Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/utilities/utility/declval/declval.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T> typename add_rvalue_reference<T>::type declval() noexcept;
+
+#include <utility>
+#include <type_traits>
+
+class A
+{
+    A(const A&);
+    A& operator=(const A&);
+};
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    static_assert((std::is_same<decltype(std::declval<A>()), A&&>::value), "");
+#else
+    static_assert((std::is_same<decltype(std::declval<A>()), A>::value), "");
+#endif
+}

test/std/utilities/utility/exchange/exchange.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.
+//
+//===----------------------------------------------------------------------===//
+
+// utilities
+
+// exchange
+
+#include <utility>
+#include <cassert>
+#include <string>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    {
+    int v = 12;
+    assert ( std::exchange ( v, 23 ) == 12 );
+    assert ( v == 23 );
+    assert ( std::exchange ( v, 67.2 ) == 23 );
+    assert ( v == 67 );
+
+    assert ((std::exchange<int, float> ( v, {} )) == 67 );
+    assert ( v == 0 );
+    
+    }
+
+    {
+    bool b = false;
+    assert ( !std::exchange ( b, true ));
+    assert ( b );
+    }
+
+    {
+    const std::string s1 ( "Hi Mom!" );
+    const std::string s2 ( "Yo Dad!" );
+    std::string s3 = s1; // Mom
+    assert ( std::exchange ( s3, s2 ) == s1 );
+    assert ( s3 == s2 );
+    assert ( std::exchange ( s3, "Hi Mom!" ) == s2 );
+    assert ( s3 == s1 );
+
+    s3 = s2; // Dad
+    assert ( std::exchange ( s3, {} ) == s2 );
+    assert ( s3.size () == 0 );
+    
+    s3 = s2; // Dad
+    assert ( std::exchange ( s3, "" ) == s2 );
+    assert ( s3.size () == 0 );
+    }
+
+#endif
+}

test/std/utilities/utility/forward/forward.pass.cpp

@@ -0,0 +1,80 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+#include <cassert>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+typedef char one;
+struct two {one _[2];};
+struct four {one _[4];};
+struct eight {one _[8];};
+
+one test(A&);
+two test(const A&);
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+four test(A&&);
+eight test(const A&&);
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+    A a;
+    const A ca = A();
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
+    static_assert(sizeof(test(std::forward<A>(a))) == 4, "");
+    static_assert(sizeof(test(std::forward<A>(source()))) == 4, "");
+
+    static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
+//    static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(a))) == 8, "");
+    static_assert(sizeof(test(std::forward<const A>(source()))) == 8, "");
+
+    static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
+//    static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(ca))) == 8, "");
+    static_assert(sizeof(test(std::forward<const A>(csource()))) == 8, "");
+
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    static_assert(sizeof(test(std::forward<A&>(a))) == 1, "");
+    static_assert(sizeof(test(std::forward<A>(a))) == 1, "");
+//    static_assert(sizeof(test(std::forward<A>(source()))) == 2, "");
+
+    static_assert(sizeof(test(std::forward<const A&>(a))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A&>(source()))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(a))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(source()))) == 2, "");
+
+    static_assert(sizeof(test(std::forward<const A&>(ca))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A&>(csource()))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(ca))) == 2, "");
+    static_assert(sizeof(test(std::forward<const A>(csource()))) == 2, "");
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#if _LIBCPP_STD_VER > 11
+    constexpr int i1 = std::move(23);
+    static_assert(i1 == 23, "" );
+    constexpr int i2 = std::forward<int>(42);
+    static_assert(i2 == 42, "" );
+#endif
+}

test/std/utilities/utility/forward/forward1.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+int main()
+{
+    std::forward<A&>(source());  // error
+}

test/std/utilities/utility/forward/forward2.fail.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+int main()
+{
+    const A ca = A();
+    std::forward<A&>(ca);  // error
+}

test/std/utilities/utility/forward/forward3.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+int main()
+{
+    std::forward<A&>(csource());  // error
+}

test/std/utilities/utility/forward/forward4.fail.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+int main()
+{
+    const A ca = A();
+    std::forward<A>(ca);  // error
+}

