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/containers/container.adaptors/stack/stack.special/swap.pass.cpp

@@ -0,0 +1,37 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <stack>
+
+// template <class T, class Container>
+//   void swap(stack<T, Container>& x, stack<T, Container>& y);
+
+#include <stack>
+#include <cassert>
+
+template <class C>
+C
+make(int n)
+{
+    C c;
+    for (int i = 0; i < n; ++i)
+        c.push(i);
+    return c;
+}
+
+int main()
+{
+    std::stack<int> q1 = make<std::stack<int> >(5);
+    std::stack<int> q2 = make<std::stack<int> >(10);
+    std::stack<int> q1_save = q1;
+    std::stack<int> q2_save = q2;
+    swap(q1, q2);
+    assert(q1 == q2_save);
+    assert(q2 == q1_save);
+}

test/std/containers/container.adaptors/stack/stack.special/swap_noexcept.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <stack>
+
+// void swap(stack& c)
+//     noexcept(__is_nothrow_swappable<container_type>::value);
+
+// This tests a conforming extension
+
+#include <stack>
+#include <cassert>
+
+#include "../../../MoveOnly.h"
+
+int main()
+{
+#if __has_feature(cxx_noexcept)
+    {
+        typedef std::stack<MoveOnly> C;
+        C c1, c2;
+        static_assert(noexcept(swap(c1, c2)), "");
+    }
+#endif
+}