2017-03-03 14:13:27 -07:00
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try:
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import ustruct as struct
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except:
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try:
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import struct
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except ImportError:
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print("SKIP")
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2017-06-10 11:03:01 -06:00
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raise SystemExit
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2017-03-03 14:13:27 -07:00
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# check maximum pack on 32-bit machine
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print(struct.pack("<I", 2**32 - 1))
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print(struct.pack("<I", 0xffffffff))
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# long long ints
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2017-08-12 06:40:49 -06:00
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print(struct.pack("<Q", 1))
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print(struct.pack(">Q", 1))
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2017-03-03 14:13:27 -07:00
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print(struct.pack("<Q", 2**64 - 1))
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print(struct.pack(">Q", 2**64 - 1))
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print(struct.pack("<Q", 0xffffffffffffffff))
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print(struct.pack(">Q", 0xffffffffffffffff))
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print(struct.pack("<q", -1))
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print(struct.pack(">q", -1))
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print(struct.pack("<Q", 1234567890123456789))
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print(struct.pack("<q", -1234567890123456789))
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print(struct.pack(">Q", 1234567890123456789))
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print(struct.pack(">q", -1234567890123456789))
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print(struct.unpack("<Q", b"\x12\x34\x56\x78\x90\x12\x34\x56"))
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print(struct.unpack(">Q", b"\x12\x34\x56\x78\x90\x12\x34\x56"))
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print(struct.unpack("<q", b"\x12\x34\x56\x78\x90\x12\x34\xf6"))
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print(struct.unpack(">q", b"\xf2\x34\x56\x78\x90\x12\x34\x56"))
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# check maximum unpack
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print(struct.unpack("<I", b"\xff\xff\xff\xff"))
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print(struct.unpack("<Q", b"\xff\xff\xff\xff\xff\xff\xff\xff"))
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# check small int overflow
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print(struct.unpack("<i", b'\xff\xff\xff\x7f'))
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print(struct.unpack("<q", b'\xff\xff\xff\xff\xff\xff\xff\x7f'))
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