PEP 410

1 files changed, 29 insertions, 4 deletions

diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
index a89c511..52904fa 100644
--- a/Lib/test/test_time.py
+++ b/Lib/test/test_time.py
@@ -1,10 +1,10 @@
+import locale
+import platform
+import sys
+import sysconfig
 from test import support
 import time
 import unittest
-import locale
-import sysconfig
-import sys
-import platform
 
 # Max year is only limited by the size of C int.
 SIZEOF_INT = sysconfig.get_config_var('SIZEOF_INT') or 4
@@ -345,6 +345,31 @@ class TimeTestCase(unittest.TestCase):
         self.assertGreater(t2, t1)
         self.assertAlmostEqual(dt, 0.1, delta=0.2)
 
+    def test_timestamp(self):
+        import decimal
+        calls = [
+            (time.time,),
+            (time.mktime, time.localtime()),
+        ]
+        if hasattr(time, 'monotonic'):
+            calls.append((time.monotonic,))
+        if hasattr(time, 'wallclock'):
+            calls.append((time.wallclock,))
+        if hasattr(time, 'CLOCK_REALTIME'):
+            if hasattr(time, 'clock_gettime'):
+                calls.append((time.clock_gettime, time.CLOCK_REALTIME))
+            if hasattr(time, 'clock_getres'):
+                calls.append((time.clock_getres, time.CLOCK_REALTIME))
+        for call in calls:
+            func, *args = call
+
+            # test invalid timestamp
+            for invalid in ("int", decimal.Context):
+                self.assertRaises(ValueError, func, *args, timestamp=invalid)
+
+            for type in (int, float, decimal.Decimal):
+                self.assertIsInstance(func(*args, timestamp=type), type)
+
     def test_wallclock(self):
         t1 = time.wallclock()
         t2 = time.wallclock()