Fixing whitespace problems

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@111767 91177308-0d34-0410-b5e6-96231b3b80d8

test/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.dtor/null.pass.cpp

@@ -1 +1,44 @@
-//===----------------------------------------------------------------------===//
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <memory>
+
+// unique_ptr
+
+// The deleter is not called if get() == 0
+
+#include <memory>
+#include <cassert>
+
+class Deleter
+{
+    int state_;
+
+    Deleter(Deleter&);
+    Deleter& operator=(Deleter&);
+
+public:
+    Deleter() : state_(0) {}
+
+    int state() const {return state_;}
+
+    void operator()(void*) {++state_;}
+};
+
+int main()
+{
+    Deleter d;
+    assert(d.state() == 0);
+    {
+    std::unique_ptr<int, Deleter&> p(0, d);
+    assert(p.get() == 0);
+    assert(&p.get_deleter() == &d);
+    }
+    assert(d.state() == 0);
+}