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Unified Diff: tools/clang/blink_gc_plugin/tests/cycle_ptrs.h

Issue 1385193002: Bisect clang Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: 246985 Created 5 years, 2 months ago
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Index: tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
diff --git a/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h b/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
new file mode 100644
index 0000000000000000000000000000000000000000..8c07a063b82324aa36a495055bb0c0769606fc25
--- /dev/null
+++ b/tools/clang/blink_gc_plugin/tests/cycle_ptrs.h
@@ -0,0 +1,54 @@
+// Copyright 2014 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.
+
+#ifndef CYCLE_PTRS_H_
+#define CYCLE_PTRS_H_
+
+#include "heap/stubs.h"
+
+namespace blink {
+
+class B;
+class C;
+class D;
+class E;
+
+// This contains a leaking cycle:
+// E -per-> A -mem-> B -ref-> C -own-> D -own-vec-> E
+
+// The traced cycle from A -> B -> A does not leak.
+
+class A : public GarbageCollected<A> {
+public:
+ virtual void trace(Visitor*);
+private:
+ Member<B> m_b;
+};
+
+class B : public GarbageCollectedFinalized<B> {
+public:
+ virtual void trace(Visitor*);
+private:
+ Member<A> m_a;
+ RefPtr<C> m_c;
+};
+
+class C : public RefCounted<C> {
+private:
+ OwnPtr<D> m_d;
+};
+
+class D {
+private:
+ Vector<OwnPtr<E> > m_es;
+};
+
+class E {
+private:
+ Persistent<A> m_a;
+};
+
+}
+
+#endif
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