Add sycl_queue and usm_type tests

Author: vlad-perevezentsev

dpnp/tests/test_sycl_queue.py

@@ -9,6 +9,7 @@
 from numpy.testing import assert_array_equal, assert_raises
 
 import dpnp
+import dpnp.linalg
 from dpnp.dpnp_array import dpnp_array
 from dpnp.dpnp_utils import get_usm_allocations
 
@@ -1602,6 +1603,20 @@ def test_lu_factor(self, data, device):
             param_queue = param.sycl_queue
             assert_sycl_queue_equal(param_queue, a.sycl_queue)
 
+    @pytest.mark.parametrize(
+        "data",
+        [[1.0, 2.0], numpy.empty((2, 0))],
+    )
+    def test_lu_solve(self, data, device):
+        a = dpnp.array([[1.0, 2.0], [3.0, 5.0]], device=device)
+        lu, piv = dpnp.linalg.lu_factor(a)
+        b = dpnp.array(data, device=device)
+
+        result = dpnp.linalg.lu_solve((lu, piv), b)
+
+        assert_sycl_queue_equal(result.sycl_queue, a.sycl_queue)
+        assert_sycl_queue_equal(result.sycl_queue, b.sycl_queue)
+
     @pytest.mark.parametrize("n", [-1, 0, 1, 2, 3])
     def test_matrix_power(self, n, device):
         x = dpnp.array([[1.0, 2.0], [3.0, 5.0]], device=device)

dpnp/tests/test_usm_type.py

@@ -1480,6 +1480,24 @@ def test_lu_factor(self, data, usm_type):
         for param in result:
             assert param.usm_type == a.usm_type
 
+    @pytest.mark.parametrize("usm_type_rhs", list_of_usm_types)
+    @pytest.mark.parametrize(
+        "data",
+        [[1.0, 2.0], numpy.empty((2, 0))],
+    )
+    def test_lu_solve(self, data, usm_type, usm_type_rhs):
+        a = dpnp.array(data, usm_type=usm_type)
+        lu, piv = dpnp.linalg.lu_factor(a)
+        b = dpnp.array(data, usm_type=usm_type_rhs)
+
+        result = dpnp.linalg.lu_solve((lu, piv), b)
+
+        assert lu.usm_type == usm_type
+        assert b.usm_type == usm_type_rhs
+        assert result.usm_type == du.get_coerced_usm_type(
+            [usm_type, usm_type_rhs]
+        )
+
     @pytest.mark.parametrize("n", [-1, 0, 1, 2, 3])
     def test_matrix_power(self, n, usm_type):
         a = dpnp.array([[1, 2], [3, 5]], usm_type=usm_type)