mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 05:58:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

Issue #5812: Make Fraction('1e6') valid. The Fraction constructor now

Browse source 
accepts all strings accepted by the float and Decimal constructors,
with the exception of strings representing NaNs or infinities.
This commit is contained in:
Mark Dickinson 2009-04-22 17:50:21 +00:00
parent 937491d1a9
commit cf63f2fb88
4 changed files with 47 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Lib/test/test_fractions.py
View file

@ -78,6 +78,11 @@ class FractionTest(unittest.TestCase):
self.assertEquals((-16, 5), _components(F(" -3.2 ")))
self.assertEquals((-3, 1), _components(F(" -3. ")))
self.assertEquals((3, 5), _components(F(" .6 ")))
self.assertEquals((1, 3125), _components(F("32.e-5")))
self.assertEquals((1000000, 1), _components(F("1E+06")))
self.assertEquals((-12300, 1), _components(F("-1.23e4")))
self.assertEquals((0, 1), _components(F(" .0e+0\t")))
self.assertEquals((0, 1), _components(F("-0.000e0")))
self.assertRaisesMessage(
ZeroDivisionError, "Fraction(3, 0)",
@ -85,6 +90,9 @@ class FractionTest(unittest.TestCase):
self.assertRaisesMessage(
ValueError, "Invalid literal for Fraction: '3/'",
F, "3/")
self.assertRaisesMessage(
ValueError, "Invalid literal for Fraction: '/2'",
F, "/2")
self.assertRaisesMessage(
ValueError, "Invalid literal for Fraction: '3 /2'",
F, "3 /2")
@ -100,10 +108,6 @@ class FractionTest(unittest.TestCase):
# Avoid treating '.' as a regex special character.
ValueError, "Invalid literal for Fraction: '3a2'",
F, "3a2")
self.assertRaisesMessage(
# Only parse ordinary decimals, not scientific form.
ValueError, "Invalid literal for Fraction: '3.2e4'",
F, "3.2e4")
self.assertRaisesMessage(
# Don't accept combinations of decimals and rationals.
ValueError, "Invalid literal for Fraction: '3/7.2'",