Wiped out some non-ascii characters that snuck into the copyright.

llvm-svn: 103516

18 files changed, 18 insertions, 18 deletions

diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/types.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/types.pass.cpp
index 051a4408e9b..359bfa7c48a 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/types.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/types.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// template<class T> class weak_ptr
// { 
// public: 
//     typedef T element_type;
//     ...
// };

#include <memory>

struct A;  // purposefully incomplete

int main()
{
    static_assert((std::is_same<std::weak_ptr<A>::element_type, A>::value), "");
}
\ 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// template<class T> class weak_ptr
// { 
// public: 
//     typedef T element_type;
//     ...
// };

#include <memory>

struct A;  // purposefully incomplete

int main()
{
    static_assert((std::is_same<std::weak_ptr<A>::element_type, A>::value), "");
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
index f2f436b7a36..eb16e033d04 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.ownerless/owner_less.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// template <class T> struct owner_less; 
// 
// template <class T>
// struct owner_less<shared_ptr<T> > 
//     : binary_function<shared_ptr<T>, shared_ptr<T>, bool>
// {
//     typedef bool result_type; 
//     bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const; 
//     bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 
// }; 
// 
// template <class T>
// struct owner_less<weak_ptr<T> >
//     : binary_function<weak_ptr<T>, weak_ptr<T>, bool>
// { 
//     typedef bool result_type; 
//     bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 
// };

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);

    {
    typedef std::owner_less<std::shared_ptr<int> > CS;
    CS cs;

    assert(!cs(p1, p2));
    assert(!cs(p2, p1));
    assert(cs(p1 ,p3) || cs(p3, p1));
    assert(cs(p3, p1) == cs(p3, p2));

    assert(!cs(p1, w2));
    assert(!cs(p2, w1));
    assert(cs(p1, w3) || cs(p3, w1));
    assert(cs(p3, w1) == cs(p3, w2));
    }
    {
    typedef std::owner_less<std::weak_ptr<int> > CS;
    CS cs;

    assert(!cs(w1, w2));
    assert(!cs(w2, w1));
    assert(cs(w1, w3) || cs(w3, w1));
    assert(cs(w3, w1) == cs(w3, w2));

    assert(!cs(w1, p2));
    assert(!cs(w2, p1));
    assert(cs(w1, p3) || cs(w3, p1));
    assert(cs(w3, p1) == cs(w3, p2));
    }
}
\ 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// template <class T> struct owner_less; 
// 
// template <class T>
// struct owner_less<shared_ptr<T> > 
//     : binary_function<shared_ptr<T>, shared_ptr<T>, bool>
// {
//     typedef bool result_type; 
//     bool operator()(shared_ptr<T> const&, shared_ptr<T> const&) const; 
//     bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 
// }; 
// 
// template <class T>
// struct owner_less<weak_ptr<T> >
//     : binary_function<weak_ptr<T>, weak_ptr<T>, bool>
// { 
//     typedef bool result_type; 
//     bool operator()(weak_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(shared_ptr<T> const&, weak_ptr<T> const&) const; 
//     bool operator()(weak_ptr<T> const&, shared_ptr<T> const&) const; 
// };

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);

    {
    typedef std::owner_less<std::shared_ptr<int> > CS;
    CS cs;

    assert(!cs(p1, p2));
    assert(!cs(p2, p1));
    assert(cs(p1 ,p3) || cs(p3, p1));
    assert(cs(p3, p1) == cs(p3, p2));

    assert(!cs(p1, w2));
    assert(!cs(p2, w1));
    assert(cs(p1, w3) || cs(p3, w1));
    assert(cs(p3, w1) == cs(p3, w2));
    }
    {
    typedef std::owner_less<std::weak_ptr<int> > CS;
    CS cs;

    assert(!cs(w1, w2));
    assert(!cs(w2, w1));
    assert(cs(w1, w3) || cs(w3, w1));
    assert(cs(w3, w1) == cs(w3, w2));

