Test that isin output is C-contiguous when input is strided

Author: ndgrigorian

dpctl/tests/test_tensor_isin.py

@@ -111,13 +111,15 @@ def test_isin_strided(dtype):
     assert not dpt.any(r1[:, -1])
     assert not dpt.any(x[:, 1::2])
     assert r1.shape == x_s.shape
+    assert r1.flags.c_contiguous
 
     # test with invert keyword
     r2 = dpt.isin(x_s, test, invert=True)
     assert not dpt.any(r2[:, :-1])
     assert dpt.all(r2[:, -1])
     assert not dpt.any(x[:, 1:2])
     assert r2.shape == x_s.shape
+    assert r2.flags.c_contiguous
 
 
 def test_isin_strided_bool():
@@ -133,13 +135,15 @@ def test_isin_strided_bool():
     assert not dpt.any(r1[:, -1])
     assert not dpt.any(x[:, 1::2])
     assert r1.shape == x_s.shape
+    assert r1.flags.c_contiguous
 
     # test with invert keyword
     r2 = dpt.isin(x_s, test, invert=True)
     assert not dpt.any(r2[:, :-1])
     assert dpt.all(r2[:, -1])
     assert not dpt.any(x[:, 1:2])
     assert r2.shape == x_s.shape
+    assert r2.flags.c_contiguous
 
 
 @pytest.mark.parametrize("dt1", _numeric_dtypes)