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Diffstat (limited to 'numpy/random/tests')
| -rw-r--r-- | numpy/random/tests/test_generator_mt19937.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/numpy/random/tests/test_generator_mt19937.py b/numpy/random/tests/test_generator_mt19937.py index b69cd38d4..c4fb5883c 100644 --- a/numpy/random/tests/test_generator_mt19937.py +++ b/numpy/random/tests/test_generator_mt19937.py @@ -1666,6 +1666,21 @@ class TestRandomDist: # DBL_MAX by increasing fmin a bit random.uniform(low=np.nextafter(fmin, 1), high=fmax / 1e17) + def test_uniform_zero_range(self): + func = random.uniform + result = func(1.5, 1.5) + assert_allclose(result, 1.5) + result = func([0.0, np.pi], [0.0, np.pi]) + assert_allclose(result, [0.0, np.pi]) + result = func([[2145.12], [2145.12]], [2145.12, 2145.12]) + assert_allclose(result, 2145.12 + np.zeros((2, 2))) + + def test_uniform_neg_range(self): + func = 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 # when called with objects that throw exceptions when converted to |