test/std/utilities/utility/forward/forward5.fail.cpp

@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+int main()
+{
+    const A ca = A();
+    std::forward<A>(csource());  // error
+}

test/std/utilities/utility/forward/forward6.fail.cpp

@@ -0,0 +1,22 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test forward
+
+#include <utility>
+
+struct A
+{
+};
+
+int main()
+{
+    A a;
+    std::forward(a);  // error
+}

test/std/utilities/utility/forward/move_copy.pass.cpp

@@ -0,0 +1,71 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+int copy_ctor = 0;
+int move_ctor = 0;
+
+class A
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#else
+#endif
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    A(const A&) {++copy_ctor;}
+    A& operator=(const A&);
+
+    A(A&&) {++move_ctor;}
+    A& operator=(A&&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    A(const A&) {++copy_ctor;}
+    A& operator=(A&);
+
+    operator std::__rv<A> () {return std::__rv<A>(*this);}
+    A(std::__rv<A>) {++move_ctor;}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    A() {}
+};
+
+A source() {return A();}
+const A csource() {return A();}
+
+void test(A) {}
+
+int main()
+{
+    A a;
+    const A ca = A();
+
+    assert(copy_ctor == 0);
+    assert(move_ctor == 0);
+
+    A a2 = a;
+    assert(copy_ctor == 1);
+    assert(move_ctor == 0);
+
+    A a3 = std::move(a);
+    assert(copy_ctor == 1);
+    assert(move_ctor == 1);
+
+    A a4 = ca;
+    assert(copy_ctor == 2);
+    assert(move_ctor == 1);
+
+    A a5 = std::move(ca);
+    assert(copy_ctor == 3);
+    assert(move_ctor == 1);
+}

test/std/utilities/utility/forward/move_if_noexcept.pass.cpp

@@ -0,0 +1,69 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T>
+//     typename conditional
+//     <
+//         !is_nothrow_move_constructible<T>::value && is_copy_constructible<T>::value,
+//         const T&,
+//         T&&
+//     >::type
+//     move_if_noexcept(T& x);
+
+#include <utility>
+
+class A
+{
+    A(const A&);
+    A& operator=(const A&);
+public:
+
+    A() {}
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    A(A&&) {}
+#endif
+};
+
+struct legacy
+{
+    legacy() {}
+    legacy(const legacy&);
+};
+
+int main()
+{
+    int i = 0;
+    const int ci = 0;
+
+    legacy l;
+    A a;
+    const A ca;
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    static_assert((std::is_same<decltype(std::move_if_noexcept(i)), int&&>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(ci)), const int&&>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(a)), A&&>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(ca)), const A&&>::value), "");
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    static_assert((std::is_same<decltype(std::move_if_noexcept(i)), const int>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(ci)), const int>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(a)), const A>::value), "");
+    static_assert((std::is_same<decltype(std::move_if_noexcept(ca)), const A>::value), "");
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    static_assert((std::is_same<decltype(std::move_if_noexcept(l)), const legacy&>::value), "");
+
+#if _LIBCPP_STD_VER > 11
+    constexpr int i1 = 23;
+    constexpr int i2 = std::move_if_noexcept(i1);
+    static_assert(i2 == 23, "" );
+#endif
+
+}

test/std/utilities/utility/forward/move_only.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+class move_only
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(const move_only&);
+    move_only& operator=(const move_only&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&);
+    move_only& operator=(move_only&);
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&&) {}
+    move_only& operator=(move_only&&) {return *this;}
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
+    move_only(std::__rv<move_only>) {}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    move_only() {}
+};
+
+move_only source() {return move_only();}
+const move_only csource() {return move_only();}
+
+void test(move_only) {}
+
+int main()
+{
+    move_only mo;
+
+    test(std::move(mo));
+    test(source());
+}

