public void RoundTripZigZag32()
{
// Some easier-to-verify round-trip tests. The inputs (other than 0, 1, -1)
// were chosen semi-randomly via keyboard bashing.
Assert.AreEqual(0, ParsingPrimitives.DecodeZigZag32(WritingPrimitives.EncodeZigZag32(0)));
Assert.AreEqual(1, ParsingPrimitives.DecodeZigZag32(WritingPrimitives.EncodeZigZag32(1)));
Assert.AreEqual(-1, ParsingPrimitives.DecodeZigZag32(WritingPrimitives.EncodeZigZag32(-1)));
Assert.AreEqual(14927, ParsingPrimitives.DecodeZigZag32(WritingPrimitives.EncodeZigZag32(14927)));
Assert.AreEqual(-3612, ParsingPrimitives.DecodeZigZag32(WritingPrimitives.EncodeZigZag32(-3612)));
}
public void DecodeZigZag32()
{
Assert.AreEqual(0, ParsingPrimitives.DecodeZigZag32(0));
Assert.AreEqual(-1, ParsingPrimitives.DecodeZigZag32(1));
Assert.AreEqual(1, ParsingPrimitives.DecodeZigZag32(2));
Assert.AreEqual(-2, ParsingPrimitives.DecodeZigZag32(3));
Assert.AreEqual(0x3FFFFFFF, ParsingPrimitives.DecodeZigZag32(0x7FFFFFFE));
Assert.AreEqual(unchecked ((int)0xC0000000), ParsingPrimitives.DecodeZigZag32(0x7FFFFFFF));
Assert.AreEqual(0x7FFFFFFF, ParsingPrimitives.DecodeZigZag32(0xFFFFFFFE));
Assert.AreEqual(unchecked ((int)0x80000000), ParsingPrimitives.DecodeZigZag32(0xFFFFFFFF));
}
/// <summary>
/// Reads an sint32 field value from the stream.
/// </summary>
public int ReadSInt32()
{
return(ParsingPrimitives.DecodeZigZag32(ReadRawVarint32()));
}
public int ReadSInt32()
{
return(ParsingPrimitives.DecodeZigZag32(ParsingPrimitives.ParseRawVarint32(ref buffer, ref state)));
}