X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Ftuple%2Fswap.cc;fp=libstdc%2B%2B-v3%2Ftestsuite%2F20_util%2Ftuple%2Fswap.cc;h=1e65f0521cbb1d266ae8b99d59e17b0589d14438;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=0000000000000000000000000000000000000000;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libstdc++-v3/testsuite/20_util/tuple/swap.cc b/libstdc++-v3/testsuite/20_util/tuple/swap.cc new file mode 100644 index 00000000..1e65f052 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/tuple/swap.cc @@ -0,0 +1,109 @@ +// { dg-options "-std=gnu++0x" } + +// Copyright (C) 2007, 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 +// . + + +// NOTE: This makes use of the fact that we know how moveable +// is implemented on tuple. If the implementation changed +// this test may begin to fail. + +#include +#include +#include + +struct MoveOnly +{ + explicit MoveOnly (int j) : i(j) { } + + MoveOnly (MoveOnly&& m) : i(m.i) { } + + MoveOnly& operator=(MoveOnly&& m) + { i = m.i; return *this; } + + MoveOnly(MoveOnly const&) = delete; + MoveOnly& operator=(MoveOnly const&) = delete; + + bool operator==(MoveOnly const& m) + { return i == m.i; } + + void swap(MoveOnly&& m) + { std::swap(m.i, i); } + + int i; +}; + +void swap(MoveOnly& m1, MoveOnly& m2) +{ m1.swap(m2); } + +MoveOnly +make_move_only (int i) +{ return MoveOnly(i); } + +void test01() +{ + std::tuple<> t1, t2; + std::swap(t1, t2); + + VERIFY( t1 == t2 ); +} + +void test02() +{ + bool test __attribute__((unused)) = true; + + std::tuple t1(1), t2(2); + std::swap(t1, t2); + + VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); +} + +void test03() +{ + bool test __attribute__((unused)) = true; + + std::tuple t1(1, 1.0f), t2(2, 2.0f); + std::swap(t1, t2); + + VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); + VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); +} + +void test04() +{ + bool test __attribute__((unused)) = true; + + std::tuple + t1(1, 1.0f, make_move_only(1)), + t2(2, 2.0f, make_move_only(2)); + + std::swap(t1, t2); + + VERIFY( std::get<0>(t1) == 2 && std::get<0>(t2) == 1 ); + VERIFY( std::get<1>(t1) == 2.0f && std::get<1>(t2) == 1.0f ); + VERIFY( std::get<2>(t1) == make_move_only(2) + && std::get<2>(t2) == make_move_only(1) ); +} + +int main() +{ + test01(); + test02(); + test03(); + test04(); + return 0; +}