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 EncodeZigZag32()
{
Assert.AreEqual(0u, WritingPrimitives.EncodeZigZag32(0));
Assert.AreEqual(1u, WritingPrimitives.EncodeZigZag32(-1));
Assert.AreEqual(2u, WritingPrimitives.EncodeZigZag32(1));
Assert.AreEqual(3u, WritingPrimitives.EncodeZigZag32(-2));
Assert.AreEqual(0x7FFFFFFEu, WritingPrimitives.EncodeZigZag32(0x3FFFFFFF));
Assert.AreEqual(0x7FFFFFFFu, WritingPrimitives.EncodeZigZag32(unchecked ((int)0xC0000000)));
Assert.AreEqual(0xFFFFFFFEu, WritingPrimitives.EncodeZigZag32(0x7FFFFFFF));
Assert.AreEqual(0xFFFFFFFFu, WritingPrimitives.EncodeZigZag32(unchecked ((int)0x80000000)));
}
public void RoundTripZigZag64()
{
Assert.AreEqual(0, ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(0)));
Assert.AreEqual(1, ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(1)));
Assert.AreEqual(-1, ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(-1)));
Assert.AreEqual(14927, ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(14927)));
Assert.AreEqual(-3612, ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(-3612)));
Assert.AreEqual(856912304801416L,
ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(856912304801416L)));
Assert.AreEqual(-75123905439571256L,
ParsingPrimitives.DecodeZigZag64(WritingPrimitives.EncodeZigZag64(-75123905439571256L)));
}
public void EncodeZigZag64()
{
Assert.AreEqual(0u, WritingPrimitives.EncodeZigZag64(0));
Assert.AreEqual(1u, WritingPrimitives.EncodeZigZag64(-1));
Assert.AreEqual(2u, WritingPrimitives.EncodeZigZag64(1));
Assert.AreEqual(3u, WritingPrimitives.EncodeZigZag64(-2));
Assert.AreEqual(0x000000007FFFFFFEuL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0x000000003FFFFFFFUL)));
Assert.AreEqual(0x000000007FFFFFFFuL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0xFFFFFFFFC0000000UL)));
Assert.AreEqual(0x00000000FFFFFFFEuL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0x000000007FFFFFFFUL)));
Assert.AreEqual(0x00000000FFFFFFFFuL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0xFFFFFFFF80000000UL)));
Assert.AreEqual(0xFFFFFFFFFFFFFFFEL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0x7FFFFFFFFFFFFFFFUL)));
Assert.AreEqual(0xFFFFFFFFFFFFFFFFL,
WritingPrimitives.EncodeZigZag64(unchecked ((long)0x8000000000000000UL)));
}
/// <summary>
/// Writes an already-encoded tag.
/// </summary>
/// <param name="tag">The encoded tag</param>
public void WriteTag(uint tag)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteTag(ref span, ref state, tag);
}
/// <summary>
/// Writes a length (in bytes) for length-delimited data.
/// </summary>
/// <remarks>
/// This method simply writes a rawint, but exists for clarity in calling code.
/// </remarks>
/// <param name="length">Length value, in bytes.</param>
public void WriteLength(int length)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteLength(ref span, ref state, length);
}
/// <summary>
/// Encodes and writes a tag.
/// </summary>
/// <param name="fieldNumber">The number of the field to write the tag for</param>
/// <param name="type">The wire format type of the tag to write</param>
public void WriteTag(int fieldNumber, WireFormat.WireType type)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteTag(ref span, ref state, fieldNumber, type);
}
/// <summary>
/// Write a byte string, without a tag, to the stream.
/// The data is length-prefixed.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteBytes(ByteString value)
{
WritingPrimitives.WriteBytes(ref buffer, ref state, value);
}
/// <summary>
/// Writes an sint64 value, without a tag.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteSInt64(long value)
{
WritingPrimitives.WriteSInt64(ref buffer, ref state, value);
}
/// <summary>
/// Writes a 32 bit value as a varint. The fast route is taken when
/// there's enough buffer space left to whizz through without checking
/// for each byte; otherwise, we resort to calling WriteRawByte each time.
/// </summary>
internal void WriteRawVarint32(uint value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteRawVarint32(ref span, ref state, value);
}
/// <summary>
/// Writes out part of an array of bytes.
/// </summary>
internal void WriteRawBytes(byte[] value, int offset, int length)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteRawBytes(ref span, ref state, value, offset, length);
}
/// <summary>
/// Writes a double field value, without a tag, to the stream.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteDouble(double value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteDouble(ref span, ref state, value);
}
/// <summary>
/// Writes a float field value, without a tag, to the stream.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteFloat(float value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteFloat(ref span, ref state, value);
}
/// <summary>
/// Writes the given two-byte tag.
