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authorMarten van Kerkwijk <mhvk@astro.utoronto.ca>2017-01-11 10:36:21 -0500
committerMarten van Kerkwijk <mhvk@astro.utoronto.ca>2017-01-11 12:23:35 -0500
commit960ec0a4eab51ccc33e6a030d870f93300656df4 (patch)
tree2618102c9152641e1c3f58eac3dafc957418977e /numpy/testing/tests
parent124c3d809d5b2cca79957299ed126efd1300dffe (diff)
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Ensure inf/nan removal in assert_array_compare is matrix-safe.
Diffstat (limited to 'numpy/testing/tests')
-rw-r--r--numpy/testing/tests/test_utils.py28
1 files changed, 28 insertions, 0 deletions
diff --git a/numpy/testing/tests/test_utils.py b/numpy/testing/tests/test_utils.py
index a05fc3bdb..804f22b7f 100644
--- a/numpy/testing/tests/test_utils.py
+++ b/numpy/testing/tests/test_utils.py
@@ -303,6 +303,20 @@ class TestArrayAlmostEqual(_GenericTest, unittest.TestCase):
self._assert_func(b, a)
self._assert_func(b, b)
+ def test_matrix(self):
+ # Matrix slicing keeps things 2-D, while array does not necessarily.
+ # See gh-8452.
+ m1 = np.matrix([[1., 2.]])
+ m2 = np.matrix([[1., np.nan]])
+ m3 = np.matrix([[1., -np.inf]])
+ m4 = np.matrix([[np.nan, np.inf]])
+ m5 = np.matrix([[1., 2.], [np.nan, np.inf]])
+ for m in m1, m2, m3, m4, m5:
+ self._assert_func(m, m)
+ a = np.array(m)
+ self._assert_func(a, m)
+ self._assert_func(m, a)
+
def test_subclass_that_cannot_be_bool(self):
# While we cannot guarantee testing functions will always work for
# subclasses, the tests should ideally rely only on subclasses having
@@ -402,6 +416,20 @@ class TestAlmostEqual(_GenericTest, unittest.TestCase):
# remove anything that's not the array string
self.assertEqual(str(e).split('%)\n ')[1], b)
+ def test_matrix(self):
+ # Matrix slicing keeps things 2-D, while array does not necessarily.
+ # See gh-8452.
+ m1 = np.matrix([[1., 2.]])
+ m2 = np.matrix([[1., np.nan]])
+ m3 = np.matrix([[1., -np.inf]])
+ m4 = np.matrix([[np.nan, np.inf]])
+ m5 = np.matrix([[1., 2.], [np.nan, np.inf]])
+ for m in m1, m2, m3, m4, m5:
+ self._assert_func(m, m)
+ a = np.array(m)
+ self._assert_func(a, m)
+ self._assert_func(m, a)
+
def test_subclass_that_cannot_be_bool(self):
# While we cannot guarantee testing functions will always work for
# subclasses, the tests should ideally rely only on subclasses having