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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [25_algorithms/] [nth_element/] [moveable.cc] - Rev 424
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 // 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/>. // 25.3.2 [lib.alg.nth.element] #undef _GLIBCXX_CONCEPT_CHECKS // XXX FIXME: parallel-mode should deal correctly with moveable-only types // per C++0x, at minimum smoothly fall back to serial. #undef _GLIBCXX_PARALLEL #include <algorithm> #include <testsuite_hooks.h> #include <testsuite_iterators.h> #include <testsuite_rvalref.h> using __gnu_test::test_container; using __gnu_test::random_access_iterator_wrapper; using std::nth_element; using __gnu_test::rvalstruct; typedef test_container<rvalstruct, random_access_iterator_wrapper> Container; void test1() { bool test __attribute__((unused)) = true; int intarray[] = {6, 5, 4, 3, 2, 1, 0}; rvalstruct array[7]; std::copy(intarray, intarray + 7, array); Container con(array, array + 7); nth_element(con.begin(), con.it(3), con.end()); for(int i = 0; i < 3; ++i) VERIFY( array[i].val < 3 ); for(int i = 4; i < 7; ++i) VERIFY( array[i].val > 3 ); for(int i = 0; i < 7; ++i) VERIFY( array[i].valid ); } void test2() { bool test __attribute__((unused)) = true; int intarray[] = {0, 6, 1, 5, 2, 4, 3}; rvalstruct array[7]; std::copy(intarray, intarray + 7, array); Container con(array,array + 7); nth_element(con.begin(), con.it(3), con.end()); for(int i = 0; i < 3; ++i) VERIFY( array[i].val < 3 ); for(int i = 4; i < 7; ++i) VERIFY( array[i].val > 3 ); for(int i = 0; i < 7; ++i) VERIFY( array[i].valid ); } bool are_less(const rvalstruct& lhs, const rvalstruct& rhs) { return lhs < rhs; } void test3() { bool test __attribute__((unused)) = true; int intarray[] = {0, 6, 1, 5, 2, 4, 3}; rvalstruct array[7]; std::copy(intarray, intarray + 7, array); Container con(array,array + 7); nth_element(con.begin(), con.it(3), con.end(), are_less); for(int i = 0; i < 3; ++i) VERIFY( array[i].val < 3 ); for(int i = 4; i < 7; ++i) VERIFY( array[i].val > 3 ); for(int i = 0; i < 7; ++i) VERIFY( array[i].valid ); } int main() { test1(); test2(); test3(); return 0; }
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