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Diffstat (limited to 'numpy/lib/tests/test_function_base.py')
| -rw-r--r-- | numpy/lib/tests/test_function_base.py | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/numpy/lib/tests/test_function_base.py b/numpy/lib/tests/test_function_base.py index 4c7c0480c..afcb81eff 100644 --- a/numpy/lib/tests/test_function_base.py +++ b/numpy/lib/tests/test_function_base.py @@ -2399,6 +2399,14 @@ class TestPiecewise: assert_array_equal(y, np.array([[-1., -1., -1.], [3., 3., 1.]])) + def test_subclasses(self): + class subclass(np.ndarray): + pass + x = np.arange(5.).view(subclass) + r = piecewise(x, [x<2., x>=4], [-1., 1., 0.]) + assert_equal(type(r), subclass) + assert_equal(r, [-1., -1., 0., 0., 1.]) + class TestBincount: |