Merge pull request numpy#14326 from maxwell-aladago/assert_array_equal

TST: Add assert_array_equal test for big integer arrays.

Author: charris

numpy/testing/tests/test_utils.py

@@ -90,6 +90,21 @@ def foo(t):
         for t in ['S1', 'U1']:
             foo(t)
 
+    def test_0_ndim_array(self):
+        x = np.array(473963742225900817127911193656584771)
+        y = np.array(18535119325151578301457182298393896)
+        assert_raises(AssertionError, self._assert_func, x, y)
+
+        y = x
+        self._assert_func(x, y)
+
+        x = np.array(43)
+        y = np.array(10)
+        assert_raises(AssertionError, self._assert_func, x, y)
+
+        y = x
+        self._assert_func(x, y)
+
     def test_generic_rank3(self):
         """Test rank 3 array for all dtypes."""
         def foo(t):