diff options
Diffstat (limited to 'test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp')
| -rw-r--r-- | test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp new file mode 100644 index 000000000000..a820cb1b8f38 --- /dev/null +++ b/test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.inv/invoke_void_0.pass.cpp @@ -0,0 +1,67 @@ +//===----------------------------------------------------------------------===// +// +// 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(); +} |
