1 // 2005-01-15 Douglas Gregor <dgregor@cs.indiana.edu> 2 // 3 // Copyright (C) 2005-2018 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 3, or (at your option) 9 // any later version. 10 // 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 // 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING3. If not see 18 // <http://www.gnu.org/licenses/>. 19 20 // 3.7.2 polymorphic function object wrapper 21 #include <tr1/functional> 22 #include <testsuite_hooks.h> 23 #include <testsuite_tr1.h> 24 25 using namespace __gnu_test; 26 27 // Put member pointers into function<> wrappers test05()28void test05() 29 { 30 using std::tr1::function; 31 32 X x; 33 x.bar = 17; 34 35 function<int(X&)> frm(&X::bar); 36 VERIFY( frm ); 37 VERIFY( frm(x) == 17 ); 38 VERIFY( typeid(int X::*) == frm.target_type() ); 39 VERIFY( *frm.target<int X::*>() == &X::bar ); 40 41 function<int(X&)> fr(&X::foo); 42 VERIFY( fr ); 43 VERIFY( fr(x) == 1 ); 44 VERIFY( typeid(int (X::*)()) == fr.target_type() ); 45 VERIFY( *fr.target<int (X::*)()>() == &X::foo ); 46 47 function<int(const X&)> frc(&X::foo_c); 48 VERIFY( frc ); 49 VERIFY( frc(x) == 2 ); 50 VERIFY( typeid(int (X::*)() const) == frc.target_type() ); 51 VERIFY( *frc.target<int (X::*)() const >() == &X::foo_c ); 52 53 function<int(volatile X&)> frv(&X::foo_v); 54 VERIFY( frv ); 55 VERIFY( frv(x) == 3 ); 56 VERIFY( typeid(int (X::*)() volatile) == frv.target_type() ); 57 VERIFY( *frv.target<int (X::*)() volatile >() == &X::foo_v ); 58 VERIFY( frv.target<int (X::*)() const volatile>() == 0 ); 59 60 function<int(const volatile X&)> frcv(&X::foo_cv); 61 VERIFY( frcv ); 62 VERIFY( frcv(x) == 4 ); 63 VERIFY( typeid(int (X::*)() const volatile) == frcv.target_type() ); 64 VERIFY( *frcv.target<int (X::*)() const volatile >() == &X::foo_cv ); 65 VERIFY( frcv.target<int (X::*)() const>() == 0 ); 66 67 function<int(X*)> grm(&X::bar); 68 VERIFY( grm ); 69 VERIFY( grm(&x) == 17 ); 70 VERIFY( typeid(int X::*) == grm.target_type() ); 71 VERIFY( *grm.target<int X::*>() == &X::bar ); 72 73 function<int(X*)> gr(&X::foo); 74 VERIFY( gr ); 75 VERIFY( gr(&x) == 1 ); 76 VERIFY( typeid(int (X::*)()) == gr.target_type() ); 77 VERIFY( *gr.target<int (X::*)()>() == &X::foo ); 78 79 function<int(const X*)> grc(&X::foo_c); 80 VERIFY( grc ); 81 VERIFY( grc(&x) == 2 ); 82 VERIFY( typeid(int (X::*)() const) == grc.target_type() ); 83 VERIFY( *grc.target<int (X::*)() const >() == &X::foo_c ); 84 85 function<int(volatile X*)> grv(&X::foo_v); 86 VERIFY( grv ); 87 VERIFY( grv(&x) == 3 ); 88 VERIFY( typeid(int (X::*)() volatile) == grv.target_type() ); 89 VERIFY( *grv.target<int (X::*)() volatile >() == &X::foo_v ); 90 VERIFY( grv.target<int (X::*)() const volatile>() == 0 ); 91 92 function<int(const volatile X*)> grcv(&X::foo_cv); 93 VERIFY( grcv ); 94 VERIFY( grcv(&x) == 4 ); 95 VERIFY( typeid(int (X::*)() const volatile) == grcv.target_type() ); 96 VERIFY( *grcv.target<int (X::*)() const volatile >() == &X::foo_cv ); 97 VERIFY( grcv.target<int (X::*)() const>() == 0 ); 98 } 99 main()100int main() 101 { 102 test05(); 103 return 0; 104 } 105