def testPassedObjectGetsCleanedUp(self):
import platform
if platform.python_implementation() == 'PyPy':
raise common.unittest.SkipTest(
'PyPy memory model does not pass test')
h = JClass('jpype.attr.Test1')()
block_size = 1024 * 1024 * 10
def allocate_then_free():
byte_buffer = jpype.JClass('java.nio.ByteBuffer')
inst = byte_buffer.allocate(1024 * 1024 * 100)
# passing the object back to java seems to stop it being collected
result = h.callWithSomething(inst)
rt = JClass('java.lang.Runtime').getRuntime()
free = rt.freeMemory()
for x in range(0, 10 * free // block_size):
allocate_then_free()
