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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* Contact: Kyungwook Tak <k.tak@samsung.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*
* @file test_safe-buffer.cpp
* @author Krzysztof Jackiewicz (k.jackiewicz@samsung.com)
* @version
* @brief
*/
#include <vector>
#include <boost/test/unit_test.hpp>
#include <test_common.h>
#include <ckm/ckm-raw-buffer.h>
using namespace CKM;
namespace {
const size_t LEN = 100;
struct Item {
Item(size_t a) : mA(a) {}
~Item() {}
bool operator==(const size_t &other) const
{
return mA == other;
}
size_t mA;
};
template <typename T>
size_t buffer_erase_test()
{
typename T::value_type *data = NULL;
typename T::size_type i = 0;
{
T buffer;
for (i = 0; i < LEN; ++i)
buffer.push_back(typename T::value_type(i));
data = buffer.data();
for (i = 0; i < LEN; ++i)
BOOST_CHECK(data[i] == i);
}
/*
* operator delete of RawBuffer which is called after buffer memory is erased
* (see erase_on_dealloc::deallocate) sometimes leaves garbage in the beginning of that memory.
* Therefore the test will be marked as failing only if more than 1/10 of the data matches
* original
*/
size_t cnt = 0;
for (i = 0; i < LEN; ++i)
cnt += (data[i] == i ? 1 : 0);
return cnt;
}
} // namespace anonymous
BOOST_AUTO_TEST_SUITE(SAFE_BUFFER_TEST)
// Tests for SafeBuffer. Checks if memory occupied by the buffer is wiped after it's deleted.
BOOST_AUTO_TEST_CASE(SafeBufferTest_uc_control_group)
{
size_t cnt = buffer_erase_test<std::vector<unsigned char>>();
BOOST_REQUIRE_MESSAGE(cnt > LEN / 2,
"Less than 1/2 of data matches the original.");
}
BOOST_AUTO_TEST_CASE(SafeBufferTest_item_control_group)
{
size_t cnt = buffer_erase_test<std::vector<Item>>();
BOOST_REQUIRE_MESSAGE(cnt > LEN / 2,
"Less than 1/2 of data matches the original.");
}
BOOST_AUTO_TEST_CASE(SafeBufferTest_uc)
{
size_t cnt = buffer_erase_test<RawBuffer>();
BOOST_REQUIRE_MESSAGE(cnt <= LEN / 10,
"More than 1/10 of data matches the original.");
}
BOOST_AUTO_TEST_CASE(SafeBufferTest_item)
{
size_t cnt = buffer_erase_test<SafeBuffer<Item>::Type>();
BOOST_REQUIRE_MESSAGE(cnt <= LEN / 10,
"More than 1/10 of data matches the original.");
}
BOOST_AUTO_TEST_SUITE_END()
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