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import pygamegltest
import os
# We have to import at least *one* VBO implementation...
from OpenGL import GL, arrays
from OpenGL.arrays import vbo
try:
import psutil
except ImportError:
psutil = None
try:
unicode
except NameError:
unicode = str
long = int
import pytest
import gc
try:
import numpy as np
except ImportError:
np = None
def get_current_memory():
return psutil.Process(os.getpid()).memory_info().rss
@pytest.mark.skipif(not psutil, reason="No psutil available")
@pytest.mark.skipif(not np, reason="No Numpy available")
@pygamegltest.pygametest()
def test_sf_2980896():
"""Test SF#2980896 report of memory leak on VBO transfer"""
data = arrays.GLfloatArray.zeros((1000,))
memory = get_current_memory()
for i in range(100):
new_vbo = vbo.VBO(data)
with new_vbo:
# data is transferred to the VBO
assert new_vbo is not None, new_vbo
new_vbo.delete()
del new_vbo
gc.collect()
GL.glFinish()
if i < 1:
# the *first* call can load lots of libraries, etc...
memory = get_current_memory()
else:
current = get_current_memory()
assert current - memory < 200, (
"""Shouldn't have any (or at least much) extra RAM allocated, lost: %s"""
% (current - memory)
) # fails only when run in the whole suite...
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