Make sure that scoped_ptr<> cannot be used with ref-counted objects.

base/memory/scoped_ptr_unittest.nc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/ref_counted.h"
 
 namespace {
 
 class Parent {
 };
 
 class Child : public Parent {
 };
 
+class RefCountedClass : public base::RefCountedThreadSafe<RefCountedClass> {
+};
+
 }  // namespace
 
 #if defined(NCTEST_NO_PASSAS_DOWNCAST)  // [r"invalid conversion from"]
 
 scoped_ptr<Child> DowncastUsingPassAs(scoped_ptr<Parent> object) {
   return object.PassAs<Child>();
 }
 
+#elif defined(NCTEST_NO_REF_COUNTED_SCOPED_PTR)  // [r"creating array with negative size"]

[brettw, 2012/04/04 21:31:06]

Is it possible to wrap this somehow to 80 cols? I don't know if this string is
used by some tool. If it's not possible, it's OK.

[Sergey Ulanov, 2012/04/04 22:28:38]

Don't think it is possible right now - all other no-compile tests have this.

+
+// scoped_ptr<> should not work for ref-counted objects.
+void WontCompile() {
+  scoped_ptr<RefCountedClass> x;
+}
+
 #endif