summaryrefslogtreecommitdiffstats
path: root/Lib/test/test_re.py
diff options
context:
space:
mode:
authorGuido van Rossum <guido@python.org>1997-12-08 17:12:06 (GMT)
committerGuido van Rossum <guido@python.org>1997-12-08 17:12:06 (GMT)
commitdfa6790bd67bd6fc310834d3b087a574d93e6485 (patch)
treec6725e51d025ee9289adc039a2fdf2d7d9c1d3e2 /Lib/test/test_re.py
parentf3d729c8f9c1fa77cfa55a7ff8fd8c3738bb01fd (diff)
downloadcpython-dfa6790bd67bd6fc310834d3b087a574d93e6485.zip
cpython-dfa6790bd67bd6fc310834d3b087a574d93e6485.tar.gz
cpython-dfa6790bd67bd6fc310834d3b087a574d93e6485.tar.bz2
New re version from AMK
Diffstat (limited to 'Lib/test/test_re.py')
-rw-r--r--Lib/test/test_re.py50
1 files changed, 42 insertions, 8 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index d90e2a8..83eab9f 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -4,7 +4,6 @@
from test_support import verbose, TestFailed
import re
-import reop
import sys, os, string, traceback
# Misc tests from Tim Peters' re.doc
@@ -23,12 +22,13 @@ try:
assert re.sub('.', lambda m: r"\n", 'x') == '\\n'
assert re.sub('.', r"\n", 'x') == '\n'
-
+
s = r"\1\1"
assert re.sub('(.)', s, 'x') == 'xx'
assert re.sub('(.)', re.escape(s), 'x') == s
assert re.sub('(.)', lambda m: s, 'x') == s
+ assert re.sub('(?P<a>x)', '\g<a>\g<a>', 'xx') == 'xxxx'
assert re.sub('(?P<unk>x)', '\g<unk>\g<unk>', 'xx') == 'xxxx'
assert re.sub('a', r'\t\n\v\r\f\a\b\B\Z\a\A\w\W\s\S\d\D', 'a') == '\t\n\v\r\f\a\bBZ\aAwWsSdD'
@@ -98,13 +98,9 @@ try:
assert re.subn("b+", "x", "bbbb BBBB") == ('x BBBB', 1)
assert re.subn("b+", "x", "xyz") == ('xyz', 0)
assert re.subn("b*", "x", "xyz") == ('xxxyxzx', 4)
-
except AssertionError:
raise TestFailed, "re.subn"
-if verbose:
- print 'Running tests on re.split'
-
try:
assert re.split(":", ":a:b::c") == ['', 'a', 'b', '', 'c']
assert re.split(":*", ":a:b::c") == ['', 'a', 'b', 'c']
@@ -119,12 +115,37 @@ try:
except AssertionError:
raise TestFailed, "re.split"
+if verbose:
+ print 'Pickling a RegexObject instance'
+ import pickle
+ pat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
+ s = pickle.dumps(pat)
+ pat = pickle.loads(s)
+
+if verbose:
+ print 'Running tests on re.split'
+
+try:
+ assert re.I == re.IGNORECASE
+ assert re.L == re.LOCALE
+ assert re.M == re.MULTILINE
+ assert re.S == re.DOTALL
+ assert re.X == re.VERBOSE
+except AssertionError:
+ raise TestFailed, 're module constants'
+
+for flags in [re.I, re.M, re.X, re.S]:
+ try:
+ r = re.compile('^pattern$', flags)
+ except:
+ print 'Exception raised on flag', flags
+
from re_tests import *
if verbose:
print 'Running re_tests test suite'
else:
# To save time, only run the first and last 10 tests
- tests = tests[:10] + tests[-10:]
+ pass #tests = tests[:10] + tests[-10:]
for t in tests:
sys.stdout.flush()
@@ -150,7 +171,7 @@ for t in tests:
else:
try:
result=obj.search(s)
- except (re.error, reop.error), msg:
+ except (re.error), msg:
print '=== Unexpected exception', t, repr(msg)
if outcome==SYNTAX_ERROR:
# This should have been a syntax error; forget it.
@@ -190,9 +211,22 @@ for t in tests:
else:
print '=== Failed incorrectly', t
+ # Try the match with the search area limited to the extent
+ # of the match and see if it still succeeds. \B will
+ # break (because it won't match at the end or start of a
+ # string), so we'll ignore patterns that feature it.
+
+ if pattern[:2]!='\\B' and pattern[-2:]!='\\B':
+ obj=re.compile(pattern)
+ result=obj.search(s, pos=result.start(0), endpos=result.end(0)+1)
+ if result==None:
+ print '=== Failed on range-limited match', t
+
# Try the match with IGNORECASE enabled, and check that it
# still succeeds.
obj=re.compile(pattern, re.IGNORECASE)
result=obj.search(s)
if result==None:
print '=== Fails on case-insensitive match', t
+
+