59 lines
960 B
Python
59 lines
960 B
Python
|
import skip_if
|
||
|
|
|
||
|
|
try:
|
||
|
|
memoryview
|
||
|
|
except:
|
||
|
|
skip_if.skip()
|
||
|
|
|
||
|
|
skip_if.no_slice_assign()
|
||
|
|
|
||
|
|
# test slice assignment between memoryviews
|
||
|
|
b1 = bytearray(b'1234')
|
||
|
|
b2 = bytearray(b'5678')
|
||
|
|
b3 = bytearray(b'5678')
|
||
|
|
m1 = memoryview(b1)
|
||
|
|
m2 = memoryview(b2)
|
||
|
|
m3 = memoryview(b3)
|
||
|
|
m2[1:3] = m1[0:2]
|
||
|
|
print(b2)
|
||
|
|
b3[1:3] = m1[0:2]
|
||
|
|
print(b3)
|
||
|
|
m1[2:4] = b3[1:3]
|
||
|
|
print(b1)
|
||
|
|
|
||
|
|
try:
|
||
|
|
m2[1:3] = b1[0:4]
|
||
|
|
except ValueError:
|
||
|
|
print("ValueError")
|
||
|
|
|
||
|
|
try:
|
||
|
|
m2[1:3] = m1[0:4]
|
||
|
|
except ValueError:
|
||
|
|
print("ValueError")
|
||
|
|
|
||
|
|
try:
|
||
|
|
m2[0:4] = m1[1:3]
|
||
|
|
except ValueError:
|
||
|
|
print("ValueError")
|
||
|
|
|
||
|
|
import array
|
||
|
|
|
||
|
|
# test memoryview of arrays with items sized larger than 1
|
||
|
|
a1 = array.array('i', [0]*5)
|
||
|
|
m4 = memoryview(a1)
|
||
|
|
a2 = array.array('i', [3]*5)
|
||
|
|
m5 = memoryview(a2)
|
||
|
|
m4[1:3] = m5[1:3]
|
||
|
|
print(a1)
|
||
|
|
|
||
|
|
try:
|
||
|
|
m4[1:3] = m2[1:3]
|
||
|
|
except ValueError:
|
||
|
|
print("ValueError")
|
||
|
|
|
||
|
|
# invalid assignment on RHS
|
||
|
|
try:
|
||
|
|
memoryview(array.array('i'))[0:2] = b'1234'
|
||
|
|
except ValueError:
|
||
|
|
print('ValueError')
|