test/std/utilities/utility/forward/move_only1.fail.cpp

@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+#include <typeinfo>
+#include <stdio.h>
+
+class move_only
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(const move_only&);
+    move_only& operator=(const move_only&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&);
+    move_only& operator=(move_only&);
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&&) {}
+    move_only& operator=(move_only&&) {}
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
+    move_only(std::__rv<move_only>) {}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    move_only() {}
+};
+
+move_only source() {return move_only();}
+const move_only csource() {return move_only();}
+
+void test(move_only) {}
+
+int main()
+{
+    move_only a;
+    const move_only ca = move_only();
+
+    test(a);
+}

test/std/utilities/utility/forward/move_only2.fail.cpp

@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+#include <typeinfo>
+#include <stdio.h>
+
+class move_only
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(const move_only&);
+    move_only& operator=(const move_only&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&);
+    move_only& operator=(move_only&);
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&&) {}
+    move_only& operator=(move_only&&) {}
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
+    move_only(std::__rv<move_only>) {}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    move_only() {}
+};
+
+move_only source() {return move_only();}
+const move_only csource() {return move_only();}
+
+void test(move_only) {}
+
+int main()
+{
+    move_only a;
+    const move_only ca = move_only();
+
+    test(ca);
+}

test/std/utilities/utility/forward/move_only3.fail.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+class move_only
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(const move_only&);
+    move_only& operator=(const move_only&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&);
+    move_only& operator=(move_only&);
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&&) {}
+    move_only& operator=(move_only&&) {}
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
+    move_only(std::__rv<move_only>) {}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    move_only() {}
+};
+
+move_only source() {return move_only();}
+const move_only csource() {return move_only();}
+
+void test(move_only) {}
+
+int main()
+{
+    move_only a;
+    const move_only ca = move_only();
+
+    test(std::move(ca));
+}

test/std/utilities/utility/forward/move_only4.fail.cpp

@@ -0,0 +1,52 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test move
+
+#include <utility>
+#include <cassert>
+
+#include <typeinfo>
+#include <stdio.h>
+
+class move_only
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(const move_only&);
+    move_only& operator=(const move_only&);
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&);
+    move_only& operator=(move_only&);
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+public:
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    move_only(move_only&&) {}
+    move_only& operator=(move_only&&) {}
+#else  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    operator std::__rv<move_only> () {return std::__rv<move_only>(*this);}
+    move_only(std::__rv<move_only>) {}
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+    move_only() {}
+};
+
+move_only source() {return move_only();}
+const move_only csource() {return move_only();}
+
+void test(move_only) {}
+
+int main()
+{
+    move_only a;
+    const move_only ca = move_only();
+
+    test(csource());
+}

test/std/utilities/utility/operators/rel_ops.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// test rel_ops
+
+#include <utility>
+#include <cassert>
+
+struct A
+{
+    int data_;
+
+    explicit A(int data = -1) : data_(data) {}
+};
+
+inline
+bool
+operator == (const A& x, const A& y)
+{
+    return x.data_ == y.data_;
+}
+
+inline
+bool
+operator < (const A& x, const A& y)
+{
+    return x.data_ < y.data_;
+}
+
+int main()
+{
+    using namespace std::rel_ops;
+    A a1(1);
+    A a2(2);
+    assert(a1 == a1);
+    assert(a1 != a2);
+    assert(a1 < a2);
+    assert(a2 > a1);
+    assert(a1 <= a1);
+    assert(a1 <= a2);
+    assert(a2 >= a2);
+    assert(a2 >= a1);
+}

test/std/utilities/utility/pairs/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/utilities/utility/pairs/pair.astuple/get_const.fail.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<size_t I, class T1, class T2>
+//     const typename tuple_element<I, std::pair<T1, T2> >::type&
+//     get(const pair<T1, T2>&);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P;
+        const P p(3, 4);
+        assert(std::get<0>(p) == 3);
+        assert(std::get<1>(p) == 4);
+        std::get<0>(p) = 5;
+    }
+}

test/std/utilities/utility/pairs/pair.astuple/get_const.pass.cpp

@@ -0,0 +1,38 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<size_t I, class T1, class T2>
+//     const typename tuple_element<I, std::pair<T1, T2> >::type&
+//     get(const pair<T1, T2>&);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P;
+        const P p(3, 4);
+        assert(std::get<0>(p) == 3);
+        assert(std::get<1>(p) == 4);
+    }
+
+#if __cplusplus > 201103L
+    {
+        typedef std::pair<int, short> P;
+        constexpr P p1(3, 4);
+        static_assert(std::get<0>(p1) == 3, "");
+        static_assert(std::get<1>(p1) == 4, "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pair.astuple/get_non_const.pass.cpp

