Best Python code snippet using autotest_python
test_memoryview.py
Source:test_memoryview.py
...22 a.frombytes(data)23 return a24 def get_data(a):25 return a.tobytes()26def _runtest(format, nbytes, expected_header, expected_prefix, use_bin_type):27 # create a new array28 original_array = array(format)29 original_array.fromlist([255] * (nbytes // original_array.itemsize))30 original_data = get_data(original_array)31 view = make_memoryview(original_array)32 # pack, unpack, and reconstruct array33 packed = packb(view, use_bin_type=use_bin_type)34 unpacked = unpackb(packed)35 reconstructed_array = make_array(format, unpacked)36 # check that we got the right amount of data37 assert len(original_data) == nbytes38 # check packed header39 assert packed[:1] == expected_header40 # check packed length prefix, if any41 assert packed[1:1+len(expected_prefix)] == expected_prefix42 # check packed data43 assert packed[1+len(expected_prefix):] == original_data44 # check array unpacked correctly45 assert original_array == reconstructed_array46def test_fixstr_from_byte():47 _runtest('B', 1, b'\xa1', b'', False)48 _runtest('B', 31, b'\xbf', b'', False)49def test_fixstr_from_float():50 _runtest('f', 4, b'\xa4', b'', False)51 _runtest('f', 28, b'\xbc', b'', False)52def test_str16_from_byte():53 _runtest('B', 2**8, b'\xda', b'\x01\x00', False)54 _runtest('B', 2**16-1, b'\xda', b'\xff\xff', False)55def test_str16_from_float():56 _runtest('f', 2**8, b'\xda', b'\x01\x00', False)57 _runtest('f', 2**16-4, b'\xda', b'\xff\xfc', False)58def test_str32_from_byte():59 _runtest('B', 2**16, b'\xdb', b'\x00\x01\x00\x00', False)60def test_str32_from_float():61 _runtest('f', 2**16, b'\xdb', b'\x00\x01\x00\x00', False)62def test_bin8_from_byte():63 _runtest('B', 1, b'\xc4', b'\x01', True)64 _runtest('B', 2**8-1, b'\xc4', b'\xff', True)65def test_bin8_from_float():66 _runtest('f', 4, b'\xc4', b'\x04', True)67 _runtest('f', 2**8-4, b'\xc4', b'\xfc', True)68def test_bin16_from_byte():69 _runtest('B', 2**8, b'\xc5', b'\x01\x00', True)70 _runtest('B', 2**16-1, b'\xc5', b'\xff\xff', True)71def test_bin16_from_float():72 _runtest('f', 2**8, b'\xc5', b'\x01\x00', True)73 _runtest('f', 2**16-4, b'\xc5', b'\xff\xfc', True)74def test_bin32_from_byte():75 _runtest('B', 2**16, b'\xc6', b'\x00\x01\x00\x00', True)76def test_bin32_from_float():...
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