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author | Julian Taylor <jtaylor.debian@googlemail.com> | 2014-01-14 21:52:34 +0100 |
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committer | Julian Taylor <jtaylor.debian@googlemail.com> | 2014-01-14 21:55:04 +0100 |
commit | bba4ed5398d9b9102d7bd51ebb3ce84a62291c23 (patch) | |
tree | 47af0e2a71c891566ee4e165bc86abd6fad87f38 /numpy/lib/tests/test_format.py | |
parent | a4d1e26c56d29fa24cae8570cdedd9d6064679c4 (diff) | |
download | numpy-bba4ed5398d9b9102d7bd51ebb3ce84a62291c23.tar.gz |
TST: document reason for truncate instead of seek past end
Diffstat (limited to 'numpy/lib/tests/test_format.py')
-rw-r--r-- | numpy/lib/tests/test_format.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_format.py b/numpy/lib/tests/test_format.py index 73b1e7c12..c294637ad 100644 --- a/numpy/lib/tests/test_format.py +++ b/numpy/lib/tests/test_format.py @@ -626,6 +626,9 @@ def test_large_file_support(): # try creating a large sparse file with tempfile.NamedTemporaryFile() as tf: try: + # seek past end would work too, but linux truncate somewhat + # increases the chances that we have a sparse filesystem and can + # avoid actually writing 5GB import subprocess as sp sp.check_call(["truncate", "-s", "5368709120", tf.name]) except: |