    assert(!cs(w1, p2));
    assert(!cs(w2, p1));
    assert(cs(w1, p3) || cs(w3, p1));
    assert(cs(w3, p1) == cs(w3, p2));
    }
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/shared_ptr_Y.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/shared_ptr_Y.pass.cpp
index 02dc7e812b8..87569aadb20 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/shared_ptr_Y.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/shared_ptr_Y.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr& operator=(const shared_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> pA(new A);
        {
            std::weak_ptr<B> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr& operator=(const shared_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> pA(new A);
        {
            std::weak_ptr<B> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr.pass.cpp
index 0e9859bec34..853d43265ea 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// weak_ptr& operator=(const weak_ptr& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        {
            std::weak_ptr<A> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// weak_ptr& operator=(const weak_ptr& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        {
            std::weak_ptr<A> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr_Y.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr_Y.pass.cpp
index 1d062145304..85461b90f7e 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr_Y.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.assign/weak_ptr_Y.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr& operator=(const weak_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        {
            std::weak_ptr<B> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr& operator=(const weak_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        {
            std::weak_ptr<B> pB;
            pB = pA;
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp
index 576ec0c98f9..ef62c139a7e 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/default.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// template<class T> class weak_ptr

// weak_ptr();

#include <memory>
#include <cassert>

struct A;

int main()
{
    std::weak_ptr<A> p;
    assert(p.use_count() == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// template<class T> class weak_ptr

// weak_ptr();

#include <memory>
#include <cassert>

struct A;

int main()
{
    std::weak_ptr<A> p;
    assert(p.use_count() == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/shared_ptr_Y.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/shared_ptr_Y.pass.cpp
index 15a5c1cacd5..1efdb03774b 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/shared_ptr_Y.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/shared_ptr_Y.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr(const shared_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    static_assert(( std::is_convertible<std::shared_ptr<A>, std::weak_ptr<B> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<B>, std::shared_ptr<A> >::value), "");
    static_assert((!std::is_convertible<std::shared_ptr<A>, std::weak_ptr<C> >::value), "");
    {
        const std::shared_ptr<A> pA(new A);
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::shared_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr(const shared_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    static_assert(( std::is_convertible<std::shared_ptr<A>, std::weak_ptr<B> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<B>, std::shared_ptr<A> >::value), "");
    static_assert((!std::is_convertible<std::shared_ptr<A>, std::weak_ptr<C> >::value), "");
    {
        const std::shared_ptr<A> pA(new A);
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::shared_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr.pass.cpp
index 2b49b9706fa..fabf4324536 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// weak_ptr(const weak_ptr& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
        {
            std::weak_ptr<A> pB(pA);
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::weak_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<A> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// weak_ptr(const weak_ptr& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    {
        const std::shared_ptr<A> ps(new A);
        const std::weak_ptr<A> pA(ps);
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
        {
            std::weak_ptr<A> pB(pA);
            assert(B::count == 1);
            assert(A::count == 1);
            assert(pB.use_count() == 1);
            assert(pA.use_count() == 1);
        }
        assert(pA.use_count() == 1);
        assert(B::count == 1);
        assert(A::count == 1);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::weak_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<A> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr_Y.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr_Y.pass.cpp
index 415ee71cc85..8b2db201d6d 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr_Y.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.const/weak_ptr_Y.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr(const weak_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    static_assert(( std::is_convertible<std::weak_ptr<A>, std::weak_ptr<B> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<B>, std::weak_ptr<A> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<A>, std::weak_ptr<C> >::value), "");
    {
        const std::weak_ptr<A> pA(std::shared_ptr<A>(new A));
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::weak_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class Y> weak_ptr(const weak_ptr<Y>& r);

#include <memory>
#include <type_traits>
#include <cassert>

struct B
{
    static int count;

    B() {++count;}
    B(const B&) {++count;}
    virtual ~B() {--count;}
};

int B::count = 0;

struct A
    : public B
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

struct C
{
    static int count;

    C() {++count;}
    C(const C&) {++count;}
    virtual ~C() {--count;}
};

int C::count = 0;

int main()
{
    static_assert(( std::is_convertible<std::weak_ptr<A>, std::weak_ptr<B> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<B>, std::weak_ptr<A> >::value), "");
    static_assert((!std::is_convertible<std::weak_ptr<A>, std::weak_ptr<C> >::value), "");
    {
        const std::weak_ptr<A> pA(std::shared_ptr<A>(new A));
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 0);
    {
        std::weak_ptr<A> pA;
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
        {
            std::weak_ptr<B> pB(pA);
            assert(B::count == 0);
            assert(A::count == 0);
            assert(pB.use_count() == 0);
            assert(pA.use_count() == 0);
        }
        assert(pA.use_count() == 0);
        assert(B::count == 0);
        assert(A::count == 0);
    }
    assert(B::count == 0);
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.dest/tested_elsewhere.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.dest/tested_elsewhere.pass.cpp
index 92348261209..e8db90cbee0 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.dest/tested_elsewhere.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.dest/tested_elsewhere.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

int main()
{
}
\ 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.
//
//===----------------------------------------------------------------------===//

int main()
{
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp
index 9fcb90994c8..50aa527232a 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/reset.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// void swap(weak_ptr& r);

