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#include "bitinput.h"
#include "bitoutput.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/stream/buffer.h>
#include <util/generic/buffer.h>
namespace NBitIO {
static const char BITS_REF[] =
"00100010 01000000 00000000 00100111 11011111 01100111 11010101 00010100 "
"00100010 01100011 11100011 00110000 11011011 11011111 01001100 00110101 "
"10011110 01011111 01010000 00000110 00011011 00100110 00010100 01110011 "
"00001010 10101010 10101010 10101010 10101010 10101010 10101010 10101010 "
"10110101 01010101 01010101 01010101 01010101 01010101 01010101 01010101 "
"01000000";
inline ui64 Bits(ui64 bytes) {
return bytes << 3ULL;
}
inline TString PrintBits(const char* a, const char* b, bool reverse = false) {
TString s;
TStringOutput out(s);
for (const char* it = a; it != b; ++it) {
if (it != a)
out << ' ';
ui8 byte = *it;
if (reverse)
byte = ReverseBits(byte);
for (ui32 mask = 1; mask < 0xff; mask <<= 1) {
out << ((byte & mask) ? '1' : '0');
}
}
return s;
}
template <typename T>
inline TString PrintBits(T t, ui32 bits = Bits(sizeof(T))) {
return PrintBits((char*)&t, ((char*)&t) + BytesUp(bits));
}
}
class TBitIOTest: public TTestBase {
UNIT_TEST_SUITE(TBitIOTest);
UNIT_TEST(TestBitIO)
UNIT_TEST_SUITE_END();
private:
using TBi = NBitIO::TBitInput;
using TVec = TVector<char>;
void static CheckBits(const TVec& v, const TString& ref, const TString& rem) {
UNIT_ASSERT_VALUES_EQUAL_C(NBitIO::PrintBits(v.begin(), v.end()), ref, rem);
}
void DoRead(TBi& b, ui32& t) {
b.Read(t, 1, 0); // 1
b.ReadK<3>(t, 1); // 4
b.Read(t, 5, 4); // 9
b.ReadK<14>(t, 9); // 23
b.Read(t, 1, 23); // 24
b.ReadK<5>(t, 24); // 29
b.Read(t, 3, 29); // 32
}
template <typename TBo>
void DoWrite(TBo& b, ui32 t) {
b.Write(t, 1, 0); //1
b.Write(t, 3, 1); //4
b.Write(t, 5, 4); //9
b.Write(t, 14, 9); //23
b.Write(t, 1, 23); //24
b.Write(t, 5, 24); //29
b.Write(t, 3, 29); //32
}
template <typename TBo>
void DoWrite1(TBo& out, const TString& rem) {
out.Write(0x0C, 3);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 1u, (rem + ", " + ToString(__LINE__)));
out.Write(0x18, 4);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 1u, (rem + ", " + ToString(__LINE__)));
out.Write(0x0C, 3);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 2u, (rem + ", " + ToString(__LINE__)));
out.Write(0x30000, 17);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 4u, (rem + ", " + ToString(__LINE__)));
out.Write(0x0C, 3);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 4u, (rem + ", " + ToString(__LINE__)));
}
template <typename TBo>
void DoWrite2(TBo& out, const TString& rem) {
out.Write(0x0C, 3);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 8u, (rem + ", " + ToString(__LINE__)));
out.Write(0x42, 7);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 9u, (rem + ", " + ToString(__LINE__)));
DoWrite(out, 1637415112);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 13u, (rem + ", " + ToString(__LINE__)));
DoWrite(out, 897998715);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 17u, (rem + ", " + ToString(__LINE__)));
DoWrite(out, 201416527);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 21u, (rem + ", " + ToString(__LINE__)));
DoWrite(out, 432344219);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 25u, (rem + ", " + ToString(__LINE__)));
out.Write(0xAAAAAAAAAAAAAAAAULL, 64);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 33u, (rem + ", " + ToString(__LINE__)));
out.Write(0x5555555555555555ULL, 64);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 41u, (rem + ", " + ToString(__LINE__)));
}
void DoBitOutput(NBitIO::TBitOutputYVector& out, const TString& rem) {
DoWrite1(out, rem);
