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Remove old C decoding functions and fix tests

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Ted John
2017-10-21 15:05:10 +01:00
committed by Michael Steenbeek
parent 8d1710d798
commit a737848e8e
4 changed files with 31 additions and 100 deletions
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49
test/tests/sawyercoding_test.cpp
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@@ -1,11 +1,9 @@
// Make MSVC shut up about M_PI
#include <cmath>
#include "openrct2/util/sawyercoding.h"
#include <gtest/gtest.h>
#include <openrct2/core/MemoryStream.h>
#include <openrct2/rct12/SawyerChunkReader.h>
#include <openrct2/util/sawyercoding.h>
#define BUFFER_SIZE 0x600000
constexpr size_t BUFFER_SIZE = 0x600000;
class SawyerCodingTest : public testing::Test
{
@@ -18,36 +16,39 @@ protected:
void test_encode_decode(uint8 encoding_type)
{
sawyercoding_chunk_header chdr_in, chdr_out;
// Encode
sawyercoding_chunk_header chdr_in;
chdr_in.encoding = encoding_type;
chdr_in.length = sizeof(randomdata);
uint8 * encodedDataBuffer = new uint8[BUFFER_SIZE];
size_t encodedDataSize = sawyercoding_write_chunk_buffer(encodedDataBuffer, (const uint8 *)randomdata, chdr_in);
ASSERT_GT(encodedDataSize, sizeof(sawyercoding_chunk_header));
memcpy(&chdr_out, encodedDataBuffer, sizeof(sawyercoding_chunk_header));
ASSERT_EQ(chdr_out.encoding, encoding_type);
uint8 * decodeBuffer = new uint8[BUFFER_SIZE];
size_t decodedDataSize = sawyercoding_read_chunk_buffer(
decodeBuffer, encodedDataBuffer + sizeof(sawyercoding_chunk_header), chdr_out, BUFFER_SIZE);
ASSERT_EQ(decodedDataSize, sizeof(randomdata));
int result = memcmp(decodeBuffer, randomdata, sizeof(randomdata));
// Decode
MemoryStream ms(encodedDataBuffer, encodedDataSize);
SawyerChunkReader reader(&ms);
auto chunk = reader.ReadChunk();
ASSERT_EQ((uint8)chunk->GetEncoding(), chdr_in.encoding);
ASSERT_EQ(chunk->GetLength(), chdr_in.length);
auto result = memcmp(chunk->GetData(), randomdata, sizeof(randomdata));
ASSERT_EQ(result, 0);
delete[] decodeBuffer;
delete[] encodedDataBuffer;
}
void test_decode(const uint8 * data, size_t size)
{
sawyercoding_chunk_header chdr_in;
memcpy(&chdr_in, data, sizeof(sawyercoding_chunk_header));
ASSERT_EQ(chdr_in.length, size - sizeof(sawyercoding_chunk_header));
uint8 * decodeBuffer = new uint8[BUFFER_SIZE];
size_t decodedDataSize =
sawyercoding_read_chunk_buffer(decodeBuffer, data + sizeof(sawyercoding_chunk_header), chdr_in, BUFFER_SIZE);
ASSERT_EQ(decodedDataSize, sizeof(randomdata));
int result = memcmp(decodeBuffer, randomdata, sizeof(randomdata));
auto expectedLength = size - sizeof(sawyercoding_chunk_header);
auto chdr_in = reinterpret_cast<const sawyercoding_chunk_header *>(data);
ASSERT_EQ(chdr_in->length, expectedLength);
MemoryStream ms(data, size);
SawyerChunkReader reader(&ms);
auto chunk = reader.ReadChunk();
ASSERT_EQ((uint8)chunk->GetEncoding(), chdr_in->encoding);
ASSERT_EQ(chunk->GetLength(), sizeof(randomdata));
auto result = memcmp(chunk->GetData(), randomdata, sizeof(randomdata));
ASSERT_EQ(result, 0);
delete[] decodeBuffer;
}
};