/// </summary>
/// <param name="b1">The first byte of the encoded tag</param>
/// <param name="b2">The second byte of the encoded tag</param>
public void WriteRawTag(byte b1, byte b2)
{
WritingPrimitives.WriteRawTag(ref buffer, ref state, b1, b2);
}
/// <summary>
/// Writes the given five-byte tag.
/// </summary>
/// <param name="b1">The first byte of the encoded tag</param>
/// <param name="b2">The second byte of the encoded tag</param>
/// <param name="b3">The third byte of the encoded tag</param>
/// <param name="b4">The fourth byte of the encoded tag</param>
/// <param name="b5">The fifth byte of the encoded tag</param>
public void WriteRawTag(byte b1, byte b2, byte b3, byte b4, byte b5)
{
WritingPrimitives.WriteRawTag(ref buffer, ref state, b1, b2, b3, b4, b5);
}
/// <summary>
/// Writes an already-encoded tag.
/// </summary>
/// <param name="tag">The encoded tag</param>
public void WriteTag(uint tag)
{
WritingPrimitives.WriteTag(ref buffer, ref state, tag);
}
/// <summary>
/// Encodes and writes a tag.
/// </summary>
/// <param name="fieldNumber">The number of the field to write the tag for</param>
/// <param name="type">The wire format type of the tag to write</param>
public void WriteTag(int fieldNumber, WireFormat.WireType type)
{
WritingPrimitives.WriteTag(ref buffer, ref state, fieldNumber, type);
}
/// <summary>
/// Writes a length (in bytes) for length-delimited data.
/// </summary>
/// <remarks>
/// This method simply writes a rawint, but exists for clarity in calling code.
/// </remarks>
/// <param name="length">Length value, in bytes.</param>
public void WriteLength(int length)
{
WritingPrimitives.WriteLength(ref buffer, ref state, length);
}
/// <summary>
/// Writes the given single-byte tag directly to the stream.
/// </summary>
/// <param name="b1">The encoded tag</param>
public void WriteRawTag(byte b1)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteRawTag(ref span, ref state, b1);
}
/// <summary>
/// Writes a bool field value, without a tag, to the stream.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteBool(bool value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteBool(ref span, ref state, value);
}
/// <summary>
/// Writes the given five-byte tag directly to the stream.
/// </summary>
/// <param name="b1">The first byte of the encoded tag</param>
/// <param name="b2">The second byte of the encoded tag</param>
/// <param name="b3">The third byte of the encoded tag</param>
/// <param name="b4">The fourth byte of the encoded tag</param>
/// <param name="b5">The fifth byte of the encoded tag</param>
public void WriteRawTag(byte b1, byte b2, byte b3, byte b4, byte b5)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteRawTag(ref span, ref state, b1, b2, b3, b4, b5);
}
/// <summary>
/// Writes an enum value, without a tag.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteEnum(int value)
{
WritingPrimitives.WriteEnum(ref buffer, ref state, value);
}
internal void WriteRawLittleEndian64(ulong value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteRawLittleEndian64(ref span, ref state, value);
}
/// <summary>
/// Writes a bool field value, without a tag.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteBool(bool value)
{
WritingPrimitives.WriteBool(ref buffer, ref state, value);
}
public static void WriteMessage(ref WriteContext ctx, IMessage value)
{
WritingPrimitives.WriteLength(ref ctx.buffer, ref ctx.state, value.CalculateSize());
WriteRawMessage(ref ctx, value);
}
/// <summary>
/// Writes an sint64 value, without a tag, to the stream.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteSInt64(long value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteSInt64(ref span, ref state, value);
}
/// <summary>
/// Write a byte string, without a tag, to the stream.
/// The data is length-prefixed.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteBytes(ByteString value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteBytes(ref span, ref state, value);
}
/// <summary>
/// Writes an sint32 value, without a tag.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteSInt32(int value)
{
WritingPrimitives.WriteSInt32(ref buffer, ref state, value);
}
/// <summary>
/// Writes an sfixed32 value, without a tag, to the stream.
/// </summary>
/// <param name="value">The value to write.</param>
public void WriteSFixed32(int value)
{
var span = new Span <byte>(buffer);
WritingPrimitives.WriteSFixed32(ref span, ref state, value);
}
/// <summary>
/// Writes a fixed32 field value, without a tag.
/// </summary>
/// <param name="value">The value to write</param>
public void WriteFixed32(uint value)
{
WritingPrimitives.WriteFixed32(ref buffer, ref state, value);
}
