DecimalContextTestCase: this permanently changed the
default decimal context, causing test_tokenize to fail
if it ran after test_contextlib. Changed to restore
the decimal context in effect at the test's start.
diff --git a/Lib/test/test_contextlib.py b/Lib/test/test_contextlib.py
index 7d601fa..97470c7 100644
--- a/Lib/test/test_contextlib.py
+++ b/Lib/test/test_contextlib.py
@@ -313,20 +313,24 @@
def testBasic(self):
ctx = decimal.getcontext()
- ctx.prec = save_prec = decimal.ExtendedContext.prec + 5
- with decimal.ExtendedContext:
- self.assertEqual(decimal.getcontext().prec,
- decimal.ExtendedContext.prec)
- self.assertEqual(decimal.getcontext().prec, save_prec)
+ orig_context = ctx.copy()
try:
+ ctx.prec = save_prec = decimal.ExtendedContext.prec + 5
with decimal.ExtendedContext:
self.assertEqual(decimal.getcontext().prec,
decimal.ExtendedContext.prec)
- 1/0
- except ZeroDivisionError:
self.assertEqual(decimal.getcontext().prec, save_prec)
- else:
- self.fail("Didn't raise ZeroDivisionError")
+ try:
+ with decimal.ExtendedContext:
+ self.assertEqual(decimal.getcontext().prec,
+ decimal.ExtendedContext.prec)
+ 1/0
+ except ZeroDivisionError:
+ self.assertEqual(decimal.getcontext().prec, save_prec)
+ else:
+ self.fail("Didn't raise ZeroDivisionError")
+ finally:
+ decimal.setcontext(orig_context)
# This is needed to make the test actually run under regrtest.py!