unskip testLog2()

Move tests on large integer values from testLog2() to
testLog2Exact().

Author: vstinner

Lib/test/test_math.py

@@ -1245,7 +1245,6 @@ def testLog1p(self):
         self.assertEqual(math.log1p(INF), INF)
 
     @requires_IEEE_754
-    @support.skip_on_newlib
     def testLog2(self):
         self.assertRaises(TypeError, math.log2)
 
@@ -1255,12 +1254,6 @@ def testLog2(self):
         self.assertEqual(math.log2(4), 2.0)
         self.assertEqual(math.log2(MyIndexable(4)), 2.0)
 
-        # Large integer values
-        self.assertEqual(math.log2(2**1023), 1023.0)
-        self.assertEqual(math.log2(2**1024), 1024.0)
-        self.assertEqual(math.log2(2**2000), 2000.0)
-        self.assertEqual(math.log2(MyIndexable(2**2000)), 2000.0)
-
         self.assertRaises(ValueError, math.log2, 0.0)
         self.assertRaises(ValueError, math.log2, 0)
         self.assertRaises(ValueError, math.log2, MyIndexable(0))
@@ -1285,6 +1278,12 @@ def testLog2Exact(self):
         expected = [float(n) for n in range(-1074, 1024)]
         self.assertEqual(actual, expected)
 
+        # Large integer values
+        self.assertEqual(math.log2(2**1023), 1023.0)
+        self.assertEqual(math.log2(2**1024), 1024.0)
+        self.assertEqual(math.log2(2**2000), 2000.0)
+        self.assertEqual(math.log2(MyIndexable(2**2000)), 2000.0)
+
     def testLog10(self):
         self.assertRaises(TypeError, math.log10)
         self.ftest('log10(0.1)', math.log10(0.1), -1)