88 lines · cpp
1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9// <regex>10 11// class match_results<BidirectionalIterator, Allocator>12 13// template <class ST, class SA>14// basic_string<char_type, ST, SA>15// format(const basic_string<char_type, ST, SA>& fmt,16// regex_constants::match_flag_type flags = regex_constants::format_default) const;17 18#include <regex>19#include <cassert>20 21#include "test_macros.h"22#include "test_allocator.h"23 24int main(int, char**)25{26 typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > nstr;27 {28 std::match_results<const char*> m;29 const char s[] = "abcdefghijk";30 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));31 32 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");33 nstr out = m.format(fmt);34 assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");35 }36 {37 std::match_results<const char*> m;38 const char s[] = "abcdefghijk";39 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));40 41 nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");42 nstr out = m.format(fmt, std::regex_constants::format_sed);43 assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");44 }45 {46 std::match_results<const char*> m;47 const char s[] = "abcdefghijk";48 assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));49 50 nstr fmt("match: &, m[1]: \\1, m[2]: \\2");51 nstr out = m.format(fmt, std::regex_constants::format_sed);52 assert(out == "match: cdefghi, m[1]: efg, m[2]: e");53 }54 55#ifndef TEST_HAS_NO_WIDE_CHARACTERS56 typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t> > wstr;57 {58 std::match_results<const wchar_t*> m;59 const wchar_t s[] = L"abcdefghijk";60 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));61 62 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");63 wstr out = m.format(fmt);64 assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");65 }66 {67 std::match_results<const wchar_t*> m;68 const wchar_t s[] = L"abcdefghijk";69 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));70 71 wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");72 wstr out = m.format(fmt, std::regex_constants::format_sed);73 assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");74 }75 {76 std::match_results<const wchar_t*> m;77 const wchar_t s[] = L"abcdefghijk";78 assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));79 80 wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");81 wstr out = m.format(fmt, std::regex_constants::format_sed);82 assert(out == L"match: cdefghi, m[1]: efg, m[2]: e");83 }84#endif // TEST_HAS_NO_WIDE_CHARACTERS85 86 return 0;87}88