39 lines
597 B
Python
39 lines
597 B
Python
# test memoryview
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# test reading from bytes
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b = b'1234'
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m = memoryview(b)
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print(len(m))
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print(m[0], m[1], m[-1])
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print(list(m))
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# test writing to bytes
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try:
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m[0] = 1
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except TypeError:
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print("TypeError")
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# test writing to bytearray
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b = bytearray(b)
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m = memoryview(b)
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m[0] = 1
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print(b)
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print(list(m))
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# test slice
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m = memoryview(b'1234')
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print(list(m[1:]))
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print(list(m[1:-1]))
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# this tests get_buffer of memoryview
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m = memoryview(bytearray(2))
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print(bytearray(m))
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import array
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a = array.array('i', [1, 2, 3, 4])
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m = memoryview(a)
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print(list(m))
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print(list(m[1:-1]))
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m[2] = 6
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print(a)
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