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annotate unittests/ADT/IntrusiveRefCntPtrTest.cpp @ 0:95c75e76d11b LLVM3.4

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children 803732b1fca8
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1 //===- unittest/ADT/IntrusiveRefCntPtrTest.cpp ----------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/ADT/IntrusiveRefCntPtr.h"
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11 #include "gtest/gtest.h"
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12
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13 namespace {
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14 struct VirtualRefCounted : public llvm::RefCountedBaseVPTR {
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15 virtual void f() {}
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16 };
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17 }
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18
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19 namespace llvm {
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20
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21 // Run this test with valgrind to detect memory leaks.
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22 TEST(IntrusiveRefCntPtr, RefCountedBaseVPTRCopyDoesNotLeak) {
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23 VirtualRefCounted *V1 = new VirtualRefCounted;
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24 IntrusiveRefCntPtr<VirtualRefCounted> R1 = V1;
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25 VirtualRefCounted *V2 = new VirtualRefCounted(*V1);
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26 IntrusiveRefCntPtr<VirtualRefCounted> R2 = V2;
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27 }
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28
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29 struct SimpleRefCounted : public RefCountedBase<SimpleRefCounted> {};
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30
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31 // Run this test with valgrind to detect memory leaks.
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32 TEST(IntrusiveRefCntPtr, RefCountedBaseCopyDoesNotLeak) {
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33 SimpleRefCounted *S1 = new SimpleRefCounted;
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34 IntrusiveRefCntPtr<SimpleRefCounted> R1 = S1;
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35 SimpleRefCounted *S2 = new SimpleRefCounted(*S1);
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36 IntrusiveRefCntPtr<SimpleRefCounted> R2 = S2;
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37 }
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38
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39 struct InterceptRefCounted : public RefCountedBase<InterceptRefCounted> {
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40 InterceptRefCounted(bool *Released, bool *Retained)
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41 : Released(Released), Retained(Retained) {}
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42 bool * const Released;
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43 bool * const Retained;
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44 };
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45 template <> struct IntrusiveRefCntPtrInfo<InterceptRefCounted> {
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46 static void retain(InterceptRefCounted *I) {
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47 *I->Retained = true;
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48 I->Retain();
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49 }
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50 static void release(InterceptRefCounted *I) {
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51 *I->Released = true;
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52 I->Release();
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53 }
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54 };
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55 TEST(IntrusiveRefCntPtr, UsesTraitsToRetainAndRelease) {
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56 bool Released = false;
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57 bool Retained = false;
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58 {
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59 InterceptRefCounted *I = new InterceptRefCounted(&Released, &Retained);
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60 IntrusiveRefCntPtr<InterceptRefCounted> R = I;
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61 }
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62 EXPECT_TRUE(Released);
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63 EXPECT_TRUE(Retained);
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64 }
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65
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66 } // end namespace llvm