44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
print((10).to_bytes(1, "little"))
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print((-10).to_bytes(1, "little", signed=True))
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# Test fitting in length that's not a power of two.
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print((0x10000).to_bytes(3, 'little'))
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print((111111).to_bytes(4, "little"))
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print((-111111).to_bytes(4, "little", signed=True))
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print((100).to_bytes(10, "little"))
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print((-100).to_bytes(10, "little", signed=True))
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# check that extra zero bytes don't change the internal int value
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print(int.from_bytes(bytes(20), "little") == 0)
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print(int.from_bytes(b"\x01" + bytes(20), "little") == 1)
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# big-endian conversion
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print((10).to_bytes(1, "big"))
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print((-10).to_bytes(1, "big", signed=True))
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print((100).to_bytes(10, "big"))
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print((-100).to_bytes(10, "big", signed=True))
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print(int.from_bytes(b"\0\0\0\0\0\0\0\0\0\x01", "big"))
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print(int.from_bytes(b"\x01\0", "big"))
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# negative number of bytes should raise an error
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try:
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(1).to_bytes(-1, "little")
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except ValueError:
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print("ValueError")
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# too small buffer should raise an error
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try:
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(256).to_bytes(1, "little")
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except OverflowError:
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print("OverflowError")
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# negative numbers should raise an error if signed=False
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try:
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(-256).to_bytes(2, "little")
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except OverflowError:
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print("OverflowError")
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try:
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(-256).to_bytes(2, "little", signed=False)
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except OverflowError:
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print("OverflowError")
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