memory/gc/test/test_hook.py::TestIncMiniMarkHooks::()::test_on_gc_collect

self = <rpython.memory.gc.test.test_hook.TestIncMiniMarkHooks object at 0x00000285c553fc20>

    def test_on_gc_collect(self):
        from rpython.memory.gc import incminimark as m
        self.gc.hooks._gc_collect_step_enabled = True
        self.gc.hooks._gc_collect_enabled = True
        self.malloc(S)
        self.gc.collect()
        assert self.gc.hooks.steps == [
            {'oldstate': m.STATE_SCANNING, 'newstate': m.STATE_MARKING},
            {'oldstate': m.STATE_MARKING, 'newstate': m.STATE_SWEEPING},
            {'oldstate': m.STATE_SWEEPING, 'newstate': m.STATE_FINALIZING},
            {'oldstate': m.STATE_FINALIZING, 'newstate': m.STATE_SCANNING}
        ]
        assert self.gc.hooks.collects == [
            {'num_major_collects': 1,
             'arenas_count_before': 0,
             'arenas_count_after': 0,
             'arenas_bytes': 0,
             'rawmalloc_bytes_after': 0,
             'rawmalloc_bytes_before': 0,
             'pinned_objects': 0,
            }
            ]
        assert len(self.gc.hooks.durations) == 4 # 4 steps
        for d in self.gc.hooks.durations:
>           assert d > 0.0
E           AssertionError: assert 0.0 > 0.0

memory\gc\test\test_hook.py:110: AssertionError

builder: rpython-win-x86-64 build #404

test: memory/gc/test/test_hook/py/TestIncMiniMarkHooks/()/test_on_gc_collect