add an assert for numpy.sign

Author: Vahid Tavanashad

dpnp/tests/test_mathematical.py

@@ -2319,6 +2319,7 @@ def test_sign(dtype):
 
     if dtype == dpnp.bool:
         assert_raises(TypeError, dpnp.sign, ia)
+        assert_raises(TypeError, numpy.sign, a)
     else:
         result = dpnp.sign(ia)
         expected = numpy.sign(a)

dpnp/tests/test_strides.py

@@ -68,8 +68,8 @@ def test_1arg_support_complex(func, dtype, stride):
     x = generate_random_numpy_array(10, dtype=dtype)
     a, ia = x[::stride], dpnp.array(x)[::stride]
 
-    if numpy_version() < "2.0.0" and func in ["sign"]:
-        pytest.skip("numpy definition is different for complex numbers.")
+    if numpy_version() < "2.0.0" and func == "sign":
+        pytest.skip("numpy.sign definition is different for complex numbers.")
     # dpnp default is stable
     kwargs = {"kind": "stable"} if func == "argsort" else {}
     result = getattr(dpnp, func)(ia)