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::shared_ptr<A> p1(new A);
        std::weak_ptr<A> w1(p1);
        assert(w1.use_count() == 1);
        w1.reset();
        assert(w1.use_count() == 0);
        assert(p1.use_count() == 1);
    }
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// void swap(weak_ptr& r);

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::shared_ptr<A> p1(new A);
        std::weak_ptr<A> w1(p1);
        assert(w1.use_count() == 1);
        w1.reset();
        assert(w1.use_count() == 0);
        assert(p1.use_count() == 1);
    }
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/swap.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/swap.pass.cpp
index 7ee2277e281..1bd3a3f6c50 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/swap.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.mod/swap.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// void swap(weak_ptr& r);

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        A* ptr1 = new A;
        A* ptr2 = new A;
        std::shared_ptr<A> p1(ptr1);
        std::weak_ptr<A> w1(p1);
        {
            std::shared_ptr<A> p2(ptr2);
            std::weak_ptr<A> w2(p2);
            w1.swap(w2);
            assert(w1.use_count() == 1);
            assert(w1.lock().get() == ptr2);
            assert(w2.use_count() == 1);
            assert(w2.lock().get() == ptr1);
            assert(A::count == 2);
        }
    }
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// void swap(weak_ptr& r);

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        A* ptr1 = new A;
        A* ptr2 = new A;
        std::shared_ptr<A> p1(ptr1);
        std::weak_ptr<A> w1(p1);
        {
            std::shared_ptr<A> p2(ptr2);
            std::weak_ptr<A> w2(p2);
            w1.swap(w2);
            assert(w1.use_count() == 1);
            assert(w1.lock().get() == ptr2);
            assert(w2.use_count() == 1);
            assert(w2.lock().get() == ptr1);
            assert(A::count == 2);
        }
    }
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/expired.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/expired.pass.cpp
index 59f5388719f..3d93fb93e9e 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/expired.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/expired.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// bool expired() const;

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::weak_ptr<A> wp;
        assert(wp.use_count() == 0);
        assert(wp.expired() == (wp.use_count() == 0));
    }
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        assert(wp.use_count() == 1);
        assert(wp.expired() == (wp.use_count() == 0));
        sp0.reset();
        assert(wp.use_count() == 0);
        assert(wp.expired() == (wp.use_count() == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// bool expired() const;

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::weak_ptr<A> wp;
        assert(wp.use_count() == 0);
        assert(wp.expired() == (wp.use_count() == 0));
    }
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        assert(wp.use_count() == 1);
        assert(wp.expired() == (wp.use_count() == 0));
        sp0.reset();
        assert(wp.use_count() == 0);
        assert(wp.expired() == (wp.use_count() == 0));
    }
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp
index fc7e338e6b7..c68792058fc 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/lock.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// shared_ptr<T> lock() const;

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::weak_ptr<A> wp;
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 0);
        assert(sp.get() == 0);
        assert(A::count == 0);
    }
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 2);
        assert(sp.get() == sp0.get());
        assert(A::count == 1);
    }
    assert(A::count == 0);
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        sp0.reset();
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 0);
        assert(sp.get() == 0);
        assert(A::count == 0);
    }
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// shared_ptr<T> lock() const;

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        std::weak_ptr<A> wp;
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 0);
        assert(sp.get() == 0);
        assert(A::count == 0);
    }
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 2);
        assert(sp.get() == sp0.get());
        assert(A::count == 1);
    }
    assert(A::count == 0);
    {
        std::shared_ptr<A> sp0(new A);
        std::weak_ptr<A> wp(sp0);
        sp0.reset();
        std::shared_ptr<A> sp = wp.lock();
        assert(sp.use_count() == 0);
        assert(sp.get() == 0);
        assert(A::count == 0);
    }
    assert(A::count == 0);
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/not_less_than.fail.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/not_less_than.fail.cpp
index aa3aad73b4a..18bacf4a43a 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/not_less_than.fail.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/not_less_than.fail.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// template <class T> class weak_ptr;
// 
// not less than comparable

