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//===- 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 llvm {
namespace {
struct SimpleRefCounted : public RefCountedBase<SimpleRefCounted> {
SimpleRefCounted() { ++NumInstances; }
SimpleRefCounted(const SimpleRefCounted &) : RefCountedBase() {
++NumInstances;
}
~SimpleRefCounted() { --NumInstances; }
static int NumInstances;
};
int SimpleRefCounted::NumInstances = 0;
} // anonymous namespace
TEST(IntrusiveRefCntPtr, RefCountedBaseCopyDoesNotLeak) {
EXPECT_EQ(0, SimpleRefCounted::NumInstances);
{
SimpleRefCounted *S1 = new SimpleRefCounted;
IntrusiveRefCntPtr<SimpleRefCounted> R1 = S1;
SimpleRefCounted *S2 = new SimpleRefCounted(*S1);
IntrusiveRefCntPtr<SimpleRefCounted> R2 = S2;
EXPECT_EQ(2, SimpleRefCounted::NumInstances);
}
EXPECT_EQ(0, SimpleRefCounted::NumInstances);
}
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
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