From 954d4a2235865af388f3d8ce4dc7793ba4703139 Mon Sep 17 00:00:00 2001 From: Louis Dionne Date: Fri, 24 Aug 2018 14:10:28 +0000 Subject: [libc++] Fix handling of negated character classes in regex Summary: This commit fixes a regression introduced in r316095, where we don't match inverted character classes when there's no negated characrers in the []'s. rdar://problem/43060054 Reviewers: mclow.lists, timshen, EricWF Subscribers: christof, dexonsmith, cfe-commits Differential Revision: https://reviews.llvm.org/D50534 llvm-svn: 340609 --- .../inverted_character_classes.pass.cpp | 44 ++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 libcxx/test/std/re/re.alg/re.alg.match/inverted_character_classes.pass.cpp (limited to 'libcxx/test/std/re/re.alg/re.alg.match/inverted_character_classes.pass.cpp') diff --git a/libcxx/test/std/re/re.alg/re.alg.match/inverted_character_classes.pass.cpp b/libcxx/test/std/re/re.alg/re.alg.match/inverted_character_classes.pass.cpp new file mode 100644 index 00000000000..5a19edc1a4d --- /dev/null +++ b/libcxx/test/std/re/re.alg/re.alg.match/inverted_character_classes.pass.cpp @@ -0,0 +1,44 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// +// UNSUPPORTED: c++98, c++03 + +// Make sure that we correctly match inverted character classes. + +#include +#include + + +int main() { + assert(std::regex_match("X", std::regex("[X]"))); + assert(std::regex_match("X", std::regex("[XY]"))); + assert(!std::regex_match("X", std::regex("[^X]"))); + assert(!std::regex_match("X", std::regex("[^XY]"))); + + assert(std::regex_match("X", std::regex("[\\S]"))); + assert(!std::regex_match("X", std::regex("[^\\S]"))); + + assert(!std::regex_match("X", std::regex("[\\s]"))); + assert(std::regex_match("X", std::regex("[^\\s]"))); + + assert(std::regex_match("X", std::regex("[\\s\\S]"))); + assert(std::regex_match("X", std::regex("[^Y\\s]"))); + assert(!std::regex_match("X", std::regex("[^X\\s]"))); + + assert(std::regex_match("X", std::regex("[\\w]"))); + assert(std::regex_match("_", std::regex("[\\w]"))); + assert(!std::regex_match("X", std::regex("[^\\w]"))); + assert(!std::regex_match("_", std::regex("[^\\w]"))); + + assert(!std::regex_match("X", std::regex("[\\W]"))); + assert(!std::regex_match("_", std::regex("[\\W]"))); + assert(std::regex_match("X", std::regex("[^\\W]"))); + assert(std::regex_match("_", std::regex("[^\\W]"))); +} -- cgit v1.2.3