1 // Copyright 2016 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 #ifndef FIELDS_ILLEGAL_TRACING_H_
6 #define FIELDS_ILLEGAL_TRACING_H_
7 
8 #include "heap/stubs.h"
9 
10 namespace blink {
11 
12 namespace bar {
13 
14 // check that (only) std::unique_ptr<> is reported
15 // as an illegal smart pointer type.
16 template<typename T> class unique_ptr {
17 public:
~unique_ptr()18     ~unique_ptr() { }
19     operator T*() const { return 0; }
20     T* operator->() { return 0; }
21 
Trace(Visitor * visitor)22     void Trace(Visitor* visitor)
23     {
24     }
25 };
26 
27 }
28 
29 class HeapObject;
30 class PartObject;
31 
32 class PartObject {
33     DISALLOW_NEW();
34 public:
35     void Trace(Visitor*);
36 private:
37     RefPtr<HeapObject> m_obj2;
38     bar::unique_ptr<HeapObject> m_obj3;
39     std::unique_ptr<HeapObject> m_obj4;
40     Vector<int>::iterator m_iterator1;
41     HeapVector<Member<HeapObject>>::iterator m_iterator2;
42     HeapHashSet<PartObject>::const_iterator m_iterator3;
43 };
44 
45 class HeapObject : public GarbageCollectedFinalized<HeapObject> {
46 public:
47     void Trace(Visitor*);
48 private:
49     PartObject m_part;
50     RefPtr<HeapObject> m_obj2;
51     bar::unique_ptr<HeapObject> m_obj3;
52     std::unique_ptr<HeapObject> m_obj4;
53     HeapHashMap<int, Member<HeapObject>>::reverse_iterator m_iterator3;
54     HeapDeque<Member<HeapObject>>::const_reverse_iterator m_iterator4;
55     HeapListHashSet<Member<HeapObject>>::const_iterator m_iterator5;
56     HeapLinkedHashSet<Member<HeapObject>>::const_iterator m_iterator6;
57 };
58 
59 }
60 
61 #endif
62