| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <functional> |
| |
| // class function<R(ArgTypes...)> |
| |
| // R operator()(ArgTypes... args) const |
| |
| #include <functional> |
| #include <new> |
| #include <cstdlib> |
| #include <cassert> |
| |
| // 0 args, return void |
| |
| int count = 0; |
| |
| void f_void_0() |
| { |
| ++count; |
| } |
| |
| struct A_void_0 |
| { |
| void operator()() {++count;} |
| }; |
| |
| void |
| test_void_0() |
| { |
| int save_count = count; |
| // function |
| { |
| std::function<void ()> r1(f_void_0); |
| r1(); |
| assert(count == save_count+1); |
| save_count = count; |
| } |
| // function pointer |
| { |
| void (*fp)() = f_void_0; |
| std::function<void ()> r1(fp); |
| r1(); |
| assert(count == save_count+1); |
| save_count = count; |
| } |
| // functor |
| { |
| A_void_0 a0; |
| std::function<void ()> r1(a0); |
| r1(); |
| assert(count == save_count+1); |
| save_count = count; |
| } |
| } |
| |
| int main() |
| { |
| test_void_0(); |
| } |