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Diffstat (limited to 'libstdc++-v3/testsuite/20_util/function/8.cc')
-rw-r--r-- | libstdc++-v3/testsuite/20_util/function/8.cc | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/20_util/function/8.cc b/libstdc++-v3/testsuite/20_util/function/8.cc new file mode 100644 index 000000000..620f61610 --- /dev/null +++ b/libstdc++-v3/testsuite/20_util/function/8.cc @@ -0,0 +1,148 @@ +// { dg-options "-std=gnu++0x" } +// 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/>. + +// 20.7.15 polymorphic function object wrapper +#include <functional> +#include <testsuite_hooks.h> +#include <testsuite_tr1.h> + +using namespace __gnu_test; + +bool test __attribute__((unused)) = true; + +// Put reference_wrappers to member pointers +void test08() +{ + using std::function; + using std::ref; + using std::cref; + + int X::* X_bar = &X::bar; + int (X::* X_foo)() = &X::foo; + int (X::* X_foo_c)() const = &X::foo_c; + int (X::* X_foo_v)() volatile = &X::foo_v; + int (X::* X_foo_cv)() const volatile = &X::foo_cv; + + X x; + x.bar = 17; + + function<int(X&)> frm(ref(X_bar)); + VERIFY( frm ); + VERIFY( frm(x) == 17 ); + VERIFY( typeid(int X::*) == frm.target_type() ); + VERIFY( frm.target<int X::*>() == &X_bar ); + + function<int(X&)> fr(ref(X_foo)); + VERIFY( fr ); + VERIFY( fr(x) == 1 ); + VERIFY( typeid(int (X::*)()) == fr.target_type() ); + VERIFY( fr.target<int (X::*)()>() == &X_foo ); + + function<int(const X&)> frc(ref(X_foo_c)); + VERIFY( frc ); + VERIFY( frc(x) == 2 ); + VERIFY( typeid(int (X::*)() const) == frc.target_type() ); + VERIFY( frc.target<int (X::*)() const >() == &X_foo_c ); + + function<int(volatile X&)> frv(ref(X_foo_v)); + VERIFY( frv ); + VERIFY( frv(x) == 3 ); + VERIFY( typeid(int (X::*)() volatile) == frv.target_type() ); + VERIFY( *frv.target<int (X::*)() volatile >() == X_foo_v ); + VERIFY( frv.target<int (X::*)() const volatile>() == 0 ); + + function<int(const volatile X&)> frcv(ref(X_foo_cv)); + VERIFY( frcv ); + VERIFY( frcv(x) == 4 ); + VERIFY( typeid(int (X::*)() const volatile) == frcv.target_type() ); + VERIFY( *frcv.target<int (X::*)() const volatile >() == X_foo_cv ); + VERIFY( frcv.target<int (X::*)() const>() == 0 ); + + function<int(X*)> grm(ref(X_bar)); + VERIFY( grm ); + VERIFY( grm(&x) == 17 ); + VERIFY( typeid(int X::*) == grm.target_type() ); + VERIFY( *grm.target<int X::*>() == X_bar ); + + function<int(X*)> gr(ref(X_foo)); + VERIFY( gr ); + VERIFY( gr(&x) == 1 ); + VERIFY( typeid(int (X::*)()) == gr.target_type() ); + VERIFY( *gr.target<int (X::*)()>() == X_foo ); + + function<int(const X*)> grc(ref(X_foo_c)); + VERIFY( grc ); + VERIFY( grc(&x) == 2 ); + VERIFY( typeid(int (X::*)() const) == grc.target_type() ); + VERIFY( *grc.target<int (X::*)() const >() == X_foo_c ); + + function<int(volatile X*)> grv(ref(X_foo_v)); + VERIFY( grv ); + VERIFY( grv(&x) == 3 ); + VERIFY( typeid(int (X::*)() volatile) == grv.target_type() ); + VERIFY( *grv.target<int (X::*)() volatile >() == X_foo_v ); + VERIFY( grv.target<int (X::*)() const volatile>() == 0 ); + + function<int(const volatile X*)> grcv(ref(X_foo_cv)); + VERIFY( grcv ); + VERIFY( grcv(&x) == 4 ); + VERIFY( typeid(int (X::*)() const volatile) == grcv.target_type() ); + VERIFY( *grcv.target<int (X::*)() const volatile >() == X_foo_cv ); + VERIFY( grcv.target<int (X::*)() const>() == 0 ); + + function<int(X&)> hrm(cref(X_bar)); + VERIFY( hrm ); + VERIFY( hrm(x) == 17 ); + VERIFY( typeid(int X::*) == hrm.target_type() ); + VERIFY( hrm.target<int X::*>() == 0 ); + VERIFY( hrm.target<int X::* const>() == &X_bar ); + + function<int(X&)> hr(cref(X_foo)); + VERIFY( hr ); + VERIFY( hr(x) == 1 ); + VERIFY( typeid(int (X::*)()) == hr.target_type() ); + VERIFY( hr.target<int (X::* const)()>() == &X_foo ); + + function<int(const X&)> hrc(cref(X_foo_c)); + VERIFY( hrc ); + VERIFY( hrc(x) == 2 ); + VERIFY( typeid(int (X::*)() const) == hrc.target_type() ); + VERIFY( hrc.target<int (X::* const)() const >() == &X_foo_c ); + + function<int(volatile X&)> hrv(cref(X_foo_v)); + VERIFY( hrv ); + VERIFY( hrv(x) == 3 ); + VERIFY( typeid(int (X::*)() volatile) == hrv.target_type() ); + VERIFY( hrv.target<int (X::* const)() volatile >() == &X_foo_v ); + VERIFY( hrv.target<int (X::* const)() const volatile>() == 0 ); + + function<int(const volatile X&)> hrcv(cref(X_foo_cv)); + VERIFY( hrcv ); + VERIFY( hrcv(x) == 4 ); + VERIFY( typeid(int (X::*)() const volatile) == hrcv.target_type() ); + VERIFY( hrcv.target<int (X::* const)() const volatile >() == &X_foo_cv ); + VERIFY( hrcv.target<int (X::* const)() const>() == 0 ); +} + +int main() +{ + test08(); + return 0; +} |