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[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [libstdc++-v3/] [testsuite/] [tr1/] [3_function_objects/] [mem_fn.cc] - Rev 847
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// 2005-01-26 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/>. // 3.5 function template mem_fn #include <tr1/functional> #include <testsuite_hooks.h> #include <testsuite_tr1.h> struct X { int bar; }; struct Y : X { }; template<typename T> struct dumb_ptr { dumb_ptr(T* p) : p(p) {} T& operator*() const { return *p; } private: T* p; }; // Test mem_fn with a data member void test01(int r = 0) { using std::tr1::mem_fn; X x; Y y; const X& xc = x; const Y& yc = y; X* xp = &x; Y* yp =&y; const X* xpc = xp; const Y* ypc = yp; dumb_ptr<X> xd(xp); dumb_ptr<Y> yd(yp); const dumb_ptr<X>& xdc = xd; const dumb_ptr<Y>& ydc = yd; int& bx = mem_fn(&X::bar)(x); const int& bxc = mem_fn(&X::bar)(xc); int& bxp = mem_fn(&X::bar)(xp); const int& bxpc = mem_fn(&X::bar)(xpc); const int& bxd = mem_fn(&X::bar)(xd); const int& bxdc = mem_fn(&X::bar)(xdc); int& by = mem_fn(&X::bar)(y); const int& byc = mem_fn(&X::bar)(yc); int& byp = mem_fn(&X::bar)(yp); const int& bypc = mem_fn(&X::bar)(ypc); const int& byd = mem_fn(&X::bar)(yd); const int& bydc = mem_fn(&X::bar)(ydc); // Avoid unused variable warnings. r = bx + bxc + bxp + bxpc + bxd + bxdc + by + byc + byp + bypc + byd + bydc; } int main() { test01(); return 0; }
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