libcxx initial import

llvm-svn: 103490

1 files changed, 1 insertions, 0 deletions

diff --git a/libcxx/test/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp b/libcxx/test/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp
new file mode 100644
index 00000000000..c49105778bc
--- /dev/null
+++ b/libcxx/test/utilities/function.objects/refwrap/refwrap.assign/copy_assign.pass.cpp
@@ -0,0 +1 @@
+//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. 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);
}
\ No newline at end of file