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);

    bool b = w1 < w2;
}
\ 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// template <class T> class weak_ptr;
// 
// not less than comparable

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);

    bool b = w1 < w2;
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_shared_ptr.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_shared_ptr.pass.cpp
index 307dba53285..e3ad3807ea3 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_shared_ptr.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_shared_ptr.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class U> bool owner_before(const shared_ptr<U>& b);

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);
    assert(!w1.owner_before(p2));
    assert(!w2.owner_before(p1));
    assert(w1.owner_before(p3) || w3.owner_before(p1));
    assert(w3.owner_before(p1) == w3.owner_before(p2));
}
\ 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class U> bool owner_before(const shared_ptr<U>& b);

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);
    assert(!w1.owner_before(p2));
    assert(!w2.owner_before(p1));
    assert(w1.owner_before(p3) || w3.owner_before(p1));
    assert(w3.owner_before(p1) == w3.owner_before(p2));
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_weak_ptr.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_weak_ptr.pass.cpp
index a2603af6ff2..6f123821233 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_weak_ptr.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.obs/owner_before_weak_ptr.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class U> bool owner_before(const weak_ptr<U>& b);

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);
    assert(!w1.owner_before(w2));
    assert(!w2.owner_before(w1));
    assert(w1.owner_before(w3) || w3.owner_before(w1));
    assert(w3.owner_before(w1) == w3.owner_before(w2));
}
\ 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class U> bool owner_before(const weak_ptr<U>& b);

#include <memory>
#include <cassert>

int main()
{
    const std::shared_ptr<int> p1(new int);
    const std::shared_ptr<int> p2 = p1;
    const std::shared_ptr<int> p3(new int);
    const std::weak_ptr<int> w1(p1);
    const std::weak_ptr<int> w2(p2);
    const std::weak_ptr<int> w3(p3);
    assert(!w1.owner_before(w2));
    assert(!w2.owner_before(w1));
    assert(w1.owner_before(w3) || w3.owner_before(w1));
    assert(w3.owner_before(w1) == w3.owner_before(w2));
}
\ No newline at end of file
diff --git a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.spec/swap.pass.cpp b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.spec/swap.pass.cpp
index b02f4eaf7c8..c349f90b638 100644
--- a/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.spec/swap.pass.cpp
+++ b/libcxx/test/utilities/memory/util.smartptr/util.smartptr.weak/util.smartptr.weak.spec/swap.pass.cpp
@@ -1 +1 @@
-//===----------------------------------------------------------------------===//
//
// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b)

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        A* ptr1 = new A;
        A* ptr2 = new A;
        std::shared_ptr<A> p1(ptr1);
        std::weak_ptr<A> w1(p1);
        {
            std::shared_ptr<A> p2(ptr2);
            std::weak_ptr<A> w2(p2);
            swap(w1, w2);
            assert(w1.use_count() == 1);
            assert(w1.lock().get() == ptr2);
            assert(w2.use_count() == 1);
            assert(w2.lock().get() == ptr1);
            assert(A::count == 2);
        }
    }
    assert(A::count == 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.
//
//===----------------------------------------------------------------------===//

// <memory>

// weak_ptr

// template<class T> void swap(weak_ptr<T>& a, weak_ptr<T>& b)

#include <memory>
#include <cassert>

struct A
{
    static int count;

    A() {++count;}
    A(const A&) {++count;}
    ~A() {--count;}
};

int A::count = 0;

int main()
{
    {
        A* ptr1 = new A;
        A* ptr2 = new A;
        std::shared_ptr<A> p1(ptr1);
        std::weak_ptr<A> w1(p1);
        {
            std::shared_ptr<A> p2(ptr2);
            std::weak_ptr<A> w2(p2);
            swap(w1, w2);
            assert(w1.use_count() == 1);
            assert(w1.lock().get() == ptr2);
            assert(w2.use_count() == 1);
            assert(w2.lock().get() == ptr1);
            assert(A::count == 2);
        }
    }
    assert(A::count == 0);
}
\ No newline at end of file