3]) my_struct4 = c.struct(data_bytes) try: c.struct(True) raise Exception('c.struct 的构造方法未能触发 TypeError("expected int or bytes")') except TypeError: pass try: c.struct(1,2,3) raise Exception('c.struct 的构造方法未能触发 TypeError("expected 1 or 2 arguments")') except TypeError: pass # ------------------------------------------------ my_struct1 = c.struct(16) assert my_struct1.size() == 16 # 对 c.struct 的 copy 方法的测试不完全 assert my_struct1.copy().size() == 16 data_bytes = bytes([1,2,3]) my_struct4 = c.struct(data_bytes) assert my_struct4.addr().read_bytes( my_struct4.size() ) == data_bytes # ------------------------------------------------ # 此处测试并不完全 c_void_1 = c.malloc(16) my_struct1 = c.struct(16) c_void_1.write_struct(my_struct1) assert c_void_1.read_struct(16) == my_struct1 from c import array, int_ a = array(10, item_size=4) assert a.item_count == 10 assert a.item_size == 4 _ = hash(a) a[4] = int_(123) assert a[4] == int_(123)