a90c6dd460
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
3.1 KiB
C++
86 lines
3.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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// <regex>
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// class match_results<BidirectionalIterator, Allocator>
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// template <class ST, class SA>
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// basic_string<char_type, ST, SA>
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// format(const basic_string<char_type, ST, SA>& fmt,
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// regex_constants::match_flag_type flags = regex_constants::format_default) const;
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#include <iostream>
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#include <regex>
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#include <cassert>
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#include "test_allocator.h"
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int main()
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{
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typedef std::basic_string<char, std::char_traits<char>, test_allocator<char> > nstr;
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typedef std::basic_string<wchar_t, std::char_traits<wchar_t>, test_allocator<wchar_t> > wstr;
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{
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std::match_results<const char*> m;
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const char s[] = "abcdefghijk";
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assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
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nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
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nstr out = m.format(fmt);
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assert(out == "prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
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}
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{
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std::match_results<const char*> m;
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const char s[] = "abcdefghijk";
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assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
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nstr fmt("prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
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nstr out = m.format(fmt, std::regex_constants::format_sed);
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assert(out == "prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
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}
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{
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std::match_results<const char*> m;
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const char s[] = "abcdefghijk";
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assert(std::regex_search(s, m, std::regex("cd((e)fg)hi")));
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nstr fmt("match: &, m[1]: \\1, m[2]: \\2");
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nstr out = m.format(fmt, std::regex_constants::format_sed);
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assert(out == "match: cdefghi, m[1]: efg, m[2]: e");
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}
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{
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std::match_results<const wchar_t*> m;
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const wchar_t s[] = L"abcdefghijk";
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assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
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wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
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wstr out = m.format(fmt);
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assert(out == L"prefix: ab, match: cdefghi, suffix: jk, m[1]: efg, m[2]: e");
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}
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{
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std::match_results<const wchar_t*> m;
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const wchar_t s[] = L"abcdefghijk";
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assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
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wstr fmt(L"prefix: $`, match: $&, suffix: $', m[1]: $1, m[2]: $2");
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wstr out = m.format(fmt, std::regex_constants::format_sed);
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assert(out == L"prefix: $`, match: $cdefghi, suffix: $', m[1]: $1, m[2]: $2");
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}
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{
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std::match_results<const wchar_t*> m;
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const wchar_t s[] = L"abcdefghijk";
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assert(std::regex_search(s, m, std::wregex(L"cd((e)fg)hi")));
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wstr fmt(L"match: &, m[1]: \\1, m[2]: \\2");
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wstr out = m.format(fmt, std::regex_constants::format_sed);
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assert(out == L"match: cdefghi, m[1]: efg, m[2]: e");
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}
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}
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