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[/] [openrisc/] [tags/] [gnu-src/] [gcc-4.5.1/] [gcc-4.5.1-or32-1.0rc3/] [libstdc++-v3/] [testsuite/] [23_containers/] [vector/] [modifiers/] [moveable.cc] - Rev 424
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// { dg-options "-std=gnu++0x" } // Copyright (C) 2005, 2006, 2007, 2008, 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 // <http://www.gnu.org/licenses/>. #include <vector> #include <testsuite_hooks.h> #include <testsuite_rvalref.h> using namespace __gnu_test; // Test vector::push_back makes no unneeded copies. void test01() { bool test __attribute__((unused)) = true; std::vector<copycounter> a; copycounter c(1); copycounter::copycount = 0; for(int i = 0; i < 10; ++i) a.push_back(c); VERIFY(copycounter::copycount == 10); for(int i = 0; i < 100; ++i) a.insert(a.begin() + i, c); VERIFY(copycounter::copycount == 110); for(int i = 0; i < 1000; ++i) a.insert(a.end(), c); VERIFY(copycounter::copycount == 1110); } // Test vector::insert(iterator, iterator, iterator) makes no unneeded copies // when it has to also reallocate the vector's internal buffer. void test02() { bool test __attribute__((unused)) = true; copycounter c(1); std::vector<copycounter> a(10, c), b(100, c); copycounter::copycount = 0; a.insert(a.begin(), b.begin(), b.begin() + 20); VERIFY(copycounter::copycount == 20); a.insert(a.end(), b.begin(), b.begin() + 50); VERIFY(copycounter::copycount == 70); a.insert(a.begin() + 50, b.begin(), b.end()); VERIFY(copycounter::copycount == 170); } // Test vector::insert(iterator, iterator, iterator) makes no unneeded copies // when it doesn't have to reallocate the vector's internal buffer. void test03() { bool test __attribute__((unused)) = true; copycounter c(1); std::vector<copycounter> a(10, c), b(100, c); copycounter::copycount = 0; a.reserve(1000); VERIFY(copycounter::copycount == 0); a.insert(a.begin(), b.begin(), b.begin() + 20); VERIFY(copycounter::copycount == 20); a.insert(a.end(), b.begin(), b.begin() + 50); VERIFY(copycounter::copycount == 70); a.insert(a.begin() + 50, b.begin(), b.end()); VERIFY(copycounter::copycount == 170); } // Test vector::insert(iterator, count, value) makes no unneeded copies // when it has to also reallocate the vector's internal buffer. void test04() { bool test __attribute__((unused)) = true; copycounter c(1); std::vector<copycounter> a(10, c); copycounter::copycount = 0; a.insert(a.begin(), 20, c); VERIFY(copycounter::copycount == 20); a.insert(a.end(), 50, c); VERIFY(copycounter::copycount == 70); a.insert(a.begin() + 50, 100, c); VERIFY(copycounter::copycount == 170); } // Test vector::insert(iterator, count, value) makes no unneeded copies // when it doesn't have to reallocate the vector's internal buffer. void test05() { bool test __attribute__((unused)) = true; copycounter c(1); std::vector<copycounter> a(10, c); copycounter::copycount = 0; a.reserve(1000); a.insert(a.begin(), 20, c); // NOTE : These values are each one higher than might be expected, as // vector::insert(iterator, count, value) copies the value it is given // when it doesn't reallocate the buffer. VERIFY(copycounter::copycount == 20 + 1); a.insert(a.end(), 50, c); VERIFY(copycounter::copycount == 70 + 2); a.insert(a.begin() + 50, 100, c); VERIFY(copycounter::copycount == 170 + 3); } int main() { test01(); test02(); test03(); test04(); test05(); return 0; }
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