diff options
Diffstat (limited to 'Lib/test/test_doctest.py')
| -rw-r--r-- | Lib/test/test_doctest.py | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py index d17ca1a..eb0b10c 100644 --- a/Lib/test/test_doctest.py +++ b/Lib/test/test_doctest.py @@ -1032,6 +1032,107 @@ treated as equal: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19] +The NORMALIZE_NUMBERS flag causes numbers that are equal (to +approximately 10 decimal places) but formatted differently to match. + + >>> def f(x): ''' + ... Numbers will match if they are exactly equal: + ... + ... >>> print 1.1, 'intervening text', 1L # should match + ... 1.1 intervening text 1L + ... >>> print 1.0j, 22, 22.0, 1, 1e1 # should match + ... 1j 22.0 22 1 10.0 + ... + ... Numbers will match if they are equal to 14 digits of + ... precision: + ... + ... >>> 2.00000000001 # should match + ... 1.99999999999 + ... >>> 2.000000001 # should not match + ... 1.999999999 + ... >>> 2.00000000001e10 # should match + ... 1.99999999999e10 + ... >>> 2.000000001e10 # should not match + ... 1.999999999e10 + ... ''' + + >>> # Without the flag: + >>> test = doctest.DocTestFinder().find(f)[0] + >>> doctest.DocTestRunner(verbose=False).run(test) + ... # doctest: +ELLIPSIS + ********************************************************************** + File ..., line 4, in f + Failed example: + print 1.1, 'intervening text', 1L # should match + Expected: + 1.1 intervening text 1L + Got: + 1.1 intervening text 1 + ********************************************************************** + File ..., line 6, in f + Failed example: + print 1.0j, 22, 22.0, 1, 1e1 # should match + Expected: + 1j 22.0 22 1 10.0 + Got: + 1j 22 22.0 1 10.0 + ********************************************************************** + File ..., line 12, in f + Failed example: + 2.00000000001 # should match + Expected: + 1.99999999999 + Got: + 2.00000000001 + ********************************************************************** + File ..., line 14, in f + Failed example: + 2.000000001 # should not match + Expected: + 1.999999999 + Got: + 2.0000000010000001 + ********************************************************************** + File ..., line 16, in f + Failed example: + 2.00000000001e10 # should match + Expected: + 1.99999999999e10 + Got: + 20000000000.099998 + ********************************************************************** + File ..., line 18, in f + Failed example: + 2.000000001e10 # should not match + Expected: + 1.999999999e10 + Got: + 20000000010.0 + (6, 6) + + >>> # With the flag: + >>> test = doctest.DocTestFinder().find(f)[0] + >>> flags = doctest.NORMALIZE_NUMBERS + >>> doctest.DocTestRunner(verbose=False, optionflags=flags).run(test) + ... # doctest: +ELLIPSIS + ********************************************************************** + File ..., line 14, in f + Failed example: + 2.000000001 # should not match + Expected: + 1.999999999 + Got: + 2.0000000010000001 + ********************************************************************** + File ..., line 18, in f + Failed example: + 2.000000001e10 # should not match + Expected: + 1.999999999e10 + Got: + 20000000010.0 + (2, 6) + The ELLIPSIS flag causes ellipsis marker ("...") in the expected output to match any substring in the actual output: |