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47 lines
955 B
Python
47 lines
955 B
Python
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from testutils import assert_raises
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import struct
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data = struct.pack('IH', 14, 12)
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assert data == bytes([14, 0, 0, 0, 12, 0])
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v1, v2 = struct.unpack('IH', data)
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assert v1 == 14
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assert v2 == 12
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data = struct.pack('<IH', 14, 12)
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assert data == bytes([14, 0, 0, 0, 12, 0])
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v1, v2 = struct.unpack('<IH', data)
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assert v1 == 14
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assert v2 == 12
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data = struct.pack('>IH', 14, 12)
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assert data == bytes([0, 0, 0, 14, 0, 12])
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v1, v2 = struct.unpack('>IH', data)
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assert v1 == 14
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assert v2 == 12
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data = struct.pack('3B', 65, 66, 67)
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assert data == bytes([65, 66, 67])
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v1, v2, v3 = struct.unpack('3B', data)
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assert v1 == 65
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assert v2 == 66
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assert v3 == 67
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with assert_raises(Exception):
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data = struct.pack('B0B', 65, 66)
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with assert_raises(Exception):
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data = struct.pack('B2B', 65, 66)
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data = struct.pack('B1B', 65, 66)
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with assert_raises(Exception):
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struct.pack('<IH', "14", 12)
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assert struct.calcsize("B") == 1
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assert struct.calcsize("<L4B") == 8
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