79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// { dg-options "-std=gnu++11" }
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// Copyright (C) 2010-2016 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// 20.8.15 polymorphic function object wrapper
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#include <functional>
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#include <testsuite_hooks.h>
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struct Foo
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{
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Foo() { }
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short operator() ( int && ) { return 1; }
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short operator() ( int && ) const { return 2; }
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short operator() ( int && ) volatile { return 3; }
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short operator() ( int && ) const volatile { return 4; }
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short func( int && ) { return 5; }
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short func_c( int && ) const { return 6; }
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short func_v( int && ) volatile { return 7; }
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short func_cv( int && ) const volatile { return 8; }
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};
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void test01()
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{
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bool test __attribute__((unused)) = true;
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using std::function;
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using std::ref;
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Foo foo;
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Foo const foo_c;
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Foo volatile foo_v;
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Foo const volatile foo_cv;
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std::function< int ( int && ) > f1( ref(foo) );
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VERIFY( f1(0) == 1 );
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std::function< int ( int && ) > f2( ref(foo_c) );
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VERIFY( f2(0) == 2 );
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std::function< int ( int && ) > f3( ref(foo_v) );
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VERIFY( f3(0) == 3 );
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std::function< int ( int && ) > f4( ref(foo_cv) );
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VERIFY( f4(0) == 4 );
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std::function< int ( Foo &, int && ) > f5( &Foo::func ) ;
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VERIFY( f5(foo, 0) == 5 );
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std::function< int ( Foo const &, int && ) > f6( &Foo::func_c ) ;
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VERIFY( f6(foo_c, 0) == 6 );
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std::function< int ( Foo volatile &, int && ) > f7( &Foo::func_v ) ;
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VERIFY( f7(foo_v, 0) == 7 );
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std::function< int ( Foo const volatile &, int && ) > f8( &Foo::func_cv ) ;
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VERIFY( f8(foo_cv, 0) == 8 );
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}
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int main()
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{
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test01();
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return 0;
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}
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