diff options
Diffstat (limited to 'numpy/ma/tests/test_extras.py')
| -rw-r--r-- | numpy/ma/tests/test_extras.py | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/numpy/ma/tests/test_extras.py b/numpy/ma/tests/test_extras.py index 6d56d4dc6..27fac3d63 100644 --- a/numpy/ma/tests/test_extras.py +++ b/numpy/ma/tests/test_extras.py @@ -10,6 +10,7 @@ Adapted from the original test_ma by Pierre Gerard-Marchant from __future__ import division, absolute_import, print_function import warnings +import itertools import numpy as np from numpy.testing import ( @@ -684,6 +685,37 @@ class TestMedian(TestCase): assert_equal(ma_x.shape, (2,), "shape mismatch") assert_(type(ma_x) is MaskedArray) + def test_axis_argument_errors(self): + msg = "mask = %s, ndim = %s, axis = %s, overwrite_input = %s" + for ndmin in range(5): + for mask in [False, True]: + x = array(1, ndmin=ndmin, mask=mask) + + # Valid axis values should not raise exception + args = itertools.product(range(-ndmin, ndmin), [False, True]) + for axis, over in args: + try: + np.ma.median(x, axis=axis, overwrite_input=over) + except: + raise AssertionError(msg % (mask, ndmin, axis, over)) + + # Invalid axis values should raise exception + args = itertools.product([-(ndmin + 1), ndmin], [False, True]) + for axis, over in args: + try: + np.ma.median(x, axis=axis, overwrite_input=over) + except IndexError: + pass + else: + raise AssertionError(msg % (mask, ndmin, axis, over)) + + def test_masked_0d(self): + # Check values + x = array(1, mask=False) + assert_equal(np.ma.median(x), 1) + x = array(1, mask=True) + assert_equal(np.ma.median(x), np.ma.masked) + def test_masked_1d(self): x = array(np.arange(5), mask=True) assert_equal(np.ma.median(x), np.ma.masked) |