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45 lines
1.1 KiB
Python
45 lines
1.1 KiB
Python
from __future__ import annotations
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from io import BytesIO
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import pytest
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from PIL import Image
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from .helper import is_win32, skip_unless_feature
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# Limits for testing the leak
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mem_limit = 1024 * 1048576
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stack_size = 8 * 1048576
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iterations = int((mem_limit / stack_size) * 2)
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test_file = "Tests/images/rgb_trns_ycbc.jp2"
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pytestmark = [
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pytest.mark.skipif(is_win32(), reason="requires Unix or macOS"),
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skip_unless_feature("jpg_2000"),
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]
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def test_leak_load() -> None:
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from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit
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setrlimit(RLIMIT_STACK, (stack_size, stack_size))
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setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
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for _ in range(iterations):
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with Image.open(test_file) as im:
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im.load()
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def test_leak_save() -> None:
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from resource import RLIMIT_AS, RLIMIT_STACK, setrlimit
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setrlimit(RLIMIT_STACK, (stack_size, stack_size))
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setrlimit(RLIMIT_AS, (mem_limit, mem_limit))
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for _ in range(iterations):
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with Image.open(test_file) as im:
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im.load()
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test_output = BytesIO()
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im.save(test_output, "JPEG2000")
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test_output.seek(0)
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test_output.read()
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