Fixing whitespace problems

llvm-svn: 111767

8 files changed, 578 insertions, 8 deletions

diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp
index 06368fe3e89..22706dc2c88 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F.pass.cpp
@@ -1 +1,98 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// function(nullptr_t);

#include <functional>
#include <new>
#include <cstdlib>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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()
{
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    }
    assert(A::count == 0);
    assert(new_called == 0);
    {
    std::function<int(int)> f = g;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>());
    assert(f.target<A>() == 0);
    }
    assert(new_called == 0);
    {
    std::function<int(int)> f = (int (*)(int))0;
    assert(!f);
    assert(new_called == 0);
    assert(f.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    }
    {
    std::function<int(const A*, int)> f = &A::foo;
    assert(f);
    assert(new_called == 0);
    assert(f.target<int (A::*)(int) const>() != 0);
    }
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function(nullptr_t);
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+int new_called = 0;
+
+void* operator new(std::size_t s) throw(std::bad_alloc)
+{
+    ++new_called;
+    return std::malloc(s);
+}
+
+void  operator delete(void* p) throw()
+{
+    --new_called;
+    std::free(p);
+}
+
+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()
+{
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    }
+    assert(A::count == 0);
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = g;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    }
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = (int (*)(int))0;
+    assert(!f);
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(const A*, int)> f = &A::foo;
+    assert(f);
+    assert(new_called == 0);
+    assert(f.target<int (A::*)(int) const>() != 0);
+    }
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F_assign.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F_assign.pass.cpp
index 2d6ab4b94cf..2d48079c973 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F_assign.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F_assign.pass.cpp
@@ -1 +1,105 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// template<class F> 
//   requires CopyConstructible<F> && Callable<F, ArgTypes..> 
//         && Convertible<Callable<F, ArgTypes...>::result_type 
//   operator=(F f);

#include <functional>
#include <new>
#include <cstdlib>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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()
{
    assert(new_called == 0);
    {
    std::function<int(int)> f;
    f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    }
    assert(A::count == 0);
    assert(new_called == 0);
    {
    std::function<int(int)> f;
    f = g;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>());
    assert(f.target<A>() == 0);
    }
    assert(new_called == 0);
    {
    std::function<int(int)> f;
    f = (int (*)(int))0;
    assert(!f);
    assert(new_called == 0);
    assert(f.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    }
    {
    std::function<int(const A*, int)> f;
    f = &A::foo;
    assert(f);
    assert(new_called == 0);
    assert(f.target<int (A::*)(int) const>() != 0);
    }
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// template<class F>
+//   requires CopyConstructible<F> && Callable<F, ArgTypes..>
+//         && Convertible<Callable<F, ArgTypes...>::result_type
+//   operator=(F f);
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+int new_called = 0;
+
+void* operator new(std::size_t s) throw(std::bad_alloc)
+{
+    ++new_called;
+    return std::malloc(s);
+}
+
+void  operator delete(void* p) throw()
+{
+    --new_called;
+    std::free(p);
+}
+
+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()
+{
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f;
+    f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    }
+    assert(A::count == 0);
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f;
+    f = g;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    }
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f;
+    f = (int (*)(int))0;
+    assert(!f);
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(const A*, int)> f;
+    f = &A::foo;
+    assert(f);
+    assert(new_called == 0);
+    assert(f.target<int (A::*)(int) const>() != 0);
+    }
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_rfunction.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_rfunction.pass.cpp
index 263cd81aee1..000faa7f259 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_rfunction.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/alloc_rfunction.pass.cpp
@@ -77,5 +77,5 @@ int main()
     assert(f.target<A>() == 0);
     assert(f.target<int(*)(int)>() == 0);
     }
-#endif
+#endif  // _LIBCPP_MOVE
 }
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy.pass.cpp
index d41975262fd..dc4b092d804 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy.pass.cpp
@@ -1 +1,119 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// function(const function& f);

