diff options
Diffstat (limited to 'numpy/lib/tests')
-rw-r--r-- | numpy/lib/tests/test_ufunclike.py | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/numpy/lib/tests/test_ufunclike.py b/numpy/lib/tests/test_ufunclike.py index 97d608ecf..0b152540f 100644 --- a/numpy/lib/tests/test_ufunclike.py +++ b/numpy/lib/tests/test_ufunclike.py @@ -1,9 +1,11 @@ from __future__ import division, absolute_import, print_function +import numpy as np import numpy.core as nx import numpy.lib.ufunclike as ufl from numpy.testing import ( - run_module_suite, TestCase, assert_, assert_equal, assert_array_equal + run_module_suite, TestCase, assert_, assert_equal, assert_array_equal, + assert_warns ) @@ -61,5 +63,35 @@ class TestUfunclike(TestCase): assert_(isinstance(f, MyArray)) assert_equal(f.metadata, 'foo') + # check 0d arrays don't decay to scalars + m0d = m[0,...] + m0d.metadata = 'bar' + f0d = ufl.fix(m0d) + assert_(isinstance(f0d, MyArray)) + assert_equal(f0d.metadata, 'bar') + + def test_deprecated(self): + # NumPy 1.13.0, 2017-04-26 + assert_warns(DeprecationWarning, ufl.fix, [1, 2], y=nx.empty(2)) + assert_warns(DeprecationWarning, ufl.isposinf, [1, 2], y=nx.empty(2)) + assert_warns(DeprecationWarning, ufl.isneginf, [1, 2], y=nx.empty(2)) + + def test_scalar(self): + x = np.inf + actual = np.isposinf(x) + expected = np.True_ + assert_equal(actual, expected) + assert_equal(type(actual), type(expected)) + + x = -3.4 + actual = np.fix(x) + expected = np.float64(-3.0) + assert_equal(actual, expected) + assert_equal(type(actual), type(expected)) + + out = np.array(0.0) + actual = np.fix(x, out=out) + assert_(actual is out) + if __name__ == "__main__": run_module_suite() |