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authorStefan Krah <skrah@bytereef.org>2012-04-05 13:46:19 (GMT)
committerStefan Krah <skrah@bytereef.org>2012-04-05 13:46:19 (GMT)
commitff3eca0cc3c2b0e57079140af313682eecc5f4cc (patch)
tree1fb0ca20e28298b4c608843184a418c1fe999e94 /Lib/test/test_decimal.py
parent0774e9b9f57197380c796d36353344cb95ed07bf (diff)
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Allow printing a leading '-' and the maximum number of exponent digits
rather than raising RuntimeError (allocated space is sufficient for the additional character).
Diffstat (limited to 'Lib/test/test_decimal.py')
-rw-r--r--Lib/test/test_decimal.py48
1 files changed, 48 insertions, 0 deletions
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index 90f4015..781df1f 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -4977,6 +4977,54 @@ class CWhitebox(unittest.TestCase):
x = "1e%d" % (-sys.maxsize-1)
self.assertRaises(InvalidOperation, Decimal, x)
+ def test_from_tuple(self):
+ Decimal = C.Decimal
+ localcontext = C.localcontext
+ InvalidOperation = C.InvalidOperation
+ Overflow = C.Overflow
+ Underflow = C.Underflow
+
+ with localcontext() as c:
+
+ c.traps[InvalidOperation] = True
+ c.traps[Overflow] = True
+ c.traps[Underflow] = True
+
+ # SSIZE_MAX
+ x = (1, (), sys.maxsize)
+ self.assertEqual(str(c.create_decimal(x)), '-0E+999999')
+ self.assertRaises(InvalidOperation, Decimal, x)
+
+ x = (1, (0, 1, 2), sys.maxsize)
+ self.assertRaises(Overflow, c.create_decimal, x)
+ self.assertRaises(InvalidOperation, Decimal, x)
+
+ # SSIZE_MIN
+ x = (1, (), -sys.maxsize-1)
+ self.assertEqual(str(c.create_decimal(x)), '-0E-1000026')
+ self.assertRaises(InvalidOperation, Decimal, x)
+
+ x = (1, (0, 1, 2), -sys.maxsize-1)
+ self.assertRaises(Underflow, c.create_decimal, x)
+ self.assertRaises(InvalidOperation, Decimal, x)
+
+ # OverflowError
+ x = (1, (), sys.maxsize+1)
+ self.assertRaises(OverflowError, c.create_decimal, x)
+ self.assertRaises(OverflowError, Decimal, x)
+
+ x = (1, (), -sys.maxsize-2)
+ self.assertRaises(OverflowError, c.create_decimal, x)
+ self.assertRaises(OverflowError, Decimal, x)
+
+ # Specials
+ x = (1, (), "N")
+ self.assertEqual(str(Decimal(x)), '-sNaN')
+ x = (1, (0,), "N")
+ self.assertEqual(str(Decimal(x)), '-sNaN')
+ x = (1, (0, 1), "N")
+ self.assertEqual(str(Decimal(x)), '-sNaN1')
+
all_tests = [
CExplicitConstructionTest, PyExplicitConstructionTest,