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added endianness support

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fraillt
2017-07-24 16:08:33 +03:00
parent 014b072b96
commit 4ad65f8384
28 changed files with 1081 additions and 669 deletions
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78
tests/buffer_bits_op.cpp
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@@ -24,13 +24,13 @@
#include <gmock/gmock.h>
#include <bitsery/buffer_writer.h>
#include <bitsery/buffer_reader.h>
#include <list>
#include <bitset>
#include <bitsery/details/serialization_common.h>
using testing::Eq;
using testing::ContainerEq;
using bitsery::BufferWriter;
using bitsery::BufferReader;
using Buffer = std::vector<bitsery::DefaultConfig::BufferValueType>;
struct IntegralUnsignedTypes {
uint32_t a;
@@ -40,23 +40,29 @@ struct IntegralUnsignedTypes {
uint64_t e;
};
template <typename T>
constexpr size_t getBits(T v) {
return bitsery::details::calcRequiredBits<T>({}, v);
};
TEST(BufferBitsOperations, WriteAndReadBits) {
//setup data
IntegralUnsignedTypes data;
data.a = 485454;//bits 19
data.b = 45978;//bits 16
data.c = 0;//bits 1
data.d = 36;//bits 6
data.e = 479845648946;//bits 39
constexpr IntegralUnsignedTypes data{
485454,//bits 19
45978,//bits 16
0,//bits 1
36,//bits 6
479845648946//bits 39
};
constexpr size_t aBITS = 21;
constexpr size_t bBITS = 16;
constexpr size_t cBITS = 5;
constexpr size_t dBITS = 7;
constexpr size_t eBITS = 40;
constexpr size_t aBITS = getBits(data.a) + 2;
constexpr size_t bBITS = getBits(data.b) + 0;
constexpr size_t cBITS = getBits(data.c) + 2;
constexpr size_t dBITS = getBits(data.d) + 1;
constexpr size_t eBITS = getBits(data.e) + 8;
//create and write to buffer
std::vector<uint8_t> buf;
Buffer buf;
BufferWriter bw{buf};
bw.writeBits(data.a, aBITS);
@@ -87,7 +93,7 @@ TEST(BufferBitsOperations, WriteAndReadBits) {
TEST(BufferBitsOperations, WhenFinishedFlushWriter) {
std::vector<uint8_t> buf;
Buffer buf;
BufferWriter bw{buf};
bw.writeBits(3u, 2);
@@ -101,7 +107,7 @@ TEST(BufferBitsOperations, BufferSizeIsCountedPerByteNotPerBit) {
//setup data
//create and write to buffer
std::vector<uint8_t> buf;
Buffer buf;
BufferWriter bw{buf};
bw.writeBits(7u,3);
@@ -110,7 +116,7 @@ TEST(BufferBitsOperations, BufferSizeIsCountedPerByteNotPerBit) {
//read from buffer
BufferReader br{buf};
unsigned tmp;
uint16_t tmp;
EXPECT_THAT(br.readBits(tmp,4), Eq(true));
EXPECT_THAT(br.readBits(tmp,2), Eq(true));
EXPECT_THAT(br.readBits(tmp,2), Eq(true));
@@ -126,11 +132,44 @@ TEST(BufferBitsOperations, BufferSizeIsCountedPerByteNotPerBit) {
EXPECT_THAT(br2.readBits(tmp,9), Eq(false));
}
TEST(BufferBitsOperations, ConsecutiveCallsToAlignHasNoEffect) {
Buffer buf;
BufferWriter bw{buf};
bw.writeBits(3u, 2);
//3 calls to align after 1st data
bw.align();
bw.align();
bw.align();
bw.writeBits(7u, 3);
//1 call to align after 2nd data
bw.align();
bw.writeBits(15u, 4);
bw.flush();
unsigned char tmp;
BufferReader br{buf};
EXPECT_THAT(br.readBits(tmp,2), Eq(true));
EXPECT_THAT(tmp, Eq(3u));
EXPECT_THAT(br.align(), Eq(true));
EXPECT_THAT(br.readBits(tmp,3), Eq(true));
EXPECT_THAT(tmp, Eq(7u));
EXPECT_THAT(br.align(), Eq(true));
EXPECT_THAT(br.align(), Eq(true));
EXPECT_THAT(br.align(), Eq(true));
EXPECT_THAT(br.readBits(tmp,4), Eq(true));
EXPECT_THAT(tmp, Eq(15u));
}
TEST(BufferBitsOperations, WhenAlignedFlushHasNoEffect) {
//setup data
//create and write to buffer
std::vector<uint8_t> buf;
Buffer buf;
BufferWriter bw{buf};
bw.writeBits(3u, 2);
@@ -140,11 +179,12 @@ TEST(BufferBitsOperations, WhenAlignedFlushHasNoEffect) {
EXPECT_THAT(std::distance(buf.begin(), buf.end()), Eq(1));
}
TEST(BufferBitsOperations, AlignMustWriteZerosBits) {
//setup data
//create and write to buffer
std::vector<uint8_t> buf;
Buffer buf;
BufferWriter bw{buf};
//write 2 bits and align