#include <functional>
#include <new>
#include <cstdlib>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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 A::count = 0;

int g(int) {return 0;}

int main()
{
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    std::function<int(int)> f2 = f;
    assert(A::count == 2);
    assert(new_called == 2);
    assert(f2.target<A>());
    assert(f2.target<int(*)(int)>() == 0);
    }
    assert(A::count == 0);
    assert(new_called == 0);
    {
    std::function<int(int)> f = g;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>());
    assert(f.target<A>() == 0);
    std::function<int(int)> f2 = f;
    assert(new_called == 0);
    assert(f2.target<int(*)(int)>());
    assert(f2.target<A>() == 0);
    }
    assert(new_called == 0);
    {
    std::function<int(int)> f;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    std::function<int(int)> f2 = f;
    assert(new_called == 0);
    assert(f2.target<int(*)(int)>() == 0);
    assert(f2.target<A>() == 0);
    }
#ifdef _LIBCPP_MOVE
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    std::function<int(int)> f2 = _STD::move(f);
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f2.target<A>());
    assert(f2.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    assert(f.target<int(*)(int)>() == 0);
    }
#endif
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function(const function& f);
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+int new_called = 0;
+
+void* operator new(std::size_t s) throw(std::bad_alloc)
+{
+    ++new_called;
+    return std::malloc(s);
+}
+
+void  operator delete(void* p) throw()
+{
+    --new_called;
+    std::free(p);
+}
+
+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 A::count = 0;
+
+int g(int) {return 0;}
+
+int main()
+{
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    std::function<int(int)> f2 = f;
+    assert(A::count == 2);
+    assert(new_called == 2);
+    assert(f2.target<A>());
+    assert(f2.target<int(*)(int)>() == 0);
+    }
+    assert(A::count == 0);
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = g;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    std::function<int(int)> f2 = f;
+    assert(new_called == 0);
+    assert(f2.target<int(*)(int)>());
+    assert(f2.target<A>() == 0);
+    }
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    std::function<int(int)> f2 = f;
+    assert(new_called == 0);
+    assert(f2.target<int(*)(int)>() == 0);
+    assert(f2.target<A>() == 0);
+    }
+#ifdef _LIBCPP_MOVE
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    std::function<int(int)> f2 = _STD::move(f);
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f2.target<A>());
+    assert(f2.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    }
+#endif  // _LIBCPP_MOVE
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_assign.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_assign.pass.cpp
index 2dc88a93c84..1202914c3bb 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_assign.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/copy_assign.pass.cpp
@@ -1 +1,123 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// function& operator=(const function& f);

#include <functional>
#include <new>
#include <cstdlib>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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 A::count = 0;

int g(int) {return 0;}

int main()
{
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    std::function<int(int)> f2;
    f2 = f;
    assert(A::count == 2);
    assert(new_called == 2);
    assert(f2.target<A>());
    assert(f2.target<int(*)(int)>() == 0);
    }
    assert(A::count == 0);
    assert(new_called == 0);
    {
    std::function<int(int)> f = g;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>());
    assert(f.target<A>() == 0);
    std::function<int(int)> f2;
    f2 = f;
    assert(new_called == 0);
    assert(f2.target<int(*)(int)>());
    assert(f2.target<A>() == 0);
    }
    assert(new_called == 0);
    {
    std::function<int(int)> f;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    std::function<int(int)> f2;
    f2 = f;
    assert(new_called == 0);
    assert(f2.target<int(*)(int)>() == 0);
    assert(f2.target<A>() == 0);
    }
#ifdef _LIBCPP_MOVE
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    assert(f.target<int(*)(int)>() == 0);
    std::function<int(int)> f2;
    f2 = _STD::move(f);
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f2.target<A>());
    assert(f2.target<int(*)(int)>() == 0);
    assert(f.target<A>() == 0);
    assert(f.target<int(*)(int)>() == 0);
    }
#endif
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function& operator=(const function& f);
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+int new_called = 0;
+
+void* operator new(std::size_t s) throw(std::bad_alloc)
+{
+    ++new_called;
+    return std::malloc(s);
+}
+
+void  operator delete(void* p) throw()
+{
+    --new_called;
+    std::free(p);
+}
+
+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 A::count = 0;
+
+int g(int) {return 0;}
+
+int main()
+{
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    std::function<int(int)> f2;
+    f2 = f;
+    assert(A::count == 2);
+    assert(new_called == 2);
+    assert(f2.target<A>());
+    assert(f2.target<int(*)(int)>() == 0);
+    }
+    assert(A::count == 0);
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = g;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    std::function<int(int)> f2;
+    f2 = f;
+    assert(new_called == 0);
+    assert(f2.target<int(*)(int)>());
+    assert(f2.target<A>() == 0);
+    }
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    std::function<int(int)> f2;
+    f2 = f;
+    assert(new_called == 0);
+    assert(f2.target<int(*)(int)>() == 0);
+    assert(f2.target<A>() == 0);
+    }
+#ifdef _LIBCPP_MOVE
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    assert(f.target<int(*)(int)>() == 0);
+    std::function<int(int)> f2;
+    f2 = _STD::move(f);
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f2.target<A>());
+    assert(f2.target<int(*)(int)>() == 0);
+    assert(f.target<A>() == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    }
+#endif  // _LIBCPP_MOVE
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/default.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/default.pass.cpp
index 98e11620cfb..3a1cd667522 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/default.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/default.pass.cpp
@@ -1 +1,23 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// explicit function();

