diff options
Diffstat (limited to 'Lib/test/test_complex.py')
| -rw-r--r-- | Lib/test/test_complex.py | 61 |
1 files changed, 60 insertions, 1 deletions
diff --git a/Lib/test/test_complex.py b/Lib/test/test_complex.py index 87e25841fc..ac19353642 100644 --- a/Lib/test/test_complex.py +++ b/Lib/test/test_complex.py @@ -436,7 +436,66 @@ class ComplexTest(unittest.TestCase): self.assertFloatsAreIdentical(0.0 + z.imag, 0.0 + roundtrip.imag) - + def test_format(self): + # empty format string is same as str() + self.assertEqual(format(1+3j, ''), str(1+3j)) + self.assertEqual(format(1.5+3.5j, ''), str(1.5+3.5j)) + self.assertEqual(format(3j, ''), str(3j)) + self.assertEqual(format(3.2j, ''), str(3.2j)) + self.assertEqual(format(3+0j, ''), str(3+0j)) + self.assertEqual(format(3.2+0j, ''), str(3.2+0j)) + + self.assertEqual(format(1+3j, 'g'), '1+3j') + self.assertEqual(format(3j, 'g'), '0+3j') + self.assertEqual(format(1.5+3.5j, 'g'), '1.5+3.5j') + + self.assertEqual(format(1.5+3.5j, '+g'), '+1.5+3.5j') + self.assertEqual(format(1.5-3.5j, '+g'), '+1.5-3.5j') + self.assertEqual(format(1.5-3.5j, '-g'), '1.5-3.5j') + self.assertEqual(format(1.5+3.5j, ' g'), ' 1.5+3.5j') + self.assertEqual(format(1.5-3.5j, ' g'), ' 1.5-3.5j') + self.assertEqual(format(-1.5+3.5j, ' g'), '-1.5+3.5j') + self.assertEqual(format(-1.5-3.5j, ' g'), '-1.5-3.5j') + + self.assertEqual(format(-1.5-3.5e-20j, 'g'), '-1.5-3.5e-20j') + self.assertEqual(format(-1.5-3.5j, 'f'), '-1.500000-3.500000j') + self.assertEqual(format(-1.5-3.5j, 'F'), '-1.500000-3.500000j') + self.assertEqual(format(-1.5-3.5j, 'e'), '-1.500000e+00-3.500000e+00j') + self.assertEqual(format(-1.5-3.5j, '.2e'), '-1.50e+00-3.50e+00j') + self.assertEqual(format(-1.5-3.5j, '.2E'), '-1.50E+00-3.50E+00j') + self.assertEqual(format(-1.5e10-3.5e5j, '.2G'), '-1.5E+10-3.5E+05j') + + self.assertEqual(format(1.5+3j, '<20g'), '1.5+3j ') + self.assertEqual(format(1.5+3j, '*<20g'), '1.5+3j**************') + self.assertEqual(format(1.5+3j, '>20g'), ' 1.5+3j') + self.assertEqual(format(1.5+3j, '^20g'), ' 1.5+3j ') + self.assertEqual(format(1.5+3j, '<20'), '(1.5+3j) ') + self.assertEqual(format(1.5+3j, '>20'), ' (1.5+3j)') + self.assertEqual(format(1.5+3j, '^20'), ' (1.5+3j) ') + self.assertEqual(format(1.123-3.123j, '^20.2'), ' (1.1-3.1j) ') + + self.assertEqual(format(1.5+3j, '<20.2f'), '1.50+3.00j ') + self.assertEqual(format(1.5e20+3j, '<20.2f'), '150000000000000000000.00+3.00j') + self.assertEqual(format(1.5e20+3j, '>40.2f'), ' 150000000000000000000.00+3.00j') + self.assertEqual(format(1.5e20+3j, '^40,.2f'), ' 150,000,000,000,000,000,000.00+3.00j ') + self.assertEqual(format(1.5e21+3j, '^40,.2f'), ' 1,500,000,000,000,000,000,000.00+3.00j ') + self.assertEqual(format(1.5e21+3000j, ',.2f'), '1,500,000,000,000,000,000,000.00+3,000.00j') + + # alternate is invalid + self.assertRaises(ValueError, (1.5+0.5j).__format__, '#f') + + # zero padding is invalid + self.assertRaises(ValueError, (1.5+0.5j).__format__, '010f') + + # '=' alignment is invalid + self.assertRaises(ValueError, (1.5+3j).__format__, '=20') + + # integer presentation types are an error + for t in 'bcdoxX': + self.assertRaises(ValueError, (1.5+0.5j).__format__, t) + + # make sure everything works in ''.format() + self.assertEqual('*{0:.3f}*'.format(3.14159+2.71828j), '*3.142+2.718j*') def test_main(): support.run_unittest(ComplexTest) |