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/memory/specialized.algorithms/uninitialized.fill.n/uninitialized_fill_n.pass.cpp

@@ -0,0 +1,50 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// template <class ForwardIterator, class Size, class T>
+//   ForwardIterator
+//   uninitialized_fill_n(ForwardIterator first, Size n, const T& x);
+
+#include <memory>
+#include <cassert>
+
+struct B
+{
+    static int count_;
+    int data_;
+    explicit B() : data_(1) {}
+    B(const B& b) {if (++count_ == 3) throw 1; data_ = b.data_;}
+    ~B() {data_ = 0;}
+};
+
+int B::count_ = 0;
+
+int main()
+{
+    const int N = 5;
+    char pool[sizeof(B)*N] = {0};
+    B* bp = (B*)pool;
+    try
+    {
+        std::uninitialized_fill_n(bp, 5, B());
+        assert(false);
+    }
+    catch (...)
+    {
+        for (int i = 0; i < N; ++i)
+            assert(bp[i].data_ == 0);
+    }
+    B::count_ = 0;
+    B* r = std::uninitialized_fill_n(bp, 2, B());
+    assert(r == bp + 2);
+    for (int i = 0; i < 2; ++i)
+        assert(bp[i].data_ == 1);
+}