update TestResultType

Author: vtavana

tests/third_party/cupy/test_type_routines.py

@@ -4,6 +4,7 @@
 import pytest
 
 import dpnp as cupy
+from tests.helper import has_support_aspect64
 from tests.third_party.cupy import testing
 
 
@@ -97,6 +98,23 @@ def test_result_type(self, xp, dtype1, dtype2):
         input1 = _generate_type_routines_input(xp, dtype1, self.obj_type1)
 
         input2 = _generate_type_routines_input(xp, dtype2, self.obj_type2)
+
+        flag1 = isinstance(input1, (numpy.ndarray, cupy.ndarray))
+        flag2 = isinstance(input2, (numpy.ndarray, cupy.ndarray))
+        dt1 = cupy.dtype(input1) if not flag1 else None
+        dt2 = cupy.dtype(input2) if not flag2 else None
+        # dpnp takes into account devices capabilities only if one of the
+        # inputs is an array, for such a case, if the other dtype is not
+        # supported by device, dpnp raise ValueError. So, we skip the test.
+        if flag1 or flag2:
+            if (
+                dt1 in [cupy.float64, cupy.complex128]
+                or dt2 in [cupy.float64, cupy.complex128]
+                and not has_support_aspect64()
+            ):
+                pytest.skip("No fp64 support by device.")
+
         ret = xp.result_type(input1, input2)
+
         assert isinstance(ret, numpy.dtype)
         return ret