mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-10-25 05:01:26 +03:00
46 lines
1.1 KiB
Python
Executable File
46 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
import pytest
|
|
|
|
from PIL import Image
|
|
|
|
from .helper import is_win32
|
|
|
|
min_iterations = 100
|
|
max_iterations = 10000
|
|
|
|
pytestmark = pytest.mark.skipif(is_win32(), reason="requires Unix or macOS")
|
|
|
|
|
|
def _get_mem_usage():
|
|
from resource import RUSAGE_SELF, getpagesize, getrusage
|
|
|
|
mem = getrusage(RUSAGE_SELF).ru_maxrss
|
|
return mem * getpagesize() / 1024 / 1024
|
|
|
|
|
|
def _test_leak(min_iterations, max_iterations, fn, *args, **kwargs):
|
|
mem_limit = None
|
|
for i in range(max_iterations):
|
|
fn(*args, **kwargs)
|
|
mem = _get_mem_usage()
|
|
if i < min_iterations:
|
|
mem_limit = mem + 1
|
|
continue
|
|
msg = f"memory usage limit exceeded after {i + 1} iterations"
|
|
assert mem <= mem_limit, msg
|
|
|
|
|
|
def test_leak_putdata():
|
|
im = Image.new("RGB", (25, 25))
|
|
_test_leak(min_iterations, max_iterations, im.putdata, im.getdata())
|
|
|
|
|
|
def test_leak_getlist():
|
|
im = Image.new("P", (25, 25))
|
|
_test_leak(
|
|
min_iterations,
|
|
max_iterations,
|
|
# Pass a new list at each iteration.
|
|
lambda: im.point(range(256)),
|
|
)
|