// Copyright (C) 2005, 2009 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 // . // 25.3.5.3 [lib.set.difference] #include #include #include using __gnu_test::test_container; using __gnu_test::input_iterator_wrapper; using __gnu_test::output_iterator_wrapper; using std::set_difference; typedef test_container Icontainer; typedef test_container Ocontainer; void test1() { int array1[1], array2[1]; Icontainer con1(array1, array1); Icontainer con2(array1, array1); Ocontainer con3(array2, array2); VERIFY(set_difference(con1.begin(), con1.end(), con2.begin(), con2.end(), con3.begin()).ptr == array2); } void test2() { int array1[] = {1}; int array2[] = {0}; Icontainer con1(array1, array1); Icontainer con2(array1, array1 + 1); Ocontainer con3(array2, array2); VERIFY(set_difference(con1.begin(), con1.end(), con2.begin(), con2.end(), con3.begin()).ptr == array2); } void test3() { int array1[] = {1}; int array2[] = {0}; Icontainer con1(array1, array1 + 1); Icontainer con2(array1, array1); Ocontainer con3(array2, array2 + 1); VERIFY(set_difference(con1.begin(), con1.end(), con2.begin(), con2.end(), con3.begin()).ptr == array2 + 1); } void test4() { int array1[]={0,1,1,2,4}; int array2[]={1,2,3}; int array3[6]; Icontainer con1(array1, array1 + 5); Icontainer con2(array2, array2 + 3); Ocontainer con3(array3, array3 + 3); VERIFY(set_difference(con1.begin(), con1.end(), con2.begin(), con2.end(), con3.begin()).ptr == array3 + 3); VERIFY(array3[0] == 0 && array3[1] == 1 && array3[2] == 4); } struct S { int i; int j; S() {} S(int in) { if(in > 0) { i = in; j = 1; } else { i = -in; j = 0; } } }; bool operator<(const S& s1, const S& s2) { return s1.i < s2.i; } typedef test_container SIcontainer; typedef test_container SOcontainer; void test5() { S array1[] = { -1, -1, -1, -2, -2, -3, -4}; S array2[] = { 1, 1, 1, 1, 2, 4, 4}; S array3[9]; SIcontainer con1(array1, array1 + 7); SIcontainer con2(array2, array2 + 7); SOcontainer con3(array3, array3 + 2); VERIFY(set_difference(con1.begin(), con1.end(), con2.begin(), con2.end(), con3.begin()).ptr == array3 + 2); for(int i = 0; i < 2; ++i) VERIFY(array3[i].j == 0); } int main() { test1(); test2(); test3(); test4(); test5(); }