(self)
| 846 | self.assertEqual(out.strip(), b'__del__ called') |
| 847 | |
| 848 | def test_get_stats(self): |
| 849 | stats = gc.get_stats() |
| 850 | self.assertEqual(len(stats), 3) |
| 851 | for st in stats: |
| 852 | self.assertIsInstance(st, dict) |
| 853 | self.assertEqual( |
| 854 | set(st), |
| 855 | {"collected", "collections", "uncollectable", "candidates", "duration"} |
| 856 | ) |
| 857 | self.assertGreaterEqual(st["collected"], 0) |
| 858 | self.assertGreaterEqual(st["collections"], 0) |
| 859 | self.assertGreaterEqual(st["uncollectable"], 0) |
| 860 | self.assertGreaterEqual(st["candidates"], 0) |
| 861 | self.assertGreaterEqual(st["duration"], 0) |
| 862 | # Check that collection counts are incremented correctly |
| 863 | if gc.isenabled(): |
| 864 | self.addCleanup(gc.enable) |
| 865 | gc.disable() |
| 866 | old = gc.get_stats() |
| 867 | gc.collect(0) |
| 868 | new = gc.get_stats() |
| 869 | self.assertEqual(new[0]["collections"], old[0]["collections"] + 1) |
| 870 | self.assertEqual(new[1]["collections"], old[1]["collections"]) |
| 871 | self.assertEqual(new[2]["collections"], old[2]["collections"]) |
| 872 | self.assertGreater(new[0]["duration"], old[0]["duration"]) |
| 873 | self.assertEqual(new[1]["duration"], old[1]["duration"]) |
| 874 | self.assertEqual(new[2]["duration"], old[2]["duration"]) |
| 875 | for stat in ["collected", "uncollectable", "candidates"]: |
| 876 | self.assertGreaterEqual(new[0][stat], old[0][stat]) |
| 877 | self.assertEqual(new[1][stat], old[1][stat]) |
| 878 | self.assertEqual(new[2][stat], old[2][stat]) |
| 879 | gc.collect(2) |
| 880 | old, new = new, gc.get_stats() |
| 881 | self.assertEqual(new[0]["collections"], old[0]["collections"]) |
| 882 | self.assertEqual(new[1]["collections"], old[1]["collections"]) |
| 883 | self.assertEqual(new[2]["collections"], old[2]["collections"] + 1) |
| 884 | self.assertEqual(new[0]["duration"], old[0]["duration"]) |
| 885 | self.assertEqual(new[1]["duration"], old[1]["duration"]) |
| 886 | self.assertGreater(new[2]["duration"], old[2]["duration"]) |
| 887 | for stat in ["collected", "uncollectable", "candidates"]: |
| 888 | self.assertEqual(new[0][stat], old[0][stat]) |
| 889 | self.assertEqual(new[1][stat], old[1][stat]) |
| 890 | self.assertGreaterEqual(new[2][stat], old[2][stat]) |
| 891 | |
| 892 | def test_freeze(self): |
| 893 | gc.freeze() |
nothing calls this directly
no test coverage detected