@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<size_t I, class T1, class T2>
+//     typename tuple_element<I, std::pair<T1, T2> >::type&
+//     get(pair<T1, T2>&);
+
+#include <utility>
+#include <cassert>
+
+#if __cplusplus > 201103L
+struct S {
+   std::pair<int, int> a;
+   int k;
+   constexpr S() : a{1,2}, k(std::get<0>(a)) {}
+   };
+
+constexpr std::pair<int, int> getP () { return { 3, 4 }; }
+#endif
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P;
+        P p(3, 4);
+        assert(std::get<0>(p) == 3);
+        assert(std::get<1>(p) == 4);
+        std::get<0>(p) = 5;
+        std::get<1>(p) = 6;
+        assert(std::get<0>(p) == 5);
+        assert(std::get<1>(p) == 6);
+    }
+
+#if __cplusplus > 201103L
+    {
+        static_assert(S().k == 1, "");
+        static_assert(std::get<1>(getP()) == 4, "");
+    }
+#endif
+
+}

test/std/utilities/utility/pairs/pair.astuple/get_rv.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<size_t I, class T1, class T2>
+//     typename tuple_element<I, std::pair<T1, T2> >::type&&
+//     get(pair<T1, T2>&&);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P;
+        P p(std::unique_ptr<int>(new int(3)), 4);
+        std::unique_ptr<int> ptr = std::get<0>(std::move(p));
+        assert(*ptr == 3);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/utilities/utility/pairs/pair.astuple/pairs.by.type.pass.cpp

@@ -0,0 +1,44 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <utility>
+#include <string>
+#include <complex>
+
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    typedef std::complex<float> cf;
+    {
+    auto t1 = std::make_pair<int, cf> ( 42, { 1,2 } );
+    assert ( std::get<int>(t1) == 42 );
+    assert ( std::get<cf>(t1).real() == 1 );
+    assert ( std::get<cf>(t1).imag() == 2 );
+    }
+    
+    {
+    const std::pair<int, const int> p1 { 1, 2 };
+    const int &i1 = std::get<int>(p1);
+    const int &i2 = std::get<const int>(p1);
+    assert ( i1 == 1 );
+    assert ( i2 == 2 );
+    }
+
+    {
+    typedef std::unique_ptr<int> upint;
+    std::pair<upint, int> t(upint(new int(4)), 42);
+    upint p = std::get<0>(std::move(t)); // get rvalue
+    assert(*p == 4);
+    assert(std::get<0>(t) == nullptr); // has been moved from
+    }
+
+#endif
+}

test/std/utilities/utility/pairs/pair.astuple/pairs.by.type1.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <utility>
+#include <complex>
+
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    typedef std::complex<float> cf;
+    auto t1 = std::make_pair<int, double> ( 42, 3.4 );
+    assert (( std::get<cf>(t1) == cf {1,2} ));  // no such type
+#else
+#error
+#endif
+}

test/std/utilities/utility/pairs/pair.astuple/pairs.by.type2.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <utility>
+#include <complex>
+
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    typedef std::complex<float> cf;
+    auto t1 = std::make_pair<int, int> ( 42, 43 );
+    assert ( std::get<int>(t1) == 42 ); // two ints
+#else
+#error
+#endif
+}

test/std/utilities/utility/pairs/pair.astuple/pairs.by.type3.fail.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+#include <utility>
+#include <complex>
+
+#include <cassert>
+
+int main()
+{
+#if _LIBCPP_STD_VER > 11
+    typedef std::unique_ptr<int> upint;
+    std::pair<upint, int> t(upint(new int(4)), 23);
+    upint p = std::get<upint>(t);
+#else
+#error
+#endif
+}

