circuitpython/tests/micropython/heapalloc_fail_bytearray.py

94 lines
1.8 KiB
Python

# test handling of failed heap allocation with bytearray
import micropython
class GetSlice:
def __getitem__(self, idx):
return idx
sl = GetSlice()[:]
# create bytearray
micropython.heap_lock()
try:
bytearray(4)
except MemoryError:
print("MemoryError: bytearray create")
micropython.heap_unlock()
# create bytearray from bytes
micropython.heap_lock()
try:
bytearray(b"0123")
except MemoryError:
print("MemoryError: bytearray create from bytes")
micropython.heap_unlock()
# create bytearray from iterator
r = range(4)
micropython.heap_lock()
try:
bytearray(r)
except MemoryError:
print("MemoryError: bytearray create from iter")
micropython.heap_unlock()
# bytearray add
b = bytearray(4)
micropython.heap_lock()
try:
b + b"01"
except MemoryError:
print("MemoryError: bytearray.__add__")
micropython.heap_unlock()
# bytearray iadd
b = bytearray(4)
micropython.heap_lock()
try:
b += b"01234567"
except MemoryError:
print("MemoryError: bytearray.__iadd__")
micropython.heap_unlock()
print(b)
# bytearray append
b = bytearray(4)
micropython.heap_lock()
try:
for i in range(100):
b.append(1)
except MemoryError:
print("MemoryError: bytearray.append")
micropython.heap_unlock()
# bytearray extend
b = bytearray(4)
micropython.heap_lock()
try:
b.extend(b"01234567")
except MemoryError:
print("MemoryError: bytearray.extend")
micropython.heap_unlock()
# bytearray get with slice
b = bytearray(4)
micropython.heap_lock()
try:
b[sl]
except MemoryError:
print("MemoryError: bytearray subscr get")
micropython.heap_unlock()
# extend bytearray using slice subscr
b = bytearray(4)
micropython.heap_lock()
try:
b[sl] = b"01234567"
except MemoryError:
print("MemoryError: bytearray subscr grow")
micropython.heap_unlock()
print(b)