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/*
* Copyright (c) 2015, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <unistd.h>
#include "gtest/gtest.h"
#include "utils/macro.h"
#include "utils/bitstream.h"
namespace test {
namespace components {
namespace utils {
using ::utils::BitStream;
TEST(BitstreamTest, CreateBitstream_WithDataWithDatasize_BitStreamIsGood) {
// arrange
uint8_t data = 10;
size_t bits = 2;
BitStream bs(&data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(
BitstreamTest,
ExtractBitstreamInUint8_ExtractAllData_BitStreamIsGoodDataExtractedCorrectly) {
// arrange
uint8_t data = 10;
size_t bits = 2;
BitStream bs(&data, bits);
uint8_t extract_data = 0;
Extract(&bs, &extract_data);
// assert
EXPECT_TRUE(bs.IsGood());
EXPECT_EQ(data, extract_data);
}
TEST(BitstreamTest,
ExtractBitstreamInUint8_WithDataWithZeroSize_BitStreamIsBad) {
// arrange
uint8_t data = 10;
size_t bits = 0;
BitStream bs(&data, bits);
uint8_t extract_data = 0;
Extract(&bs, &extract_data);
// assert
EXPECT_TRUE(bs.IsBad());
}
TEST(
BitstreamTest,
ExtractBitstreamInUint32_WithDatasizeEq4_BitStreamIsGoodDataExtractedCorrectly) {
// arrange
uint8_t data = 10;
size_t bits = 4;
BitStream bs(&data, bits);
uint32_t extract_data = 0;
Extract(&bs, &extract_data);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest, ExtractBitstreamInUint32_DatasizeLess4_BitStreamIsBad) {
// arrange
uint8_t data = 10;
size_t bits = 3;
BitStream bs(&data, bits);
uint32_t extract_data = 0;
Extract(&bs, &extract_data);
// assert
EXPECT_TRUE(bs.IsBad());
}
TEST(BitstreamTest, ExtractFullBitstream_WithDataWithDatasize_BitStreamIsGood) {
// arrange
uint8_t data = 10;
size_t bits = 8;
BitStream bs(&data, bits);
uint8_t extract_data = 0;
Extract(&bs, &extract_data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
EXPECT_EQ(data, extract_data);
}
TEST(BitstreamTest,
ExtractBitstreamInString_WithDataWithDatasize_BitStreamIsGood) {
// arrange
uint8_t data = 10;
size_t bits = 2;
BitStream bs(&data, bits);
std::string strdata = "";
size_t length = strdata.length();
Extract(&bs, &strdata, length);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest, CreateBitstream_NoDataZeroDatasize_BitStreamIsGood) {
// arrange
uint8_t* data = NULL;
size_t bits = 0;
BitStream bs(data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest,
CreateBitstream_NoDataWithUpperboundDataSize_BitStreamIsGood) {
// arrange
uint8_t* data = NULL;
size_t bits = 65535;
BitStream bs(data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest,
CreateBitstream_WithUpperboundDataWithLessDataSize_BitStreamIsGood) {
// arrange
uint8_t data = 255;
size_t bits = sizeof(char);
BitStream bs(&data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest,
ExtractBitstream_WithUpperboundDataWithLessDataSize_BitStreamIsGood) {
// arrange
uint8_t data = 255;
size_t bits = sizeof(char);
BitStream bs(&data, bits);
uint8_t extract_data = 0;
Extract(&bs, &extract_data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest,
ExtractBitstream_WithUpperboundDataWithZeroDataSize_BitStreamIsGood) {
// arrange
uint8_t data = 255;
size_t bits = 0;
BitStream bs(&data, bits);
uint8_t extract_data = 0;
Extract(&bs, &extract_data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
}
TEST(BitstreamTest, ExtractBitstream_WithDataMarkedBad_ExpectIsBad) {
// arrange
uint8_t data = 255;
size_t bits = sizeof(int);
BitStream bs(&data, bits);
// assert
EXPECT_TRUE(bs.IsGood());
// act
bs.MarkBad();
// assert
EXPECT_TRUE(bs.IsBad());
// act
Extract(&bs, &data, bits);
// arrange
EXPECT_TRUE(bs.IsBad());
}
} // namespace utils
} // namespace components
} // namespace test
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