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Issue #26331: Implement the parsing part of PEP 515.

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Thanks to Georg Brandl for the patch.
This commit is contained in:
Brett Cannon 2016-09-09 14:57:09 -07:00
parent ee73a65745
commit a721abac29
22 changed files with 743 additions and 205 deletions
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10
Lib/test/test_decimal.py
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@ -554,6 +554,10 @@ class ExplicitConstructionTest(unittest.TestCase):
self.assertEqual(str(Decimal(' -7.89')), '-7.89')
self.assertEqual(str(Decimal(" 3.45679 ")), '3.45679')
# underscores
self.assertEqual(str(Decimal('1_3.3e4_0')), '1.33E+41')
self.assertEqual(str(Decimal('1_0_0_0')), '1000')
# unicode whitespace
for lead in ["", ' ', '\u00a0', '\u205f']:
for trail in ["", ' ', '\u00a0', '\u205f']:
@ -578,6 +582,9 @@ class ExplicitConstructionTest(unittest.TestCase):
# embedded NUL
self.assertRaises(InvalidOperation, Decimal, "12\u00003")
# underscores don't prevent errors
self.assertRaises(InvalidOperation, Decimal, "1_2_\u00003")
@cpython_only
def test_from_legacy_strings(self):
import _testcapi
@ -772,6 +779,9 @@ class ExplicitConstructionTest(unittest.TestCase):
self.assertRaises(InvalidOperation, nc.create_decimal, "xyz")
self.assertRaises(ValueError, nc.create_decimal, (1, "xyz", -25))
self.assertRaises(TypeError, nc.create_decimal, "1234", "5678")
# no whitespace and underscore stripping is done with this method
self.assertRaises(InvalidOperation, nc.create_decimal, " 1234")
self.assertRaises(InvalidOperation, nc.create_decimal, "12_34")
# too many NaN payload digits
nc.prec = 3