1 // Copyright (c) 2011 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 "base/memory/ref_counted.h" 6 #include "testing/gtest/include/gtest/gtest.h" 7 8 namespace { 9 10 class SelfAssign : public base::RefCounted<SelfAssign> { 11 friend class base::RefCounted<SelfAssign>; 12 ~SelfAssign()13 ~SelfAssign() {} 14 }; 15 16 class CheckDerivedMemberAccess : public scoped_refptr<SelfAssign> { 17 public: CheckDerivedMemberAccess()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 TEST(RefCountedUnitTest,TestSelfAssignment)27TEST(RefCountedUnitTest, TestSelfAssignment) { 28 SelfAssign* p = new SelfAssign; 29 scoped_refptr<SelfAssign> var(p); 30 var = var; 31 EXPECT_EQ(var.get(), p); 32 } 33 TEST(RefCountedUnitTest,ScopedRefPtrMemberAccess)34TEST(RefCountedUnitTest, ScopedRefPtrMemberAccess) { 35 CheckDerivedMemberAccess check; 36 } 37