update datetime tests

Author: gesslerpd

Lib/test/datetimetester.py

@@ -2706,24 +2706,20 @@ def utcfromtimestamp(*args, **kwargs):
             self.assertEqual(zero.second, 0)
             self.assertEqual(zero.microsecond, 0)
             one = fts(1e-6)
-            try:
-                minus_one = fts(-1e-6)
-            except OSError:
-                # localtime(-1) and gmtime(-1) is not supported on Windows
-                pass
-            else:
-                self.assertEqual(minus_one.second, 59)
-                self.assertEqual(minus_one.microsecond, 999999)
-
-                t = fts(-1e-8)
-                self.assertEqual(t, zero)
-                t = fts(-9e-7)
-                self.assertEqual(t, minus_one)
-                t = fts(-1e-7)
-                self.assertEqual(t, zero)
-                t = fts(-1/2**7)
-                self.assertEqual(t.second, 59)
-                self.assertEqual(t.microsecond, 992188)
+            minus_one = fts(-1e-6)
+
+            self.assertEqual(minus_one.second, 59)
+            self.assertEqual(minus_one.microsecond, 999999)
+
+            t = fts(-1e-8)
+            self.assertEqual(t, zero)
+            t = fts(-9e-7)
+            self.assertEqual(t, minus_one)
+            t = fts(-1e-7)
+            self.assertEqual(t, zero)
+            t = fts(-1/2**7)
+            self.assertEqual(t.second, 59)
+            self.assertEqual(t.microsecond, 992188)
 
             t = fts(1e-7)
             self.assertEqual(t, zero)
@@ -2752,22 +2748,18 @@ def utcfromtimestamp(*args, **kwargs):
             self.assertEqual(zero.second, 0)
             self.assertEqual(zero.microsecond, 0)
             one = fts(D('0.000_001'))
-            try:
-                minus_one = fts(D('-0.000_001'))
-            except OSError:
-                # localtime(-1) and gmtime(-1) is not supported on Windows
-                pass
-            else:
-                self.assertEqual(minus_one.second, 59)
-                self.assertEqual(minus_one.microsecond, 999_999)
+            minus_one = fts(D('-0.000_001'))
+
+            self.assertEqual(minus_one.second, 59)
+            self.assertEqual(minus_one.microsecond, 999_999)
 
-                t = fts(D('-0.000_000_1'))
-                self.assertEqual(t, zero)
-                t = fts(D('-0.000_000_9'))
-                self.assertEqual(t, minus_one)
-                t = fts(D(-1)/2**7)
-                self.assertEqual(t.second, 59)
-                self.assertEqual(t.microsecond, 992188)
+            t = fts(D('-0.000_000_1'))
+            self.assertEqual(t, zero)
+            t = fts(D('-0.000_000_9'))
+            self.assertEqual(t, minus_one)
+            t = fts(D(-1)/2**7)
+            self.assertEqual(t.second, 59)
+            self.assertEqual(t.microsecond, 992188)
 
             t = fts(D('0.000_000_1'))
             self.assertEqual(t, zero)
@@ -2803,22 +2795,18 @@ def utcfromtimestamp(*args, **kwargs):
             self.assertEqual(zero.second, 0)
             self.assertEqual(zero.microsecond, 0)
             one = fts(F(1, 1_000_000))
-            try:
-                minus_one = fts(F(-1, 1_000_000))
-            except OSError:
-                # localtime(-1) and gmtime(-1) is not supported on Windows
-                pass
-            else:
-                self.assertEqual(minus_one.second, 59)
-                self.assertEqual(minus_one.microsecond, 999_999)
+            minus_one = fts(F(-1, 1_000_000))
 
-                t = fts(F(-1, 10_000_000))
-                self.assertEqual(t, zero)
-                t = fts(F(-9, 10_000_000))
-                self.assertEqual(t, minus_one)
-                t = fts(F(-1, 2**7))
-                self.assertEqual(t.second, 59)
-                self.assertEqual(t.microsecond, 992188)
+            self.assertEqual(minus_one.second, 59)
+            self.assertEqual(minus_one.microsecond, 999_999)
+
+            t = fts(F(-1, 10_000_000))
+            self.assertEqual(t, zero)
+            t = fts(F(-9, 10_000_000))
+            self.assertEqual(t, minus_one)
+            t = fts(F(-1, 2**7))
+            self.assertEqual(t.second, 59)
+            self.assertEqual(t.microsecond, 992188)
 
             t = fts(F(1, 10_000_000))
             self.assertEqual(t, zero)
@@ -2960,13 +2948,11 @@ def test_insane_utcfromtimestamp(self):
                 self.assertRaises(OverflowError, self.theclass.utcfromtimestamp,
                                   insane)
 
-    @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
     def test_negative_float_fromtimestamp(self):
         # The result is tz-dependent; at least test that this doesn't
         # fail (like it did before bug 1646728 was fixed).
         self.theclass.fromtimestamp(-1.05)
 
-    @unittest.skipIf(sys.platform == "win32", "Windows doesn't accept negative timestamps")
     def test_negative_float_utcfromtimestamp(self):
         with self.assertWarns(DeprecationWarning):
             d = self.theclass.utcfromtimestamp(-1.05)