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// Copyright (C) 2013-2015 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/>.
// 25.2.11 [alg.equal]
// { dg-options "-std=gnu++14" }
#include <algorithm>
#include <testsuite_hooks.h>
#include <testsuite_iterators.h>
using __gnu_test::test_container;
using __gnu_test::input_iterator_wrapper;
using __gnu_test::random_access_iterator_wrapper;
typedef test_container<int, input_iterator_wrapper> Container;
typedef test_container<int, random_access_iterator_wrapper> RA_Container;
int array1[] = {0, 1};
int array2[] = {1, 0};
int array3[] = {1, 0};
struct equal_to
{
static int count;
bool operator()(int l, int r)
{
++count;
return l == r;
}
} eq;
int equal_to::count = 0;
bool __attribute__((unused)) test = false;
void test1()
{
const Container con1(array1, array1);
const Container con2(array2, array2);
auto c1 = con1;
auto c2 = con2;
VERIFY( std::equal(c1.begin(), c1.end(), c2.begin(), c2.end()) );
VERIFY( equal_to::count == 0 );
c1 = con1;
c2 = con2;
VERIFY( std::equal(c1.begin(), c1.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 0 );
}
void test2()
{
const Container con1(array1, array1 + 0);
const Container con2(array2, array2 + 2);
auto c1 = con1;
auto c2 = con2;
VERIFY( !std::equal(c1.begin(), c1.end(), c2.begin(), c2.end()) );
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c1.begin(), c1.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 0 );
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c1.begin(), c1.end()) );
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c1.begin(), c1.end(), eq) );
VERIFY( equal_to::count == 0 );
}
void test3()
{
const Container con1(array1, array1 + 2);
const Container con2(array2, array2 + 2);
auto c1 = con1;
auto c2 = con2;
VERIFY( !std::equal(c1.begin(), c1.end(), c2.begin(), c2.end()) );
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c1.begin(), c1.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 1 );
equal_to::count = 0;
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c1.begin(), c1.end()) );
c1 = con1;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c1.begin(), c1.end(), eq) );
VERIFY( equal_to::count == 1 );
equal_to::count = 0;
}
void test4()
{
const Container con3(array3, array3 + 2);
const Container con2(array2, array2 + 2);
auto c3 = con3;
auto c2 = con2;
VERIFY( std::equal(c3.begin(), c3.end(), c2.begin(), c2.end()) );
c3 = con3;
c2 = con2;
VERIFY( std::equal(c3.begin(), c3.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 2 );
equal_to::count = 0;
c3 = con3;
c2 = con2;
VERIFY( std::equal(c2.begin(), c2.end(), c3.begin(), c3.end()) );
c3 = con3;
c2 = con2;
VERIFY( std::equal(c2.begin(), c2.end(), c3.begin(), c3.end(), eq) );
VERIFY( equal_to::count == 2 );
equal_to::count = 0;
}
void test5()
{
const Container con3(array3, array3 + 1);
const Container con2(array2, array2 + 2);
auto c3 = con3;
auto c2 = con2;
VERIFY( !std::equal(c3.begin(), c3.end(), c2.begin(), c2.end()) );
c3 = con3;
c2 = con2;
VERIFY( !std::equal(c3.begin(), c3.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 1 );
equal_to::count = 0;
c3 = con3;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c3.begin(), c3.end()) );
c3 = con3;
c2 = con2;
VERIFY( !std::equal(c2.begin(), c2.end(), c3.begin(), c3.end(), eq) );
VERIFY( equal_to::count == 1 );
equal_to::count = 0;
}
void test6()
{
RA_Container c3(array3, array3 + 1);
RA_Container c2(array2, array2 + 2);
VERIFY( !std::equal(c3.begin(), c3.end(), c2.begin(), c2.end()) );
VERIFY( !std::equal(c3.begin(), c3.end(), c2.begin(), c2.end(), eq) );
VERIFY( equal_to::count == 0 );
VERIFY( !std::equal(c2.begin(), c2.end(), c3.begin(), c3.end()) );
VERIFY( !std::equal(c2.begin(), c2.end(), c3.begin(), c3.end(), eq) );
VERIFY( equal_to::count == 0 );
}
int main()
{
test1();
test2();
test3();
test4();
test5();
test6();
}
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