()
| 885 | renderer_cache.clear() |
| 886 | |
| 887 | def helper(): |
| 888 | fig, ax = plt.subplots() |
| 889 | fig.draw_without_rendering() |
| 890 | # show we hit the outer cache |
| 891 | assert len(renderer_cache) == 1 |
| 892 | func = renderer_cache[fig.canvas.get_renderer()] |
| 893 | cache_info = func.cache_info() |
| 894 | # show we hit the inner cache |
| 895 | assert cache_info.currsize > 0 |
| 896 | assert cache_info.currsize == cache_info.misses |
| 897 | assert cache_info.hits > cache_info.misses |
| 898 | plt.close(fig) |
| 899 | |
| 900 | helper() |
| 901 | gc.collect() |
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