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| author | Kevin Sheppard <kevin.sheppard@gmail.com> | 2020-12-04 23:03:23 +0000 |
|---|---|---|
| committer | Kevin Sheppard <kevin.k.sheppard@gmail.com> | 2020-12-11 15:27:13 +0000 |
| commit | 52ecd5a97ce3ff4dad72935b8bf67ba2cfb6908e (patch) | |
| tree | 5561b20cf8b0190021275fc395fb52f46d096830 /numpy/random/tests/test_random.py | |
| parent | ba596df4cc23445a117c3785239a75a3cab6b2f2 (diff) | |
| download | numpy-52ecd5a97ce3ff4dad72935b8bf67ba2cfb6908e.tar.gz | |
BUG: Enforce high >= low on uniform number generators
Check that high is weakly larger than low and raise if now
closes #17905
Diffstat (limited to 'numpy/random/tests/test_random.py')
| -rw-r--r-- | numpy/random/tests/test_random.py | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/numpy/random/tests/test_random.py b/numpy/random/tests/test_random.py index c13fc39e3..473ca08e4 100644 --- a/numpy/random/tests/test_random.py +++ b/numpy/random/tests/test_random.py @@ -916,6 +916,12 @@ class TestRandomDist: # account for i386 extended precision DBL_MAX / 1e17 + DBL_MAX > # DBL_MAX by increasing fmin a bit np.random.uniform(low=np.nextafter(fmin, 1), high=fmax / 1e17) + + def test_uniform_neg_range(self): + func = np.random.uniform + assert_raises(ValueError, func, 2, 1) + assert_raises(ValueError, func, [1, 2], [1, 1]) + assert_raises(ValueError, func, [[0, 1],[2, 3]], 2) def test_scalar_exception_propagation(self): # Tests that exceptions are correctly propagated in distributions |