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/**
* @file test_refcounted.hpp
* @brief unit tests for the LLCoreInt::RefCounted class
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef TEST_LLCOREINT_REF_COUNTED_H_
#define TEST_LLCOREINT_REF_COUNTED_H_
#include "_refcounted.h"
#include "test_allocator.h"
using namespace LLCoreInt;
namespace tut
{
struct RefCountedTestData
{
// the test objects inherit from this so the member functions and variables
// can be referenced directly inside of the test functions.
size_t mMemTotal;
};
typedef test_group<RefCountedTestData> RefCountedTestGroupType;
typedef RefCountedTestGroupType::object RefCountedTestObjectType;
RefCountedTestGroupType RefCountedTestGroup("RefCounted Tests");
template <> template <>
void RefCountedTestObjectType::test<1>()
{
set_test_name("RefCounted construction with implicit count");
// record the total amount of dynamically allocated memory
mMemTotal = GetMemTotal();
// create a new ref counted object with an implicit reference
RefCounted * rc = new RefCounted(true);
ensure(rc->getRefCount() == 1);
// release the implicit reference, causing the object to be released
rc->release();
// make sure we didn't leak any memory
ensure(mMemTotal == GetMemTotal());
}
template <> template <>
void RefCountedTestObjectType::test<2>()
{
set_test_name("RefCounted construction without implicit count");
// record the total amount of dynamically allocated memory
mMemTotal = GetMemTotal();
// create a new ref counted object with an implicit reference
RefCounted * rc = new RefCounted(false);
ensure(rc->getRefCount() == 0);
// add a reference
rc->addRef();
ensure(rc->getRefCount() == 1);
// release the implicit reference, causing the object to be released
rc->release();
ensure(mMemTotal == GetMemTotal());
}
template <> template <>
void RefCountedTestObjectType::test<3>()
{
set_test_name("RefCounted addRef and release");
// record the total amount of dynamically allocated memory
mMemTotal = GetMemTotal();
RefCounted * rc = new RefCounted(false);
for (int i = 0; i < 1024; ++i)
{
rc->addRef();
}
ensure(rc->getRefCount() == 1024);
for (int i = 0; i < 1024; ++i)
{
rc->release();
}
// make sure we didn't leak any memory
ensure(mMemTotal == GetMemTotal());
}
template <> template <>
void RefCountedTestObjectType::test<4>()
{
set_test_name("RefCounted isLastRef check");
// record the total amount of dynamically allocated memory
mMemTotal = GetMemTotal();
RefCounted * rc = new RefCounted(true);
// with only one reference, isLastRef should be true
ensure(rc->isLastRef());
// release it to clean up memory
rc->release();
// make sure we didn't leak any memory
ensure(mMemTotal == GetMemTotal());
}
template <> template <>
void RefCountedTestObjectType::test<5>()
{
set_test_name("RefCounted noRef check");
// record the total amount of dynamically allocated memory
mMemTotal = GetMemTotal();
RefCounted * rc = new RefCounted(false);
// set the noRef
rc->noRef();
// with only one reference, isLastRef should be true
ensure(rc->getRefCount() == RefCounted::NOT_REF_COUNTED);
// allow this memory leak, but check that we're leaking a known amount
ensure(mMemTotal == (GetMemTotal() - sizeof(RefCounted)));
}
}
#endif // TEST_LLCOREINT_REF_COUNTED_H_
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