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add test_map_with_buffersize_on_empty_iterable
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Lib/test/test_concurrent_futures/executor.py

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@@ -96,6 +96,11 @@ def test_map_with_buffersize_on_iterable_smaller_than_buffer(self):
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results = self.executor.map(str, it, buffersize=10)
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self.assertListEqual(list(results), list(map(str, it)))
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def test_map_with_buffersize_on_empty_iterable(self):
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it = iter([])
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results = self.executor.map(str, it, buffersize=10)
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self.assertListEqual(list(results), [])
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def test_map_with_buffersize_when_buffer_becomes_full(self):
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manager = Manager()
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iterable = range(8)

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