public void BitExtractor_GetBits_IndexTooLarge_Throws()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor oneBit = new BitExtractor(data, BitsToEncode.One);
oneBit.GetBits(40);
}
public void BitExtractor_GetBits_EightBit_Success()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor eightBit = new BitExtractor(data, BitsToEncode.Eight);
Assert.AreEqual(0x48, eightBit.GetBits(0));
Assert.AreEqual(0x45, eightBit.GetBits(1));
}
public void BitExtractor_GetBits_FourBit_Success()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor fourBit = new BitExtractor(data, BitsToEncode.Four);
Assert.AreEqual(0xF4, fourBit.GetBits(0));
Assert.AreEqual(0xF8, fourBit.GetBits(1));
}
public void BitExtractor_Constructor_EmptyData_Success()
{
byte[] data = new byte[0];
BitExtractor oneBit = new BitExtractor(data, BitsToEncode.One);
BitExtractor twoBit = new BitExtractor(data, BitsToEncode.Two);
BitExtractor fourBit = new BitExtractor(data, BitsToEncode.Four);
BitExtractor eightBit = new BitExtractor(data, BitsToEncode.Eight);
Assert.AreEqual(0, oneBit.EncodedByteLength);
Assert.AreEqual(0, twoBit.EncodedByteLength);
Assert.AreEqual(0, fourBit.EncodedByteLength);
Assert.AreEqual(0, eightBit.EncodedByteLength);
}
public void BitExtractor_Constructor_Data_Success()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor oneBit = new BitExtractor(data, BitsToEncode.One);
BitExtractor twoBit = new BitExtractor(data, BitsToEncode.Two);
BitExtractor fourBit = new BitExtractor(data, BitsToEncode.Four);
BitExtractor eightBit = new BitExtractor(data, BitsToEncode.Eight);
Assert.AreEqual(40, oneBit.EncodedByteLength);
Assert.AreEqual(20, twoBit.EncodedByteLength);
Assert.AreEqual(10, fourBit.EncodedByteLength);
Assert.AreEqual(5, eightBit.EncodedByteLength);
}
public void BitExtractor_GetBits_NegativeIndex_Throws()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor oneBit = new BitExtractor(data, BitsToEncode.One);
oneBit.GetBits(-1);
}
public void BitExtractor_GetBits_InvalidBitsEnum_Throws()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor oneBit = new BitExtractor(data, (BitsToEncode)3);
oneBit.GetBits(5);
}
public void BitExtractor_Constructor_NullData_Throws()
{
BitExtractor extractor = new BitExtractor(null, BitsToEncode.One);
}
public void BitExtractor_GetBits_TwoBit_Success()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor twoBit = new BitExtractor(data, BitsToEncode.Two);
Assert.AreEqual(0xFD, twoBit.GetBits(0));
Assert.AreEqual(0xFC, twoBit.GetBits(1));
Assert.AreEqual(0xFE, twoBit.GetBits(2));
Assert.AreEqual(0xFC, twoBit.GetBits(3));
}
public void BitExtractor_GetBits_OneBit_Success()
{
byte[] data = new byte[] { 0x48, 0x45, 0x4C, 0x4C, 0x4F };
BitExtractor oneBit = new BitExtractor(data, BitsToEncode.One);
Assert.AreEqual(0xFE, oneBit.GetBits(0));
Assert.AreEqual(0xFF, oneBit.GetBits(1));
Assert.AreEqual(0xFE, oneBit.GetBits(2));
Assert.AreEqual(0xFE, oneBit.GetBits(3));
Assert.AreEqual(0xFF, oneBit.GetBits(4));
Assert.AreEqual(0xFE, oneBit.GetBits(5));
Assert.AreEqual(0xFE, oneBit.GetBits(6));
Assert.AreEqual(0xFE, oneBit.GetBits(7));
}