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// { dg-options "-std=gnu++17" }
// Copyright (C) 2013-2018 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/>.
// basic_string_view find_first_of
#include <string_view>
#include <testsuite_hooks.h>
void
test02()
{
typedef std::wstring_view::size_type csize_type;
csize_type npos = std::wstring_view::npos;
csize_type csz01, csz02;
const wchar_t str_lit01[] = L"mave";
const std::wstring_view str01(L"mavericks, santa cruz");
std::wstring_view str02(str_lit01);
std::wstring_view str03(L"s, s");
std::wstring_view str04;
// size_type find_first_of(const wstring_view&, size_type pos = 0) const;
std::wstring_view str05(L"xena rulez");
csz01 = str01.find_first_of(str01);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str01, 4);
VERIFY( csz01 == 4 );
csz01 = str01.find_first_of(str02, 0);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str02, 3);
VERIFY( csz01 == 3 );
csz01 = str01.find_first_of(str03, 0);
VERIFY( csz01 == 8 );
csz01 = str01.find_first_of(str03, 3);
VERIFY( csz01 == 8 );
csz01 = str01.find_first_of(str03, 12);
VERIFY( csz01 == 16 );
csz01 = str01.find_first_of(str05, 0);
VERIFY( csz01 == 1 );
csz01 = str01.find_first_of(str05, 4);
VERIFY( csz01 == 4 );
// An empty string_view consists of no characters
// therefore it should be found at every point in a string_view,
// except beyond the end
// However, str1.find_first_of(str2,pos) finds the first character in
// str1 (starting at pos) that exists in str2, which is none for empty str2
csz01 = str01.find_first_of(str04, 0);
VERIFY( csz01 == npos );
csz01 = str01.find_first_of(str04, 5);
VERIFY( csz01 == npos );
// size_type find_first_of(const wchar_t* s, size_type pos, size_type n) const;
csz01 = str01.find_first_of(str_lit01, 0, 3);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str_lit01, 3, 0);
VERIFY( csz01 == npos );
// size_type find_first_of(const wchar_t* s, size_type pos = 0) const;
csz01 = str01.find_first_of(str_lit01);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str_lit01, 3);
VERIFY( csz01 == 3 );
// size_type find_first_of(wchar_t c, size_type pos = 0) const;
csz01 = str01.find_first_of(L'z');
csz02 = str01.size() - 1;
VERIFY( csz01 == csz02 );
}
constexpr bool
test04()
{
typedef std::wstring_view::size_type csize_type;
csize_type npos = std::wstring_view::npos;
csize_type csz01 = 0, csz02 = 0;
const wchar_t str_lit01[] = L"mave";
const std::wstring_view str01(L"mavericks, santa cruz");
std::wstring_view str02(str_lit01);
std::wstring_view str03(L"s, s");
std::wstring_view str04;
#undef VERIFY
#define VERIFY(x) if(!(x)) return false
// size_type find_first_of(const wstring_view&, size_type pos = 0) const;
std::wstring_view str05(L"xena rulez");
csz01 = str01.find_first_of(str01);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str01, 4);
VERIFY( csz01 == 4 );
csz01 = str01.find_first_of(str02, 0);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str02, 3);
VERIFY( csz01 == 3 );
csz01 = str01.find_first_of(str03, 0);
VERIFY( csz01 == 8 );
csz01 = str01.find_first_of(str03, 3);
VERIFY( csz01 == 8 );
csz01 = str01.find_first_of(str03, 12);
VERIFY( csz01 == 16 );
csz01 = str01.find_first_of(str05, 0);
VERIFY( csz01 == 1 );
csz01 = str01.find_first_of(str05, 4);
VERIFY( csz01 == 4 );
// An empty string_view consists of no characters
// therefore it should be found at every point in a string_view,
// except beyond the end
// However, str1.find_first_of(str2,pos) finds the first character in
// str1 (starting at pos) that exists in str2, which is none for empty str2
csz01 = str01.find_first_of(str04, 0);
VERIFY( csz01 == npos );
csz01 = str01.find_first_of(str04, 5);
VERIFY( csz01 == npos );
// size_type find_first_of(const wchar_t* s, size_type pos, size_type n) const;
csz01 = str01.find_first_of(str_lit01, 0, 3);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str_lit01, 3, 0);
VERIFY( csz01 == npos );
// size_type find_first_of(const wchar_t* s, size_type pos = 0) const;
csz01 = str01.find_first_of(str_lit01);
VERIFY( csz01 == 0 );
csz01 = str01.find_first_of(str_lit01, 3);
VERIFY( csz01 == 3 );
// size_type find_first_of(wchar_t c, size_type pos = 0) const;
csz01 = str01.find_first_of(L'z');
csz02 = str01.size() - 1;
VERIFY( csz01 == csz02 );
return true;
}
int
main()
{
test02();
static_assert( test04() );
return 0;
}
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