out.WriteWords<8>(0xabcdef);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 8u, (rem + ", " + ToString(__LINE__)));
DoWrite2(out, rem);
}
void DoBitOutput(NBitIO::TBitOutputArray& out, const TString& rem) {
DoWrite1(out, rem);
out.WriteWords<8>(0xabcdef);
UNIT_ASSERT_VALUES_EQUAL_C(out.GetOffset(), 8u, (rem + ", " + ToString(__LINE__)));
DoWrite2(out, rem);
}
void DoBitInput(TBi& in, const TString& rem) {
UNIT_ASSERT(!in.Eof());
{
ui64 val;
val = 0;
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 0u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(in.Read(val, 3), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 1u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
UNIT_ASSERT_C(in.Read(val, 4), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x8u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 1u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
UNIT_ASSERT_C(in.Read(val, 3), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 2u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
UNIT_ASSERT_C(in.Read(val, 17), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x10000u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 4u, (rem + ": " + NBitIO::PrintBits(val)));
{
ui32 rt = 0;
in.ReadRandom(30, rt, 10, 20);
UNIT_ASSERT_STRINGS_EQUAL(NBitIO::PrintBits(rt).data(), "00000000 00000000 00001111 01111100");
}
val = 0;
UNIT_ASSERT_C(in.Read(val, 3), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
UNIT_ASSERT_C(in.ReadWords<8>(val), (rem + ": " + NBitIO::PrintBits(val)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0xabcdefU, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 8u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
UNIT_ASSERT_C(in.Read(val, 3), (rem + ", " + ToString(__LINE__)).data());
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x4u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 8u, (rem + ": " + NBitIO::PrintBits(val)));
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
val = 0;
in.Read(val, 7);
UNIT_ASSERT_VALUES_EQUAL_C(val, 0x42u, (rem + ": " + NBitIO::PrintBits(val)));
}
{
ui32 v = 0;
DoRead(in, v);
UNIT_ASSERT_VALUES_EQUAL_C(v, 1637415112ul, (rem + ": " + NBitIO::PrintBits(v)));
DoRead(in, v);
UNIT_ASSERT_VALUES_EQUAL_C(v, 897998715u, (rem + ": " + NBitIO::PrintBits(v)));
DoRead(in, v);
UNIT_ASSERT_VALUES_EQUAL_C(v, 201416527u, (rem + ": " + NBitIO::PrintBits(v)));
DoRead(in, v);
UNIT_ASSERT_VALUES_EQUAL_C(v, 432344219u, (rem + ": " + NBitIO::PrintBits(v)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 25u, (rem + ": " + NBitIO::PrintBits(v)));
}
{
ui64 v8 = 0;
in.ReadSafe(v8, 64);
UNIT_ASSERT_VALUES_EQUAL_C(v8, 0xAAAAAAAAAAAAAAAAULL, (rem + ": " + NBitIO::PrintBits(v8)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 33u, (rem + ": " + NBitIO::PrintBits(v8)));
v8 = 0;
in.ReadK<64>(v8);
UNIT_ASSERT_VALUES_EQUAL_C(v8, 0x5555555555555555ULL, (rem + ": " + NBitIO::PrintBits(v8)));
UNIT_ASSERT_VALUES_EQUAL_C(in.GetOffset(), 41u, (rem + ": " + NBitIO::PrintBits(v8)));
}
ui32 v = 0;
UNIT_ASSERT_C(!in.Eof(), (rem + ", " + ToString(__LINE__)).data());
UNIT_ASSERT_C(in.Read(v, 5), (rem + ", " + ToString(__LINE__)).data());
UNIT_ASSERT_C(in.Eof(), (rem + ", " + ToString(__LINE__)).data());
}
void TestBitIO() {
{
TVec vec;
{
NBitIO::TBitOutputYVector out(&vec);
DoBitOutput(out, ToString(__LINE__));
}
CheckBits(vec, NBitIO::BITS_REF, ToString(__LINE__).data());
{
TBi in(vec);
DoBitInput(in, ToString(__LINE__));
}
}
{
TVec vec;
vec.resize(41, 0);
{
NBitIO::TBitOutputArray out(vec.begin(), vec.size());
DoBitOutput(out, ToString(__LINE__));
}
CheckBits(vec, NBitIO::BITS_REF, ToString(__LINE__).data());
{
TBi in(vec);
DoBitInput(in, ToString(__LINE__));
}
}
}
};
UNIT_TEST_SUITE_REGISTRATION(TBitIOTest);
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