kopia lustrzana https://github.com/micropython/micropython
75 wiersze
1.3 KiB
Python
75 wiersze
1.3 KiB
Python
try:
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bytearray()[:] = bytearray()
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except TypeError:
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print("SKIP")
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raise SystemExit
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# test slices; only 2 argument version supported by MicroPython at the moment
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x = bytearray(range(10))
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# Assignment
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l = bytearray(x)
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l[1:3] = bytearray([10, 20])
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print(l)
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l = bytearray(x)
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l[1:3] = bytearray([10])
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print(l)
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l = bytearray(x)
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l[1:3] = bytearray()
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print(l)
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l = bytearray(x)
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# del l[1:3]
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print(l)
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l = bytearray(x)
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l[:3] = bytearray([10, 20])
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print(l)
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l = bytearray(x)
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l[:3] = bytearray()
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print(l)
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l = bytearray(x)
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# del l[:3]
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print(l)
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l = bytearray(x)
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l[:-3] = bytearray([10, 20])
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print(l)
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l = bytearray(x)
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l[:-3] = bytearray()
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print(l)
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l = bytearray(x)
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# del l[:-3]
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print(l)
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# slice assignment that extends the array
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b = bytearray(2)
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b[2:] = bytearray(10)
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print(b)
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b = bytearray(10)
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b[:-1] = bytearray(500)
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print(len(b), b[0], b[-1])
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# extension with self on RHS
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b = bytearray(x)
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b[4:] = b
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print(b)
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# Assignment of bytes to array slice
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b = bytearray(2)
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b[1:1] = b"12345"
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print(b)
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# Growth of bytearray via slice extension
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b = bytearray(b"12345678")
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b.append(57) # expand and add a bit of unused space at end of the bytearray
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for i in range(400):
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b[-1:] = b"ab" # grow slowly into the unused space
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print(len(b), b)
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# Growth of bytearray via slice extension from itself
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b = bytearray(b"1234567")
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for i in range(3):
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b[-1:] = b
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print(len(b), b)
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