def test_gc_after_allocations(self):
"""The resource tracker triggers allocations every 26 allocations."""
tracker = gcutil._ResourceTracker()
collections = []
self.patch(gc, "collect", lambda: collections.append(1))
for _ in range(2):
for _ in range(25):
tracker.allocate()
self.assertEqual(len(collections), 0)
tracker.allocate()
self.assertEqual(len(collections), 1)
del collections[:]
def test_release_delays_gc(self):
"""Releasing a file descriptor resource delays GC collection."""
tracker = gcutil._ResourceTracker()
collections = []
self.patch(gc, "collect", lambda: collections.append(1))
for _ in range(2):
tracker.allocate()
for _ in range(3):
tracker.release()
for _ in range(25):
tracker.allocate()
self.assertEqual(len(collections), 0)
tracker.allocate()
self.assertEqual(len(collections), 1)