gcc/libstdc++-v3/testsuite/21_strings/find.cc

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// 1999-06-09 bkoz
// Copyright (C) 1994, 1999, 2000 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 2, 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 COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// 21.3.6.1 basic_string find
#include <string>
#include <stdexcept>
#include <debug_assert.h>
bool test01(void)
{
bool test = true;
typedef std::string::size_type csize_type;
typedef std::string::const_reference cref;
typedef std::string::reference ref;
csize_type npos = std::string::npos;
csize_type csz01, csz02;
const char str_lit01[] = "mave";
const std::string str01("mavericks, santa cruz");
std::string str02(str_lit01);
std::string str03("s, s");
std::string str04;
// size_type find(const string&, size_type pos = 0) const;
csz01 = str01.find(str01);
VERIFY( csz01 == 0 );
csz01 = str01.find(str01, 4);
VERIFY( csz01 == npos );
csz01 = str01.find(str02, 0);
VERIFY( csz01 == 0 );
csz01 = str01.find(str02, 3);
VERIFY( csz01 == npos );
csz01 = str01.find(str03, 0);
VERIFY( csz01 == 8 );
csz01 = str01.find(str03, 3);
VERIFY( csz01 == 8 );
csz01 = str01.find(str03, 12);
VERIFY( csz01 == npos );
// An empty string consists of no characters
// therefore it should be found at every point in a string,
// except beyond the end
csz01 = str01.find(str04, 0);
VERIFY( csz01 == 0 );
csz01 = str01.find(str04, 5);
VERIFY( csz01 == 5 );
csz01 = str01.find(str04, str01.size());
VERIFY( csz01 == str01.size() );
csz01 = str01.find(str04, str01.size()+1);
VERIFY( csz01 == npos );
// size_type find(const char* s, size_type pos, size_type n) const;
csz01 = str01.find(str_lit01, 0, 3);
VERIFY( csz01 == 0 );
csz01 = str01.find(str_lit01, 3, 0);
VERIFY( csz01 == 3 );
// size_type find(const char* s, size_type pos = 0) const;
csz01 = str01.find(str_lit01);
VERIFY( csz01 == 0 );
csz01 = str01.find(str_lit01, 3);
VERIFY( csz01 == npos );
// size_type find(char c, size_type pos = 0) const;
csz01 = str01.find('z');
csz02 = str01.size() - 1;
VERIFY( csz01 == csz02 );
csz01 = str01.find('/');
VERIFY( csz01 == npos );
// size_type find_first_of(const string&, size_type pos = 0) const;
std::string str05("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 consists of no characters
// therefore it should be found at every point in a string,
// 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 char* 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 char* 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(char c, size_type pos = 0) const;
csz01 = str01.find_first_of('z');
csz02 = str01.size() - 1;
VERIFY( csz01 == csz02 );
// size_type find_last_of(const string& str, size_type pos = 0) const;
// size_type find_last_of(const char* s, size_type pos, size_type n) const;
// size_type find_last_of(const char* s, size_type pos = 0) const;
// size_type find_last_of(char c, size_type pos = 0) const;
#if 1
// from tstring.cc, from jason merrill, et. al.
std::string x;
std::string::size_type pos;
pos = x.find_last_not_of('X');
VERIFY( pos == npos );
pos = x.find_last_not_of("XYZ");
VERIFY( pos == npos );
std::string y("a");
pos = y.find_last_not_of('X');
VERIFY( pos == 0 );
pos = y.find_last_not_of('a');
VERIFY( pos == npos );
pos = y.find_last_not_of("XYZ");
VERIFY( pos == 0 );
pos = y.find_last_not_of("a");
VERIFY( pos == npos );
std::string z("ab");
pos = z.find_last_not_of('X');
VERIFY( pos == 1 );
pos = z.find_last_not_of("XYZ");
VERIFY( pos == 1 );
pos = z.find_last_not_of('b');
VERIFY( pos == 0 );
pos = z.find_last_not_of("Xb");
VERIFY( pos == 0 );
pos = z.find_last_not_of("Xa");
VERIFY( pos == 1 );
pos = z.find_last_of("ab");
VERIFY( pos == 1 );
pos = z.find_last_of("Xa");
VERIFY( pos == 0 );
pos = z.find_last_of("Xb");
VERIFY( pos == 1 );
pos = z.find_last_of("XYZ");
VERIFY( pos == std::string::npos );
pos = z.find_last_of('a');
VERIFY( pos == 0 );
pos = z.find_last_of('b');
VERIFY( pos == 1 );
pos = z.find_last_of('X');
VERIFY( pos == std::string::npos );
#endif
#ifdef DEBUG_ASSERT
assert(test);
#endif
return test;
}
int main()
{
test01();
return 0;
}