public void ReadingUnicodeWhenBufferTooSmall()
{
var buffer = new ReadOnlySequence <byte>(Encoding.UTF8.GetBytes("\u00E4\u00E4\u00E5"));
var reader = new Utf8BufferTextReader();
reader.SetBuffer(buffer);
var chars = new char[2];
int read = reader.Read(chars, 0, chars.Length);
Assert.Equal(2, read);
Assert.Equal("\u00E4\u00E4", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(1, read);
Assert.Equal("\u00E5", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(0, read);
read = reader.Read(chars, 0, 1);
Assert.Equal(0, read);
}
public void ReadingWhenBufferTooSmall()
{
var buffer = new ReadOnlySequence <byte>(Encoding.UTF8.GetBytes("Hello World"));
var reader = new Utf8BufferTextReader();
reader.SetBuffer(buffer);
var chars = new char[5];
int read = reader.Read(chars, 0, chars.Length);
Assert.Equal(5, read);
Assert.Equal("Hello", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(5, read);
Assert.Equal(" Worl", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(1, read);
Assert.Equal("d", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(0, read);
read = reader.Read(chars, 0, 1);
Assert.Equal(0, read);
}
public void ReadingWhenCharBufferBigEnough()
{
var buffer = new ReadOnlySequence <byte>(Encoding.UTF8.GetBytes("Hello World"));
var reader = new Utf8BufferTextReader();
reader.SetBuffer(buffer);
var chars = new char[1024];
int read = reader.Read(chars, 0, chars.Length);
Assert.Equal("Hello World", new string(chars, 0, read));
}
public void ReadingUnicodeWhenCharBufferBigEnough()
{
var buffer = new ReadOnlySequence <byte>(Encoding.UTF8.GetBytes("a\u00E4\u00E4\u00a9o"));
var reader = new Utf8BufferTextReader();
reader.SetBuffer(buffer);
var chars = new char[1024];
var read = reader.Read(chars, 0, chars.Length);
Assert.Equal(5, read);
Assert.Equal("a\u00E4\u00E4\u00a9o", new string(chars, 0, read));
read = reader.Read(chars, 0, chars.Length);
Assert.Equal(0, read);
}