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/priority.queue/priqueue.members/swap.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.
+//
+//===----------------------------------------------------------------------===//
+
+// <queue>
+
+// priority_queue();
+
+// void swap(priority_queue& q);
+
+#include <queue>
+#include <cassert>
+
+int main()
+{
+    std::priority_queue<int> q1;
+    std::priority_queue<int> q2;
+    q1.push(1);
+    q1.push(3);
+    q1.push(2);
+    q1.swap(q2);
+    assert(q1.empty());
+    assert(q2.size() == 3);
+    assert(q2.top() == 3);
+}