#include <functional>
#include <cassert>

int main()
{
    std::function<int(int)> f;
    assert(!f);
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// explicit function();
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    std::function<int(int)> f;
+    assert(!f);
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t.pass.cpp
index e812070ff0f..824e62c2e44 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t.pass.cpp
@@ -1 +1,23 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// function(nullptr_t);

#include <functional>
#include <cassert>

int main()
{
    std::function<int(int)> f(nullptr);
    assert(!f);
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function(nullptr_t);
+
+#include <functional>
+#include <cassert>
+
+int main()
+{
+    std::function<int(int)> f(nullptr);
+    assert(!f);
+}
diff --git a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp
index aa00a04f16e..5d64fa4fc72 100644
--- a/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp
+++ b/libcxx/test/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/nullptr_t_assign.pass.cpp
@@ -1 +1,86 @@
-//===----------------------------------------------------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <functional>

// class function<R(ArgTypes...)>

// function& operator=(nullptr_t);

#include <functional>
#include <new>
#include <cstdlib>
#include <cassert>

int new_called = 0;

void* operator new(std::size_t s) throw(std::bad_alloc)
{
    ++new_called;
    return std::malloc(s);
}

void  operator delete(void* p) throw()
{
    --new_called;
    std::free(p);
}

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 A::count = 0;

int g(int) {return 0;}

int main()
{
    assert(new_called == 0);
    {
    std::function<int(int)> f = A();
    assert(A::count == 1);
    assert(new_called == 1);
    assert(f.target<A>());
    f = nullptr;
    assert(A::count == 0);
    assert(new_called == 0);
    assert(f.target<A>() == 0);
    }
    {
    std::function<int(int)> f = g;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>());
    assert(f.target<A>() == 0);
    f = nullptr;
    assert(new_called == 0);
    assert(f.target<int(*)(int)>() == 0);
    }
}
\ No newline at end of file
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <functional>
+
+// class function<R(ArgTypes...)>
+
+// function& operator=(nullptr_t);
+
+#include <functional>
+#include <new>
+#include <cstdlib>
+#include <cassert>
+
+int new_called = 0;
+
+void* operator new(std::size_t s) throw(std::bad_alloc)
+{
+    ++new_called;
+    return std::malloc(s);
+}
+
+void  operator delete(void* p) throw()
+{
+    --new_called;
+    std::free(p);
+}
+
+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 A::count = 0;
+
+int g(int) {return 0;}
+
+int main()
+{
+    assert(new_called == 0);
+    {
+    std::function<int(int)> f = A();
+    assert(A::count == 1);
+    assert(new_called == 1);
+    assert(f.target<A>());
+    f = nullptr;
+    assert(A::count == 0);
+    assert(new_called == 0);
+    assert(f.target<A>() == 0);
+    }
+    {
+    std::function<int(int)> f = g;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>());
+    assert(f.target<A>() == 0);
+    f = nullptr;
+    assert(new_called == 0);
+    assert(f.target<int(*)(int)>() == 0);
+    }
+}