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added -growable- function

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fraillt
2017-09-08 16:22:54 +03:00
parent cba80774e4
commit 2f8ae0075c
38 changed files with 1723 additions and 1264 deletions
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107
tests/buffer_operations.cpp
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@@ -109,19 +109,24 @@ TEST(BufferBitsAndBytesOperations, BufferSizeIsCountedPerByteNotPerBit) {
//read from buffer
BufferReader br{range};
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));
EXPECT_THAT(br.readBits(tmp,2), Eq(false));
br.readBits(tmp,4);
br.readBits(tmp,2);
br.readBits(tmp,2);
EXPECT_THAT(br.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
br.readBits(tmp,2);
EXPECT_THAT(br.getError(), Eq(bitsery::BufferReaderError::BUFFER_OVERFLOW));//false
//part of next byte
BufferReader br1{range};
EXPECT_THAT(br1.readBits(tmp,2), Eq(true));
EXPECT_THAT(br1.readBits(tmp,7), Eq(false));
br1.readBits(tmp,2);
EXPECT_THAT(br1.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
br1.readBits(tmp,7);
EXPECT_THAT(br1.getError(), Eq(bitsery::BufferReaderError::BUFFER_OVERFLOW));//false
//bigger than byte
BufferReader br2{range};
EXPECT_THAT(br2.readBits(tmp,9), Eq(false));
br2.readBits(tmp,9);
EXPECT_THAT(br2.getError(), Eq(bitsery::BufferReaderError::BUFFER_OVERFLOW));//false
}
TEST(BufferBitsAndBytesOperations, ConsecutiveCallsToAlignHasNoEffect) {
@@ -141,18 +146,20 @@ TEST(BufferBitsAndBytesOperations, ConsecutiveCallsToAlignHasNoEffect) {
unsigned char tmp;
BufferReader br{bw.getWrittenRange()};
EXPECT_THAT(br.readBits(tmp,2), Eq(true));
br.readBits(tmp,2);
EXPECT_THAT(tmp, Eq(3u));
EXPECT_THAT(br.align(), Eq(true));
EXPECT_THAT(br.readBits(tmp,3), Eq(true));
br.align();
EXPECT_THAT(br.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
br.readBits(tmp,3);
br.align();
br.align();
br.align();
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.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
EXPECT_THAT(br.readBits(tmp,4), Eq(true));
br.readBits(tmp,4);
EXPECT_THAT(tmp, Eq(15u));
EXPECT_THAT(br.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
}
TEST(BufferBitsAndBytesOperations, AlignWritesZerosBits) {
@@ -166,18 +173,20 @@ TEST(BufferBitsAndBytesOperations, AlignWritesZerosBits) {
bw.writeBits(3u, 2);
bw.align();
bw.flush();
auto range = bw.getWrittenRange();
EXPECT_THAT(std::distance(range.begin(), range.end()), Eq(1));
unsigned char tmp;
BufferReader br1{bw.getWrittenRange()};
BufferReader br1{range};
br1.readBits(tmp,2);
//read aligned bits
EXPECT_THAT(br1.readBits(tmp,6), Eq(true));
br1.readBits(tmp,6);
EXPECT_THAT(tmp, Eq(0));
BufferReader br2{bw.getWrittenRange()};
BufferReader br2{range};
//read 2 bits
br2.readBits(tmp,2);
EXPECT_THAT(br2.align(), Eq(true));
br2.align();
EXPECT_THAT(br2.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
}
@@ -219,12 +228,13 @@ TEST(BufferBitsAndBytesOperations, WriteAndReadBytes) {
//read from buffer
BufferReader br{range};
IntegralTypes res{};
EXPECT_THAT(br.readBytes<4>(res.b), Eq(true));
EXPECT_THAT(br.readBytes<2>(res.c), Eq(true));
EXPECT_THAT(br.readBytes<1>(res.d), Eq(true));
EXPECT_THAT(br.readBytes<8>(res.a), Eq(true));
EXPECT_THAT(br.readBytes<1>(res.e), Eq(true));
EXPECT_THAT(br.readBuffer<1>(res.f, 2), Eq(true));
br.readBytes<4>(res.b);
br.readBytes<2>(res.c);
br.readBytes<1>(res.d);
br.readBytes<8>(res.a);
br.readBytes<1>(res.e);
br.readBuffer<1>(res.f, 2);
EXPECT_THAT(br.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
//assert results
EXPECT_THAT(data.a, Eq(res.a));
@@ -248,13 +258,9 @@ TEST(BufferBitsAndBytesOperations, ReadWriteBufferFncCanAcceptSignedData) {
//read from buffer
BufferReader br1{bw.getWrittenRange()};
int16_t dst[DATA_SIZE]{};
EXPECT_THAT(br1.readBuffer<2>(dst, DATA_SIZE), Eq(true));
br1.readBuffer<2>(dst, DATA_SIZE);
EXPECT_THAT(br1.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
EXPECT_THAT(dst, ContainerEq(src));
//read more than available
BufferReader br2{bw.getWrittenRange()};
int16_t dstMore[DATA_SIZE+1]{};
EXPECT_THAT(br2.readBuffer<2>(dstMore, DATA_SIZE+1), Eq(false));
}
TEST(BufferBitsAndBytesOperations, ReadWriteBufferCanWorkOnUnalignedData) {
@@ -277,16 +283,37 @@ TEST(BufferBitsAndBytesOperations, ReadWriteBufferCanWorkOnUnalignedData) {
uint8_t tmp{};
br1.readBits(tmp, 4);
EXPECT_THAT(tmp, Eq(15));
EXPECT_THAT(br1.readBuffer<2>(dst, DATA_SIZE), Eq(true));
br1.readBuffer<2>(dst, DATA_SIZE);
EXPECT_THAT(br1.getError(), Eq(bitsery::BufferReaderError::NO_ERROR));
EXPECT_THAT(dst, ContainerEq(src));
br1.readBits(tmp, 4);
EXPECT_THAT(tmp, Eq(12));
//read more than available
BufferReader br2{range};
br2.readBits(tmp, 4);
int16_t dstMore[DATA_SIZE+1]{};
EXPECT_THAT(tmp, Eq(15));
EXPECT_THAT(br2.readBuffer<2>(dstMore, DATA_SIZE+1), Eq(false));
}
TEST(BufferBitsAndBytesOperations, RegressionTestReadBytesAfterReadBitsWithLotsOfZeroBits) {
//setup data
int16_t data[2]{0x0000, 0x7FFF};
int16_t res[2]{};
//create and write to buffer
Buffer buf{};
BufferWriter bw{buf};
bw.writeBits(2u, 2);
bw.writeBytes<2>(data[0]);
bw.writeBytes<2>(data[1]);
bw.align();
bw.flush();
auto range = bw.getWrittenRange();
//read from buffer
BufferReader br{range};
uint8_t tmp{};
br.readBits(tmp, 2);
EXPECT_THAT(tmp, Eq(2));
br.readBytes<2>(res[0]);
br.readBytes<2>(res[1]);
br.align();
EXPECT_THAT(res[0], Eq(data[0]));
EXPECT_THAT(res[1], Eq(data[1]));
}