diff options
Diffstat (limited to 'test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp')
| -rw-r--r-- | test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp b/test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp new file mode 100644 index 000000000000..122716a23a8b --- /dev/null +++ b/test/std/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp @@ -0,0 +1,58 @@ +//===----------------------------------------------------------------------===// +// +// 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> + +// reference_wrapper + +// reference_wrapper& operator=(const reference_wrapper<T>& x); + +#include <functional> +#include <cassert> + +class functor1 + : public std::unary_function<int, char> +{ +}; + +template <class T> +void +test(T& t) +{ + std::reference_wrapper<T> r(t); + T t2 = t; + std::reference_wrapper<T> r2(t2); + r2 = r; + assert(&r2.get() == &t); +} + +void f() {} +void g() {} + +void +test_function() +{ + std::reference_wrapper<void ()> r(f); + std::reference_wrapper<void ()> r2(g); + r2 = r; + assert(&r2.get() == &f); +} + +int main() +{ + void (*fp)() = f; + test(fp); + test_function(); + functor1 f1; + test(f1); + int i = 0; + test(i); + const int j = 0; + test(j); +} |
