#include "TestFramework.hpp"

#include "BitDecoder.hpp"

BOOST_AUTO_TEST_CASE( TestBasic )
{
  {
    BitArray tbits(16, true);
    BitArray fbits(16, false);
    for (uint i = 0; i < tbits.size(); ++i) {
      BOOST_REQUIRE_EQUAL(tbits.testBit(i), true);
      BOOST_REQUIRE_EQUAL(fbits.testBit(i), false);
    }
  }

  {
    BitArray tbits(9, true);
    BitArray fbits(9, false);
    for (uint i = 0; i < tbits.size(); ++i) {
      BOOST_REQUIRE_EQUAL(tbits.testBit(i), true);
      BOOST_REQUIRE_EQUAL(fbits.testBit(i), false);
    }
  }

  {
    BitArray tbits(13, true);
    BitArray fbits(13, false);
    for (uint i = 0; i < tbits.size(); ++i) {
      BOOST_REQUIRE_EQUAL(tbits.testBit(i), true);
      BOOST_REQUIRE_EQUAL(fbits.testBit(i), false);
    }
  }

}


BOOST_AUTO_TEST_CASE( TestSetBit )
{

  for (uint i = 0; i < 13; ++i) {
    BitArray tbits(13, true);
    BitArray fbits(13, false);
    tbits.setBit(i, false);
    fbits.setBit(i, true);
    for (uint j = 0; j < tbits.size(); ++j) {
      BOOST_REQUIRE_EQUAL(tbits.testBit(j), i != j);
      BOOST_REQUIRE_EQUAL(fbits.testBit(j), i == j);
    }
  }

}

BOOST_AUTO_TEST_CASE( TestSetBit2 )
{
  BitArray tbits(8, true);
  BitArray fbits(8, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("11111111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("00000000"));

  tbits.setBit(0, false);
  fbits.setBit(0, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01111111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("00000000"));

  tbits.setBit(1, true);
  fbits.setBit(1, true);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01111111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000000"));

  tbits.setBit(2, false);
  fbits.setBit(2, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01011111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000000"));

  tbits.setBit(3, false);
  fbits.setBit(3, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01001111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000000"));

  tbits.setBit(4, false);
  fbits.setBit(4, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01000111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000000"));

  tbits.setBit(5, true);
  fbits.setBit(5, true);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01000111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000100"));

  tbits.setBit(6, true);
  fbits.setBit(6, true);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01000111"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000110"));

  tbits.setBit(7, false);
  fbits.setBit(7, false);
  BOOST_REQUIRE_EQUAL(tbits, BitDecoder::bitsFromString("01000110"));
  BOOST_REQUIRE_EQUAL(fbits, BitDecoder::bitsFromString("01000110"));


}

BOOST_AUTO_TEST_CASE( TestPaddedChar )
{
  BitArray bits = BitDecoder::bitsFromString("0100011011");

  BOOST_REQUIRE_EQUAL(bits.size(), 10u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 70);

  bits = BitDecoder::bitsFromString("0000000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 10u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(2), 1u);

  bits = BitDecoder::bitsFromString("0000000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 10u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(2), 3u);

  bits = BitDecoder::bitsFromString("000000000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 12u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(4), 3u);

  bits = BitDecoder::bitsFromString("0000000000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 13u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(5), 3u);

  bits = BitDecoder::bitsFromString("00000000000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 14u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(6), 3u);

  bits = BitDecoder::bitsFromString("000000000000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 15u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(7), 3u);

  bits = BitDecoder::bitsFromString("10000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 8u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 129u);

  bits = BitDecoder::bitsFromString("010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 9u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(1), 129u);

  bits = BitDecoder::bitsFromString("0010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 10u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(2), 129u);

  bits = BitDecoder::bitsFromString("00010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 11u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(3), 129u);

  bits = BitDecoder::bitsFromString("000010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 12u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(4), 129u);

  bits = BitDecoder::bitsFromString("0000010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 13u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(5), 129u);

  bits = BitDecoder::bitsFromString("00000010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 14u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(6), 129u);

  bits = BitDecoder::bitsFromString("000000010000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 15u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(7), 129u);


  bits = BitDecoder::bitsFromString("0100011011");
  BOOST_REQUIRE_EQUAL(bits.size(), 10u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(2), 27u);
}

BOOST_AUTO_TEST_CASE( TestCorrectChar )
{
  BitArray bits = BitDecoder::bitsFromString("00000001");
  BOOST_REQUIRE_EQUAL(bits.size(), 8u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 1u);

  bits = BitDecoder::bitsFromString("00000011");
  BOOST_REQUIRE_EQUAL(bits.size(), 8u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 3u);

  bits = BitDecoder::bitsFromString("10000000");
  BOOST_REQUIRE_EQUAL(bits.size(), 8u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 128u);
  bits = BitDecoder::bitsFromString("11000000");
  BOOST_REQUIRE_EQUAL(bits.size(), 8u);
  BOOST_REQUIRE_EQUAL(bits.getPaddedChar(0), 192u);
}