122 lines
3.1 KiB
C++
122 lines
3.1 KiB
C++
// { dg-options "-std=gnu++11" }
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// Copyright (C) 2008-2016 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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#include <functional>
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#include <type_traits>
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#include <testsuite_hooks.h>
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#include <testsuite_tr1.h>
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using namespace __gnu_test;
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bool test __attribute__((unused)) = true;
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struct X
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{
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typedef int result_type;
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X() : bar(17) {}
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int foo(float x) { return truncate_float(x); }
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int foo_c(float x) const { return truncate_float(x); }
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int foo_v(float x) volatile { return truncate_float(x); }
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int foo_cv(float x) const volatile { return truncate_float(x); }
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int foo_varargs(float x, ...) { return truncate_float(x); }
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int operator()(float x)
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{
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return foo(x) + 1;
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}
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int operator()(float x) const
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{
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return foo_c(x) + 2;
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}
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int bar;
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private:
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X(const X&);
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X& operator=(const X&);
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};
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int seventeen() { return 17; }
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struct get_seventeen
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{
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typedef int result_type;
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int operator()() const { return 17; }
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};
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void test01()
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{
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using std::ref;
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using std::cref;
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::get_seventeen get_sev;
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::X x;
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::X* xp = &x;
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int (::X::* p_foo)(float) = &::X::foo;
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int (::X::* p_foo_c)(float) const = &::X::foo_c;
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int (::X::* p_foo_v)(float) volatile = &::X::foo_v;
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int (::X::* p_foo_cv)(float) const volatile = &::X::foo_cv;
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int (::X::* p_foo_varargs)(float, ...) __attribute__((unused))
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= &::X::foo_varargs;
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int ::X::* p_bar = &::X::bar;
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const float pi = 3.14;
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// Functions
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VERIFY(ref(truncate_float)(pi) == 3);
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VERIFY(ref(seventeen)() == 17);
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// Function pointers
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VERIFY(cref(truncate_float)(pi) == 3);
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VERIFY(cref(seventeen)() == 17);
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// Member function pointers
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VERIFY(ref(p_foo)(x, pi) == 3);
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VERIFY(ref(p_foo)(xp, pi) == 3);
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VERIFY(ref(p_foo_c)(x, pi) == 3);
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VERIFY(ref(p_foo_c)(xp, pi) == 3);
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VERIFY(ref(p_foo_v)(x, pi) == 3);
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VERIFY(ref(p_foo_v)(xp, pi) == 3);
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VERIFY(ref(p_foo_cv)(x, pi) == 3);
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VERIFY(ref(p_foo_cv)(xp, pi) == 3);
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// VERIFY(ref(p_foo_varargs)(x, pi) == 3);
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// VERIFY(ref(p_foo_varargs)(xp, pi, 1, 1) == 3);
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// VERIFY(ref(p_foo_varargs)(x, pi, 1, 1) == 3);
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// VERIFY(ref(p_foo_varargs)(xp, pi) == 3);
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// Member data pointers
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VERIFY(ref(p_bar)(x) == 17);
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VERIFY(ref(p_bar)(xp) == 17);
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// Function objects
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VERIFY(ref(get_sev)() == 17);
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VERIFY(cref(get_sev)() == 17);
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VERIFY(ref(x)(pi) == 4);
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VERIFY(cref(x)(pi) == 5);
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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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