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| author | drasmuss <daniel.rasmussen@appliedbrainresearch.com> | 2016-05-02 17:06:26 -0400 |
|---|---|---|
| committer | drasmuss <daniel.rasmussen@appliedbrainresearch.com> | 2016-05-09 09:45:42 -0400 |
| commit | da668fc74653e5caae9f741461c4d20f9df6e5c1 (patch) | |
| tree | b0a29e85a6521e0126b13c86762b64ad8f8ae2e5 /numpy/lib/tests/test_format.py | |
| parent | 1fc180b4c683e79649e5699303722995ca3e8ef9 (diff) | |
| download | numpy-da668fc74653e5caae9f741461c4d20f9df6e5c1.tar.gz | |
BUG: Cast size to int64 when loading from archive
Prevents overflow errors for large arrays on systems
where the default int type is int32.
Diffstat (limited to 'numpy/lib/tests/test_format.py')
| -rw-r--r-- | numpy/lib/tests/test_format.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_format.py b/numpy/lib/tests/test_format.py index a091ef5b3..46b21707f 100644 --- a/numpy/lib/tests/test_format.py +++ b/numpy/lib/tests/test_format.py @@ -836,5 +836,19 @@ def test_large_file_support(): assert_array_equal(r, d) +@dec.slow +def test_large_archive(): + a = np.empty((2 ** 30, 2), dtype=np.uint8) + fname = os.path.join(tempdir, "large_archive") + + with open(fname, "wb") as f: + np.savez(f, arr=a) + + with open(fname, "rb") as f: + new_a = np.load(f)["arr"] + + assert a.shape == new_a.shape + + if __name__ == "__main__": run_module_suite() |