test/std/utilities/utility/pairs/pair.astuple/tuple_element.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// tuple_element<I, pair<T1, T2> >::type
+
+#include <utility>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        static_assert((std::is_same<std::tuple_element<0, P1>::type, int>::value), "");
+        static_assert((std::is_same<std::tuple_element<1, P1>::type, short>::value), "");
+    }
+    {
+        typedef std::pair<int*, char> P1;
+        static_assert((std::is_same<std::tuple_element<0, P1>::type, int*>::value), "");
+        static_assert((std::is_same<std::tuple_element<1, P1>::type, char>::value), "");
+    }
+}

test/std/utilities/utility/pairs/pair.astuple/tuple_size.pass.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// tuple_size<pair<T1, T2> >::value
+
+#include <utility>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        static_assert((std::tuple_size<P1>::value == 2), "");
+    }
+}

test/std/utilities/utility/pairs/pair.piecewise/piecewise_construct.pass.cpp

@@ -0,0 +1,55 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// struct piecewise_construct_t { };
+// constexpr piecewise_construct_t piecewise_construct = piecewise_construct_t();
+
+#include <utility>
+#include <tuple>
+#include <cassert>
+
+class A
+{
+    int i_;
+    char c_;
+public:
+    A(int i, char c) : i_(i), c_(c) {}
+    int get_i() const {return i_;}
+    char get_c() const {return c_;}
+};
+
+class B
+{
+    double d_;
+    unsigned u1_;
+    unsigned u2_;
+public:
+    B(double d, unsigned u1, unsigned u2) : d_(d), u1_(u1), u2_(u2) {}
+    double get_d() const {return d_;}
+    unsigned get_u1() const {return u1_;}
+    unsigned get_u2() const {return u2_;}
+};
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+    std::pair<A, B> p(std::piecewise_construct,
+                      std::make_tuple(4, 'a'),
+                      std::make_tuple(3.5, 6u, 2u));
+    assert(p.first.get_i() == 4);
+    assert(p.first.get_c() == 'a');
+    assert(p.second.get_d() == 3.5);
+    assert(p.second.get_u1() == 6u);
+    assert(p.second.get_u2() == 2u);
+#endif
+}

test/std/utilities/utility/pairs/pairs.general/nothing_to_do.pass.cpp

@@ -0,0 +1,12 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+int main()
+{
+}

test/std/utilities/utility/pairs/pairs.pair/U_V.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<class U, class V> pair(U&& x, V&& y);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<int>, short*> P;
+        P p(std::unique_ptr<int>(new int(3)), nullptr);
+        assert(*p.first == 3);
+        assert(p.second == nullptr);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/utilities/utility/pairs/pairs.pair/assign_const_pair_U_V.pass.cpp

@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<class U, class V> pair& operator=(const pair<U, V>& p);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        typedef std::pair<double, long> P2;
+        P1 p1(3, 4);
+        P2 p2;
+        p2 = p1;
+        assert(p2.first == 3);
+        assert(p2.second == 4);
+    }
+}

test/std/utilities/utility/pairs/pairs.pair/assign_rv_pair.pass.cpp

@@ -0,0 +1,32 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// pair& operator=(pair&& p);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P;
+        P p1(std::unique_ptr<int>(new int(3)), 4);
+        P p2;
+        p2 = std::move(p1);
+        assert(*p2.first == 3);
+        assert(p2.second == 4);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/utilities/utility/pairs/pairs.pair/assign_rv_pair_U_V.pass.cpp

@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template<class U, class V> pair& operator=(pair<U, V>&& p);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+struct Base
+{
+    virtual ~Base() {}
+};
+
+struct Derived
+    : public Base
+{
+};
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<Derived>, short> P1;
+        typedef std::pair<std::unique_ptr<Base>, long> P2;
+        P1 p1(std::unique_ptr<Derived>(), 4);
+        P2 p2;
+        p2 = std::move(p1);
+        assert(p2.first == nullptr);
+        assert(p2.second == 4);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/utilities/utility/pairs/pairs.pair/const_first_const_second.pass.cpp

