base/ref_counted_unittest.cc

   1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "testing/gtest/include/gtest/gtest.h"
   6 #include "base/ref_counted.h"
   7
   8 namespace {
   9
  10 class SelfAssign : public base::RefCounted<SelfAssign> {
  11   friend class base::RefCounted<SelfAssign>;
  12
  13   ~SelfAssign() {}
  14 };
  15
  16 class CheckDerivedMemberAccess : public scoped_refptr<SelfAssign> {
  17  public:
  18   CheckDerivedMemberAccess() {
  19     // This shouldn't compile if we don't have access to the member variable.
  20     SelfAssign** pptr = &ptr_;
  21     EXPECT_EQ(*pptr, ptr_);
  22   }
  23 };
  24
  25 }  // end namespace
  26
  27 TEST(RefCountedUnitTest, TestSelfAssignment) {
  28   SelfAssign* p = new SelfAssign;
  29   scoped_refptr<SelfAssign> var = p;
  30   var = var;
  31   EXPECT_EQ(var.get(), p);
  32 }
  33
  34 TEST(RefCountedUnitTest, ScopedRefPtrMemberAccess) {
  35   CheckDerivedMemberAccess check;
  36 }