cpython/Lib/test/test_dictcomps.py

55 lines
2.0 KiB
Python
Raw Normal View History

Merged revisions 56782-56847 via svnmerge from svn+ssh://pythondev@svn.python.org/python/branches/p3yk ................ r56808 | kurt.kaiser | 2007-08-07 14:15:45 -0700 (Tue, 07 Aug 2007) | 2 lines Replace sys.exitfunc call with atexit call ................ r56835 | thomas.wouters | 2007-08-08 09:20:30 -0700 (Wed, 08 Aug 2007) | 8 lines Tests for dict comprehensions I forgot to 'svn add' when committing the actual feature. I was _sure_ I had checked in these new tests already, but I guess the checkin failed and I didn't notice. ................ r56847 | guido.van.rossum | 2007-08-09 07:03:34 -0700 (Thu, 09 Aug 2007) | 30 lines Merged revisions 56760-56846 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r56762 | georg.brandl | 2007-08-06 00:37:58 -0700 (Mon, 06 Aug 2007) | 2 lines Place #ifdef Py_USING_UNICODE around decode_unicode(). ........ r56763 | georg.brandl | 2007-08-06 00:39:09 -0700 (Mon, 06 Aug 2007) | 2 lines Replace unnecessary function call. ........ r56764 | georg.brandl | 2007-08-06 00:52:20 -0700 (Mon, 06 Aug 2007) | 2 lines Patch #1765839: add link to https+proxy urllib2 opener. ........ r56797 | georg.brandl | 2007-08-07 00:13:24 -0700 (Tue, 07 Aug 2007) | 2 lines Bug #1769002: fix a now-wrong sentence in the tutorial. ........ r56830 | georg.brandl | 2007-08-08 06:03:41 -0700 (Wed, 08 Aug 2007) | 3 lines Revert the fix for #1548891, it broke backwards compatibility with arbitrary read buffers. Fixes #1730114. ........ r56833 | georg.brandl | 2007-08-08 06:50:02 -0700 (Wed, 08 Aug 2007) | 2 lines Fix compilation warning. ........ ................
2007-08-09 11:26:58 -03:00
doctests = """
>>> k = "old value"
>>> { k: None for k in range(10) }
{0: None, 1: None, 2: None, 3: None, 4: None, 5: None, 6: None, 7: None, 8: None, 9: None}
>>> k
'old value'
>>> { k: k+10 for k in range(10) }
{0: 10, 1: 11, 2: 12, 3: 13, 4: 14, 5: 15, 6: 16, 7: 17, 8: 18, 9: 19}
>>> g = "Global variable"
>>> { k: g for k in range(10) }
{0: 'Global variable', 1: 'Global variable', 2: 'Global variable', 3: 'Global variable', 4: 'Global variable', 5: 'Global variable', 6: 'Global variable', 7: 'Global variable', 8: 'Global variable', 9: 'Global variable'}
>>> { k: v for k in range(10) for v in range(10) if k == v }
{0: 0, 1: 1, 2: 2, 3: 3, 4: 4, 5: 5, 6: 6, 7: 7, 8: 8, 9: 9}
>>> { k: v for v in range(10) for k in range(v*9, v*10) }
{9: 1, 18: 2, 19: 2, 27: 3, 28: 3, 29: 3, 36: 4, 37: 4, 38: 4, 39: 4, 45: 5, 46: 5, 47: 5, 48: 5, 49: 5, 54: 6, 55: 6, 56: 6, 57: 6, 58: 6, 59: 6, 63: 7, 64: 7, 65: 7, 66: 7, 67: 7, 68: 7, 69: 7, 72: 8, 73: 8, 74: 8, 75: 8, 76: 8, 77: 8, 78: 8, 79: 8, 81: 9, 82: 9, 83: 9, 84: 9, 85: 9, 86: 9, 87: 9, 88: 9, 89: 9}
>>> { x: y for y, x in ((1, 2), (3, 4)) } = 5 # doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
SyntaxError: ...
>>> { x: y for y, x in ((1, 2), (3, 4)) } += 5 # doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
SyntaxError: ...
"""
__test__ = {'doctests' : doctests}
def test_main(verbose=None):
import sys
from test import test_support
from test import test_dictcomps
test_support.run_doctest(test_dictcomps, verbose)
# verify reference counting
if verbose and hasattr(sys, "gettotalrefcount"):
import gc
counts = [None] * 5
for i in range(len(counts)):
test_support.run_doctest(test_dictcomps, verbose)
gc.collect()
counts[i] = sys.gettotalrefcount()
print(counts)
if __name__ == "__main__":
test_main(verbose=True)