/// <summary>
/// Reads string from the stream.
/// </summary>
/// <remarks>
/// String is prefixed with the string length encoded as "packed"
/// Int32.
/// </remarks>
/// <returns>
/// A String value read from the stream.
/// </returns>
public override string ReadString()
{
int length = ReadPackedInt32();
switch (length)
{
case -1:
case PofConstants.V_REFERENCE_NULL:
return(null);
case 0:
return(String.Empty);
default:
byte[] bytes = ReadBytes(length);
return(SerializationHelper.ConvertUTF(bytes, 0, bytes.Length));
}
}
public void TestUTF8Serialization()
{
// Create a string with multi-bytes character.
String surrogate = "abc" + Char.ConvertFromUtf32(Int32.Parse("2A601", NumberStyles.HexNumber)) + "def";
// Safe UTF-8 encoding & decoding of string.
Stream stream = new MemoryStream();
DataWriter writer = new DataWriter(stream);
byte[] bytes = writer.FormatUTF(surrogate);
Console.WriteLine("Safe UTF-8-encoded code units:");
foreach (var utf8Byte in bytes)
{
Console.Write("{0:X2} ", utf8Byte);
}
Console.WriteLine();
string s = SerializationHelper.ConvertUTF(bytes, 0, bytes.Length);
Assert.AreEqual(s, surrogate);
}