GH-102341: Improve the test function for pow

ppmfloss · ppmfloss · commit 3bb233dc44ef · 2023-02-28T16:26:23.000-05:00
diff --git a/Lib/test/test_pow.py b/Lib/test/test_pow.py
@@ -22,9 +22,10 @@ def powtest(self, type):
             for othertype in (int,):
                 for i in list(range(-10, 0)) + list(range(1, 10)):
                     ii = type(i)
+                    inv = pow(ii, -1) # inverse of ii
                     for j in range(1, 11):
                         jj = -othertype(j)
-                        pow(ii, jj)
+                        self.assertAlmostEqual(pow(ii, jj), pow(inv, -jj))
 
         for othertype in int, float:
             for i in range(1, 100):
