Mercurial > hg-stable
changeset 40809:4e02f25f31c6
match: test for overflow error in pattern
If a single pattern is too large to handle, we raise an exception. This case is
now doctested.
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Thu, 22 Nov 2018 17:16:05 +0100 |
parents | 8306dac48061 |
children | ce401300f981 |
files | mercurial/match.py |
diffstat | 1 files changed, 10 insertions(+), 1 deletions(-) [+] |
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--- a/mercurial/match.py Thu Nov 22 17:20:32 2018 +0100 +++ b/mercurial/match.py Thu Nov 22 17:16:05 2018 +0100 @@ -1188,7 +1188,16 @@ def _buildregexmatch(kindpats, globsuffix): """Build a match function from a list of kinds and kindpats, - return regexp string and a matcher function.""" + return regexp string and a matcher function. + + Test too large input + >>> _buildregexmatch([ + ... ('relglob', '?' * MAX_RE_SIZE, '') + ... ], '$') + Traceback (most recent call last): + ... + OverflowError + """ try: regex = '(?:%s)' % '|'.join([_regex(k, p, globsuffix) for (k, p, s) in kindpats])