1 files changed, 59 insertions, 1 deletions
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_F.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_F.pass.cpp
index 01ffad74de8..43868e390ed 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_F.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_F.pass.cpp
@@ -16,7 +16,65 @@
 #include <functional>
 #include <cassert>
 
+#include "../test_allocator.h"
+
+class A
+{
+    int data_[10];
+public:
+    static int count;
+
+    A()
+    {
+        ++count;
+        for (int i = 0; i < 10; ++i)
+            data_[i] = i;
+    }
+
+    A(const A&) {++count;}
+
+    ~A() {--count;}
+
+    int operator()(int i) const
+    {
+        for (int j = 0; j < 10; ++j)
+            i += data_[j];
+        return i;
+    }
+
+    int foo(int) const {return 1;}
+};
+
+int A::count = 0;
+
+int g(int) {return 0;}
+
 int main()
 {
-#error template<class F, class A> function(allocator_arg_t, const A&, F); not implemented
+    {
+    std::function<int(int)> f(std::allocator_arg, test_allocator<A>(), A());
+    assert(A::count == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    }
+    assert(A::count == 0);
+    {
+    std::function<int(int)> f(std::allocator_arg, test_allocator<int(*)(int)>(), g);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(int)> f(std::allocator_arg, test_allocator<int(*)(int)>(),
+                              (int (*)(int))0);
+    assert(!f);
+    assert(f.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(const A*, int)> f(std::allocator_arg,
+                                        test_allocator<int(A::*)(int)const>(),
+                                        &A::foo);
+    assert(f);
+    assert(f.target<int (A::*)(int) const>() != 0);
+    }
 }