@@ -0,0 +1,68 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// pair(const T1& x, const T2& y);
+
+#include <utility>
+#include <cassert>
+
+class A
+{
+    int data_;
+public:
+    A(int data) : data_(data) {}
+
+    bool operator==(const A& a) const {return data_ == a.data_;}
+};
+
+#if _LIBCPP_STD_VER > 11
+class AC
+{
+    int data_;
+public:
+    constexpr AC(int data) : data_(data) {}
+
+    constexpr bool operator==(const AC& a) const {return data_ == a.data_;}
+};
+#endif
+
+int main()
+{
+    {
+        typedef std::pair<float, short*> P;
+        P p(3.5f, 0);
+        assert(p.first == 3.5f);
+        assert(p.second == nullptr);
+    }
+    {
+        typedef std::pair<A, int> P;
+        P p(1, 2);
+        assert(p.first == A(1));
+        assert(p.second == 2);
+    }
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<float, short*> P;
+        constexpr P p(3.5f, 0);
+        static_assert(p.first == 3.5f, "");
+        static_assert(p.second == nullptr, "");
+    }
+    {
+        typedef std::pair<AC, int> P;
+        constexpr P p(1, 2);
+        static_assert(p.first == AC(1), "");
+        static_assert(p.second == 2, "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pairs.pair/const_pair_U_V.pass.cpp

@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template <class U, class V> pair(const pair<U, V>& p);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        typedef std::pair<double, long> P2;
+        P1 p1(3, 4);
+        P2 p2 = p1;
+        assert(p2.first == 3);
+        assert(p2.second == 4);
+    }
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<int, short> P1;
+        typedef std::pair<double, long> P2;
+        constexpr P1 p1(3, 4);
+        constexpr P2 p2 = p1;
+        static_assert(p2.first == 3, "");
+        static_assert(p2.second == 4, "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pairs.pair/copy_ctor.pass.cpp

@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// pair(const pair&) = default;
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        P1 p1(3, 4);
+        P1 p2 = p1;
+        assert(p2.first == 3);
+        assert(p2.second == 4);
+    }
+
+    static_assert((std::is_trivially_copy_constructible<std::pair<int, int> >::value), "");
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<int, short> P1;
+        constexpr P1 p1(3, 4);
+        constexpr P1 p2 = p1;
+        static_assert(p2.first == 3, "");
+        static_assert(p2.second == 4, "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pairs.pair/default.pass.cpp

@@ -0,0 +1,36 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// constexpr pair();
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+    typedef std::pair<float, short*> P;
+    P p;
+    assert(p.first == 0.0f);
+    assert(p.second == nullptr);
+    }
+    
+#if _LIBCPP_STD_VER > 11
+    {
+    typedef std::pair<float, short*> P;
+    constexpr P p;
+    static_assert(p.first == 0.0f, "");
+    static_assert(p.second == nullptr, "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pairs.pair/piecewise.pass.cpp

@@ -0,0 +1,35 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template <class... Args1, class... Args2>
+//     pair(piecewise_construct_t, tuple<Args1...> first_args,
+//                                 tuple<Args2...> second_args);
+
+#include <utility>
+#include <tuple>
+#include <cassert>
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_VARIADICS
+    {
+        typedef std::pair<int, int*> P1;
+        typedef std::pair<int*, int> P2;
+        typedef std::pair<P1, P2> P3;
+        P3 p3(std::piecewise_construct, std::tuple<int, int*>(3, nullptr),
+                                        std::tuple<int*, int>(nullptr, 4));
+        assert(p3.first == P1(3, nullptr));
+        assert(p3.second == P2(nullptr, 4));
+    }
+#endif  // _LIBCPP_HAS_NO_VARIADICS
+}

test/std/utilities/utility/pairs/pairs.pair/rv_pair_U_V.pass.cpp

@@ -0,0 +1,42 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template <class U, class V> pair(pair<U, V>&& p);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+struct Base
+{
+    virtual ~Base() {}
+};
+
+struct Derived
+    : public Base
+{
+};
+
+int main()
+{
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<Derived>, short> P1;
+        typedef std::pair<std::unique_ptr<Base>, long> P2;
+        P1 p1(std::unique_ptr<Derived>(), 4);
+        P2 p2 = std::move(p1);
+        assert(p2.first == nullptr);
+        assert(p2.second == 4);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+}

