forked from OSchip/llvm-project
67 lines
2.0 KiB
C++
67 lines
2.0 KiB
C++
//===- unittest/ADT/IntrusiveRefCntPtrTest.cpp ----------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/ADT/IntrusiveRefCntPtr.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
namespace {
|
|
struct VirtualRefCounted : public llvm::RefCountedBaseVPTR {
|
|
virtual void f() {}
|
|
};
|
|
}
|
|
|
|
namespace llvm {
|
|
|
|
// Run this test with valgrind to detect memory leaks.
|
|
TEST(IntrusiveRefCntPtr, RefCountedBaseVPTRCopyDoesNotLeak) {
|
|
VirtualRefCounted *V1 = new VirtualRefCounted;
|
|
IntrusiveRefCntPtr<VirtualRefCounted> R1 = V1;
|
|
VirtualRefCounted *V2 = new VirtualRefCounted(*V1);
|
|
IntrusiveRefCntPtr<VirtualRefCounted> R2 = V2;
|
|
}
|
|
|
|
struct SimpleRefCounted : public RefCountedBase<SimpleRefCounted> {};
|
|
|
|
// Run this test with valgrind to detect memory leaks.
|
|
TEST(IntrusiveRefCntPtr, RefCountedBaseCopyDoesNotLeak) {
|
|
SimpleRefCounted *S1 = new SimpleRefCounted;
|
|
IntrusiveRefCntPtr<SimpleRefCounted> R1 = S1;
|
|
SimpleRefCounted *S2 = new SimpleRefCounted(*S1);
|
|
IntrusiveRefCntPtr<SimpleRefCounted> R2 = S2;
|
|
}
|
|
|
|
struct InterceptRefCounted : public RefCountedBase<InterceptRefCounted> {
|
|
InterceptRefCounted(bool *Released, bool *Retained)
|
|
: Released(Released), Retained(Retained) {}
|
|
bool * const Released;
|
|
bool * const Retained;
|
|
};
|
|
template <> struct IntrusiveRefCntPtrInfo<InterceptRefCounted> {
|
|
static void retain(InterceptRefCounted *I) {
|
|
*I->Retained = true;
|
|
I->Retain();
|
|
}
|
|
static void release(InterceptRefCounted *I) {
|
|
*I->Released = true;
|
|
I->Release();
|
|
}
|
|
};
|
|
TEST(IntrusiveRefCntPtr, UsesTraitsToRetainAndRelease) {
|
|
bool Released = false;
|
|
bool Retained = false;
|
|
{
|
|
InterceptRefCounted *I = new InterceptRefCounted(&Released, &Retained);
|
|
IntrusiveRefCntPtr<InterceptRefCounted> R = I;
|
|
}
|
|
EXPECT_TRUE(Released);
|
|
EXPECT_TRUE(Retained);
|
|
}
|
|
|
|
} // end namespace llvm
|