def test_CTypesView__doublebytes(self):
buf1 = sdlextarray.CTypesView(doublebyteseq, USHORT_SIZE, docopy=True)
buf2 = sdlextarray.CTypesView(doublebytebuf, USHORT_SIZE, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
assert isinstance(singlebytes, sdlextarray.CTypesView)
assert singlebytes.is_shared == shared
assert singlebytes.bytesize == len(doublebyteseq) * 2
offset = 0
cnt = 0
for val in singlebytes.to_bytes():
if cnt > 0:
assert val == hibyte16(doublebyteseq[offset])
cnt = 0
offset += 1
else:
assert val == lobyte16(doublebyteseq[offset])
cnt += 1
offset = 0
for val in singlebytes.to_uint16():
assert val == doublebyteseq[offset]
offset += 1
offset = 0
for val in singlebytes.to_uint32():
seqval = create_32b(doublebyteseq, 2, offset)
assert val == seqval
offset += 2
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(doublebyteseq, 2, offset)
assert val == seqval
offset += 4
def test_CTypesView__singlebytes(self):
buf1 = sdlextarray.CTypesView(singlebyteseq, docopy=True)
buf2 = sdlextarray.CTypesView(singlebytebuf, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
assert isinstance(singlebytes, sdlextarray.CTypesView)
assert singlebytes.is_shared == shared
assert singlebytes.bytesize == len(singlebyteseq)
for index, val in enumerate(singlebytes.to_bytes()):
assert val == singlebyteseq[index]
offset = 0
for val in singlebytes.to_uint16():
seqval = create_16b(singlebyteseq, offset)
assert val == seqval
offset += 2
offset = 0
for val in singlebytes.to_uint32():
seqval = create_32b(singlebyteseq, 1, offset)
assert val == seqval
offset += 4
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(singlebyteseq, 1, offset)
assert val == seqval
offset += 8
def test_CTypesView__doublebytes(self):
buf1 = sdlextarray.CTypesView(doublebyteseq, USHORT_SIZE, docopy=True)
buf2 = sdlextarray.CTypesView(doublebytebuf, USHORT_SIZE, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
self.assertIsInstance(singlebytes, sdlextarray.CTypesView)
self.assertEqual(singlebytes.is_shared, shared)
self.assertEqual(singlebytes.bytesize, len(doublebyteseq) * 2)
offset = 0
cnt = 0
for val in singlebytes.to_bytes():
if cnt > 0:
self.assertEqual(val, hibyte16(doublebyteseq[offset]))
cnt = 0
offset += 1
else:
self.assertEqual(val, lobyte16(doublebyteseq[offset]))
cnt += 1
offset = 0
for val in singlebytes.to_uint16():
self.assertEqual(val, doublebyteseq[offset])
offset += 1
offset = 0
for val in singlebytes.to_uint32():
seqval = create_32b(doublebyteseq, 2, offset)
self.assertEqual(val, seqval)
offset += 2
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(doublebyteseq, 2, offset)
self.assertEqual(val, seqval)
offset += 4
def test_CTypesView__singlebytes(self):
buf1 = sdlextarray.CTypesView(singlebyteseq, docopy=True)
buf2 = sdlextarray.CTypesView(singlebytebuf, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
self.assertIsInstance(singlebytes, sdlextarray.CTypesView)
self.assertEqual(singlebytes.is_shared, shared)
self.assertEqual(singlebytes.bytesize, len(singlebyteseq))
for index, val in enumerate(singlebytes.to_bytes()):
self.assertEqual(val, singlebyteseq[index])
offset = 0
for val in singlebytes.to_uint16():
seqval = create_16b(singlebyteseq, offset)
self.assertEqual(val, seqval)
offset += 2
offset = 0
for val in singlebytes.to_uint32():
seqval = create_32b(singlebyteseq, 1, offset)
self.assertEqual(val, seqval)
offset += 4
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(singlebyteseq, 1, offset)
self.assertEqual(val, seqval)
offset += 8
def test_CTypesView__quadbytes(self):
buf1 = sdlextarray.CTypesView(quadbyteseq, UINT_SIZE, docopy=True)
buf2 = sdlextarray.CTypesView(quadbytebuf, UINT_SIZE, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
assert isinstance(singlebytes, sdlextarray.CTypesView)
assert singlebytes.is_shared == shared
assert singlebytes.bytesize == len(quadbyteseq) * 4
offset = 0
cnt = 0
for val in singlebytes.to_bytes():
assert val == ltrbyte32(quadbyteseq[offset], cnt)
if cnt == 3:
offset += 1
cnt = 0
else:
cnt += 1
cnt = 0
offset = 0
for val in singlebytes.to_uint16():
if cnt > 0:
assert val == hibytes32(quadbyteseq[offset])
cnt = 0
offset += 1
else:
assert val == lobytes32(quadbyteseq[offset])
cnt += 1
offset = 0
for val in singlebytes.to_uint32():
assert val == quadbyteseq[offset]
offset += 1
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(quadbyteseq, 4, offset)
assert val == seqval
offset += 2
def test_CTypesView__quadbytes(self):
buf1 = sdlextarray.CTypesView(quadbyteseq, UINT_SIZE, docopy=True)
buf2 = sdlextarray.CTypesView(quadbytebuf, UINT_SIZE, docopy=False)
for singlebytes, shared in ((buf1, False), (buf2, True)):
self.assertIsInstance(singlebytes, sdlextarray.CTypesView)
self.assertEqual(singlebytes.is_shared, shared)
self.assertEqual(singlebytes.bytesize, len(quadbyteseq) * 4)
offset = 0
cnt = 0
for val in singlebytes.to_bytes():
self.assertEqual(val, ltrbyte32(quadbyteseq[offset], cnt))
if cnt == 3:
offset += 1
cnt = 0
else:
cnt += 1
cnt = 0
offset = 0
for val in singlebytes.to_uint16():
if cnt > 0:
self.assertEqual(val, hibytes32(quadbyteseq[offset]))
cnt = 0
offset += 1
else:
self.assertEqual(val, lobytes32(quadbyteseq[offset]))
cnt += 1
offset = 0
for val in singlebytes.to_uint32():
self.assertEqual(val, quadbyteseq[offset])
offset += 1
offset = 0
for val in singlebytes.to_uint64():
seqval = create_64b(quadbyteseq, 4, offset)
self.assertEqual(val, seqval)
offset += 2
def test_CTypesView__repr__(self):
seqs = (
(singlebyteseq, UBYTE_SIZE, 1, False),
(doublebyteseq, USHORT_SIZE, 2, False),
(quadbyteseq, UINT_SIZE, 4, False),
(singlebytebuf, UBYTE_SIZE, 1, True),
(doublebytebuf, USHORT_SIZE, 2, True),
(quadbytebuf, UINT_SIZE, 4, True),
)
for seq, size, factor, shared in seqs:
buf = sdlextarray.CTypesView(seq, size, not shared)
otype = type(seq).__name__
if not shared:
otype = 'array'
text = "CTypesView(type=%s, bytesize=%d, shared=%s)" % \
(otype, len(seq) * factor, shared)
assert text == repr(buf)