test/std/utilities/utility/pairs/pairs.pair/swap.pass.cpp

@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// void swap(pair& p);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        P1 p1(3, 4);
+        P1 p2(5, 6);
+        p1.swap(p2);
+        assert(p1.first == 5);
+        assert(p1.second == 6);
+        assert(p2.first == 3);
+        assert(p2.second == 4);
+    }
+}

test/std/utilities/utility/pairs/pairs.pair/types.pass.cpp

@@ -0,0 +1,26 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2>
+// struct pair
+// {
+//     typedef T1 first_type;
+//     typedef T2 second_type;
+
+#include <utility>
+#include <type_traits>
+
+int main()
+{
+    typedef std::pair<float, short*> P;
+    static_assert((std::is_same<P::first_type, float>::value), "");
+    static_assert((std::is_same<P::second_type, short*>::value), "");
+}

test/std/utilities/utility/pairs/pairs.spec/comparison.pass.cpp

@@ -0,0 +1,95 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template <class T1, class T2> bool operator==(const pair<T1,T2>&, const pair<T1,T2>&);
+// template <class T1, class T2> bool operator!=(const pair<T1,T2>&, const pair<T1,T2>&);
+// template <class T1, class T2> bool operator< (const pair<T1,T2>&, const pair<T1,T2>&);
+// template <class T1, class T2> bool operator> (const pair<T1,T2>&, const pair<T1,T2>&);
+// template <class T1, class T2> bool operator>=(const pair<T1,T2>&, const pair<T1,T2>&);
+// template <class T1, class T2> bool operator<=(const pair<T1,T2>&, const pair<T1,T2>&);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P;
+        P p1(3, 4);
+        P p2(3, 4);
+        assert( (p1 == p2));
+        assert(!(p1 != p2));
+        assert(!(p1 <  p2));
+        assert( (p1 <= p2));
+        assert(!(p1 >  p2));
+        assert( (p1 >= p2));
+    }
+    {
+        typedef std::pair<int, short> P;
+        P p1(2, 4);
+        P p2(3, 4);
+        assert(!(p1 == p2));
+        assert( (p1 != p2));
+        assert( (p1 <  p2));
+        assert( (p1 <= p2));
+        assert(!(p1 >  p2));
+        assert(!(p1 >= p2));
+    }
+    {
+        typedef std::pair<int, short> P;
+        P p1(3, 2);
+        P p2(3, 4);
+        assert(!(p1 == p2));
+        assert( (p1 != p2));
+        assert( (p1 <  p2));
+        assert( (p1 <= p2));
+        assert(!(p1 >  p2));
+        assert(!(p1 >= p2));
+    }
+    {
+        typedef std::pair<int, short> P;
+        P p1(3, 4);
+        P p2(2, 4);
+        assert(!(p1 == p2));
+        assert( (p1 != p2));
+        assert(!(p1 <  p2));
+        assert(!(p1 <= p2));
+        assert( (p1 >  p2));
+        assert( (p1 >= p2));
+    }
+    {
+        typedef std::pair<int, short> P;
+        P p1(3, 4);
+        P p2(3, 2);
+        assert(!(p1 == p2));
+        assert( (p1 != p2));
+        assert(!(p1 <  p2));
+        assert(!(p1 <= p2));
+        assert( (p1 >  p2));
+        assert( (p1 >= p2));
+    }
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<int, short> P;
+        constexpr P p1(3, 4);
+        constexpr P p2(3, 2);
+        static_assert(!(p1 == p2), "");
+        static_assert( (p1 != p2), "");
+        static_assert(!(p1 <  p2), "");
+        static_assert(!(p1 <= p2), "");
+        static_assert( (p1 >  p2), "");
+        static_assert( (p1 >= p2), "");
+    }
+#endif
+}

