139 lines
3.8 KiB
C++
139 lines
3.8 KiB
C++
// Copyright (C) 2014-2020 Free Software Foundation, Inc.
|
|
//
|
|
// This file is part of the GNU ISO C++ Library. This library is free
|
|
// software; you can redistribute it and/or modify it under the
|
|
// terms of the GNU General Public License as published by the
|
|
// Free Software Foundation; either version 3, or (at your option)
|
|
// any later version.
|
|
|
|
// This library is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with this library; see the file COPYING3. If not see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
// { dg-do run { target c++14 } }
|
|
|
|
#include <experimental/functional>
|
|
#include <cstring>
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
|
# include <cwchar>
|
|
#endif
|
|
#include <algorithm>
|
|
#include <testsuite_hooks.h>
|
|
|
|
using std::experimental::make_default_searcher;
|
|
using std::experimental::make_boyer_moore_searcher;
|
|
using std::experimental::make_boyer_moore_horspool_searcher;
|
|
|
|
void
|
|
test01()
|
|
{
|
|
const char s[] = { 'a', (char)-97, 'a', '\0' };
|
|
const char* needles[] = {
|
|
s, "", "a", "aa", "aaa", "ab", "cd", "abcd", "abcdabcd", "abcabcd"
|
|
};
|
|
const char* haystacks[] = {
|
|
s, "", "a", "aa", "aaa", "ab", "cd", "abcd", "abcdabcd", "abcabcd",
|
|
"aaaaaaa", "aabaa", "aaacab", "cdabcdab", "abcdabcd", "xyzabcdxyz"
|
|
};
|
|
|
|
for (auto n : needles)
|
|
{
|
|
auto ne = n + std::strlen(n);
|
|
auto d = make_default_searcher(n, ne);
|
|
auto bm = make_boyer_moore_searcher(n, ne);
|
|
auto bmh = make_boyer_moore_horspool_searcher(n, ne);
|
|
for (auto h : haystacks)
|
|
{
|
|
auto he = h + std::strlen(h);
|
|
auto res = std::search(h, he, n, ne);
|
|
auto d_res = d(h, he);
|
|
VERIFY( d_res == res );
|
|
auto bm_res = bm(h, he);
|
|
VERIFY( bm_res == res );
|
|
auto bmh_res = bmh(h, he);
|
|
VERIFY( bmh_res == res );
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
test02()
|
|
{
|
|
#ifdef _GLIBCXX_USE_WCHAR_T
|
|
const wchar_t s[] = { L'a', (wchar_t)-97, L'a', L'\0' };
|
|
const wchar_t* needles[] = {
|
|
s, L"", L"a", L"aa", L"aaa", L"ab", L"cd", L"abcd", L"abcdabcd", L"abcabcd"
|
|
};
|
|
const wchar_t* haystacks[] = {
|
|
s, L"", L"a", L"aa", L"aaa", L"ab", L"cd", L"abcd", L"abcdabcd", L"abcabcd",
|
|
L"aaaaaaa", L"aabaa", L"aaacab", L"cdabcdab", L"abcdabcd", L"xyzabcdxyz"
|
|
};
|
|
|
|
for (auto n : needles)
|
|
{
|
|
auto ne = n + std::wcslen(n);
|
|
auto d = make_default_searcher(n, ne);
|
|
auto bm = make_boyer_moore_searcher(n, ne);
|
|
auto bmh = make_boyer_moore_horspool_searcher(n, ne);
|
|
for (auto h : haystacks)
|
|
{
|
|
auto he = h + std::wcslen(h);
|
|
auto res = std::search(h, he, n, ne);
|
|
auto d_res = d(h, he);
|
|
VERIFY( d_res == res );
|
|
auto bm_res = bm(h, he);
|
|
VERIFY( bm_res == res );
|
|
auto bmh_res = bmh(h, he);
|
|
VERIFY( bmh_res == res );
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void
|
|
test03()
|
|
{
|
|
// custom predicate
|
|
struct
|
|
{
|
|
static unsigned char
|
|
norm(unsigned char c) { return std::isalnum(c) ? c : '#'; }
|
|
|
|
// equality
|
|
bool operator()(char l, char r) const { return norm(l) == norm(r); }
|
|
|
|
// hash
|
|
std::size_t operator()(char c) const { return std::hash<char>{}(norm(c)); }
|
|
} eq;
|
|
|
|
const char* needle = " foo 123 ";
|
|
const char* haystack = "*****foo*123******";
|
|
const char* ne = needle + std::strlen(needle);
|
|
const char* he = haystack + std::strlen(haystack);
|
|
|
|
auto d = make_default_searcher(needle, ne, eq);
|
|
auto bm = make_boyer_moore_searcher(needle, ne, eq, eq);
|
|
auto bmh = make_boyer_moore_horspool_searcher(needle, ne, eq, eq);
|
|
|
|
auto res = std::search(haystack, he, needle, ne, eq);
|
|
auto d_res = d(haystack, he);
|
|
VERIFY( d_res == res );
|
|
auto bm_res = bm(haystack, he);
|
|
VERIFY( bm_res == res );
|
|
auto bmh_res = bmh(haystack, he);
|
|
VERIFY( bmh_res == res );
|
|
}
|
|
|
|
int
|
|
main()
|
|
{
|
|
test01();
|
|
test02();
|
|
test03();
|
|
}
|