1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/webrtc/trunk/tools/clang/plugins/tests/base_refcounted.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,121 @@
1.4 +// Copyright (c) 2012 The Chromium Authors. All rights reserved.
1.5 +// Use of this source code is governed by a BSD-style license that can be
1.6 +// found in the LICENSE file.
1.7 +
1.8 +#ifndef BASE_REFCOUNTED_H_
1.9 +#define BASE_REFCOUNTED_H_
1.10 +
1.11 +namespace base {
1.12 +
1.13 +template <typename T>
1.14 +class RefCounted {
1.15 + public:
1.16 + RefCounted() {}
1.17 + ~RefCounted() {}
1.18 +};
1.19 +
1.20 +template <typename T>
1.21 +class RefCountedThreadSafe {
1.22 + public:
1.23 + RefCountedThreadSafe() {}
1.24 + ~RefCountedThreadSafe() {}
1.25 +};
1.26 +
1.27 +} // namespace base
1.28 +
1.29 +// Ignore classes whose inheritance tree ends in WebKit's RefCounted base
1.30 +// class. Though prone to error, this pattern is very prevalent in WebKit
1.31 +// code, so do not issue any warnings.
1.32 +namespace WebKit {
1.33 +
1.34 +template <typename T>
1.35 +class RefCounted {
1.36 + public:
1.37 + RefCounted() {}
1.38 + ~RefCounted() {}
1.39 +};
1.40 +
1.41 +} // namespace WebKit
1.42 +
1.43 +// Unsafe; should error.
1.44 +class PublicRefCountedDtorInHeader
1.45 + : public base::RefCounted<PublicRefCountedDtorInHeader> {
1.46 + public:
1.47 + PublicRefCountedDtorInHeader() {}
1.48 + ~PublicRefCountedDtorInHeader() {}
1.49 +
1.50 + private:
1.51 + friend class base::RefCounted<PublicRefCountedDtorInHeader>;
1.52 +};
1.53 +
1.54 +// Unsafe; should error.
1.55 +class PublicRefCountedThreadSafeDtorInHeader
1.56 + : public base::RefCountedThreadSafe<
1.57 + PublicRefCountedThreadSafeDtorInHeader> {
1.58 + public:
1.59 + PublicRefCountedThreadSafeDtorInHeader() {}
1.60 + ~PublicRefCountedThreadSafeDtorInHeader() {}
1.61 +
1.62 + private:
1.63 + friend class base::RefCountedThreadSafe<
1.64 + PublicRefCountedThreadSafeDtorInHeader>;
1.65 +};
1.66 +
1.67 +// Safe; should not have errors.
1.68 +class ProtectedRefCountedDtorInHeader
1.69 + : public base::RefCounted<ProtectedRefCountedDtorInHeader> {
1.70 + public:
1.71 + ProtectedRefCountedDtorInHeader() {}
1.72 +
1.73 + protected:
1.74 + ~ProtectedRefCountedDtorInHeader() {}
1.75 +
1.76 + private:
1.77 + friend class base::RefCounted<ProtectedRefCountedDtorInHeader>;
1.78 +};
1.79 +
1.80 +// Safe; should not have errors.
1.81 +class PrivateRefCountedDtorInHeader
1.82 + : public base::RefCounted<PrivateRefCountedDtorInHeader> {
1.83 + public:
1.84 + PrivateRefCountedDtorInHeader() {}
1.85 +
1.86 + private:
1.87 + ~PrivateRefCountedDtorInHeader() {}
1.88 + friend class base::RefCounted<PrivateRefCountedDtorInHeader>;
1.89 +};
1.90 +
1.91 +// Unsafe; A grandchild class ends up exposing their parent and grandparent's
1.92 +// destructors.
1.93 +class DerivedProtectedToPublicInHeader
1.94 + : public ProtectedRefCountedDtorInHeader {
1.95 + public:
1.96 + DerivedProtectedToPublicInHeader() {}
1.97 + ~DerivedProtectedToPublicInHeader() {}
1.98 +};
1.99 +
1.100 +// Unsafe; A grandchild ends up implicitly exposing their parent and
1.101 +// grantparent's destructors.
1.102 +class ImplicitDerivedProtectedToPublicInHeader
1.103 + : public ProtectedRefCountedDtorInHeader {
1.104 + public:
1.105 + ImplicitDerivedProtectedToPublicInHeader() {}
1.106 +};
1.107 +
1.108 +// Unsafe-but-ignored; should not have errors.
1.109 +class WebKitPublicDtorInHeader
1.110 + : public WebKit::RefCounted<WebKitPublicDtorInHeader> {
1.111 + public:
1.112 + WebKitPublicDtorInHeader() {}
1.113 + ~WebKitPublicDtorInHeader() {}
1.114 +};
1.115 +
1.116 +// Unsafe-but-ignored; should not have errors.
1.117 +class WebKitDerivedPublicDtorInHeader
1.118 + : public WebKitPublicDtorInHeader {
1.119 + public:
1.120 + WebKitDerivedPublicDtorInHeader() {}
1.121 + ~WebKitDerivedPublicDtorInHeader() {}
1.122 +};
1.123 +
1.124 +#endif // BASE_REFCOUNTED_H_
