[gcc] GCC 4.5.0=>4.5.1

gcc/libstdc++-v3/testsuite/tr1/3_function_objects/function/4.cc

-// 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu>
-//
-// 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
-// <http://www.gnu.org/licenses/>.
-
-// 3.7.2 polymorphic function object wrapper
-#include <tr1/functional>
-#include <testsuite_hooks.h>
-#include <testsuite_tr1.h>
-
-using namespace __gnu_test;
-
-bool test __attribute__((unused)) = true;
-
-// Put function objects into function<> wrappers
-void test04()
-{
-  using std::tr1::function;
-
-  do_truncate_float_t truncate_float;
-
-  function<int(float)> f1(truncate_float);
-  VERIFY( f1 );
-  VERIFY( !!f1 );
-  VERIFY( !(f1 == 0) );
-  VERIFY( !(0 == f1) );
-  VERIFY( f1 != 0 );
-  VERIFY( 0 != f1 );
-
-  // Copy-construction
-  function<int(float)> f2(f1);
-  VERIFY( f2 );
-
-  // Invocation
-  VERIFY( f1(3.1f) == 3 );
-  VERIFY( f2(3.1f) == 3 );
-
-  // Assignment to zero
-  f1 = 0;
-  VERIFY( !f1 );
-
-  // Swap
-  f1.swap(f2);
-  VERIFY( f1 );
-  VERIFY( !f2 );
-  VERIFY( f1(3.1f) == 3 );
-
-  // Assignment from a function pointer
-  f2 = do_truncate_float_t();
-  VERIFY( f2(3.1f) == 3 );
-
-  // target_type and target() functions
-  const function<int(float)>& f1c = f1;
-  VERIFY( typeid(do_truncate_float_t) == f1.target_type() );
-  VERIFY( f2.target<do_truncate_float_t>() != 0 );
-  VERIFY( f1c.target<do_truncate_float_t>() != 0 );
-}
-
-int main()
-{
-  test04();
-
-  VERIFY( do_truncate_double_t::live_objects == 0 );
-  VERIFY( do_truncate_float_t::live_objects == 0 );
-
-  return 0;
-}