test/std/utilities/utility/pairs/pairs.spec/make_pair.pass.cpp

@@ -0,0 +1,51 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
+
+#include <utility>
+#include <memory>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        P1 p1 = std::make_pair(3, 4);
+        assert(p1.first == 3);
+        assert(p1.second == 4);
+    }
+    
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P1;
+        P1 p1 = std::make_pair(std::unique_ptr<int>(new int(3)), 4);
+        assert(*p1.first == 3);
+        assert(p1.second == 4);
+    }
+    {
+        typedef std::pair<std::unique_ptr<int>, short> P1;
+        P1 p1 = std::make_pair(nullptr, 4);
+        assert(p1.first == nullptr);
+        assert(p1.second == 4);
+    }
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+#if _LIBCPP_STD_VER > 11
+    {
+        typedef std::pair<int, short> P1;
+        constexpr P1 p1 = std::make_pair(3, 4);
+        static_assert(p1.first == 3, "");
+        static_assert(p1.second == 4, "");
+    }
+#endif
+
+}

test/std/utilities/utility/pairs/pairs.spec/non_member_swap.pass.cpp

@@ -0,0 +1,31 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template <class T1, class T2> struct pair
+
+// template <class T1, class T2> void swap(pair<T1, T2>& x, pair<T1, T2>& y);
+
+#include <utility>
+#include <cassert>
+
+int main()
+{
+    {
+        typedef std::pair<int, short> P1;
+        P1 p1(3, 4);
+        P1 p2(5, 6);
+        swap(p1, p2);
+        assert(p1.first == 5);
+        assert(p1.second == 6);
+        assert(p2.first == 3);
+        assert(p2.second == 4);
+    }
+}

test/std/utilities/utility/utility.swap/swap.pass.cpp

@@ -0,0 +1,53 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template<class T>
+//   requires MoveAssignable<T> && MoveConstructible<T>
+//   void
+//   swap(T& a, T& b);
+
+#include <utility>
+#include <cassert>
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#include <memory>
+#endif
+
+void
+test()
+{
+    int i = 1;
+    int j = 2;
+    std::swap(i, j);
+    assert(i == 2);
+    assert(j == 1);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+void
+test1()
+{
+    std::unique_ptr<int> i(new int(1));
+    std::unique_ptr<int> j(new int(2));
+    std::swap(i, j);
+    assert(*i == 2);
+    assert(*j == 1);
+}
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+    test();
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    test1();
+#endif
+}

test/std/utilities/utility/utility.swap/swap_array.pass.cpp

@@ -0,0 +1,65 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+// template<ValueType T, size_t N>
+//   requires Swappable<T>
+//   void
+//   swap(T (&a)[N], T (&b)[N]);
+
+#include <utility>
+#include <cassert>
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+#include <memory>
+#endif
+
+void
+test()
+{
+    int i[3] = {1, 2, 3};
+    int j[3] = {4, 5, 6};
+    std::swap(i, j);
+    assert(i[0] == 4);
+    assert(i[1] == 5);
+    assert(i[2] == 6);
+    assert(j[0] == 1);
+    assert(j[1] == 2);
+    assert(j[2] == 3);
+}
+
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+void
+test1()
+{
+    std::unique_ptr<int> i[3];
+    for (int k = 0; k < 3; ++k)
+        i[k].reset(new int(k+1));
+    std::unique_ptr<int> j[3];
+    for (int k = 0; k < 3; ++k)
+        j[k].reset(new int(k+4));
+    std::swap(i, j);
+    assert(*i[0] == 4);
+    assert(*i[1] == 5);
+    assert(*i[2] == 6);
+    assert(*j[0] == 1);
+    assert(*j[1] == 2);
+    assert(*j[2] == 3);
+}
+
+#endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES
+
+int main()
+{
+    test();
+#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
+    test1();
+#endif
+}

test/std/utilities/utility/version.pass.cpp

@@ -0,0 +1,20 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <utility>
+
+#include <utility>
+
+#ifndef _LIBCPP_VERSION
+#error _LIBCPP_VERSION not defined
+#endif
+
+int main()
+{
+}