public async Task ReallyLongLine()
{
byte[] buffer = new byte[10000];
var testString = "A" + new string('_', 5000) + "B";
MemoryStream inputStream = new MemoryStream(Encoding.ASCII.GetBytes(testString));
UnencodedStreamReader reader = new UnencodedStreamReader(inputStream);
var read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.Equal(testString.Length, read);
Assert.Equal(testString, Encoding.ASCII.GetString(buffer, 0, read.Value));
Assert.Equal(testString.Length, reader.BytePositition);
}
public async Task EmptyStreamReader()
{
byte [] buffer = new byte[1000];
var testString = "";
MemoryStream inputStream = new MemoryStream(Encoding.ASCII.GetBytes(testString));
UnencodedStreamReader reader = new UnencodedStreamReader(inputStream);
var read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.False(read.HasValue);
Assert.Equal(0, buffer[0]);
Assert.Equal(testString.Length, reader.BytePositition);
}
public async Task MultipleLines()
{
byte[] buffer = new byte[1000];
var testString = "ABC\r\nDEF\r\nGHI\r\n";
MemoryStream inputStream = new MemoryStream(Encoding.ASCII.GetBytes(testString));
UnencodedStreamReader reader = new UnencodedStreamReader(inputStream);
var read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.Equal(3, read);
Assert.Equal("ABC", Encoding.ASCII.GetString(buffer, 0, read.Value));
Assert.Equal(5, reader.BytePositition);
read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.Equal(3, read);
Assert.Equal("DEF", Encoding.ASCII.GetString(buffer, 0, read.Value));
read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.Equal(3, read);
Assert.Equal("GHI", Encoding.ASCII.GetString(buffer, 0, read.Value));
read = await reader.TryReadLineAsync(buffer, CancellationToken.None);
Assert.False(read.HasValue);
Assert.Equal(testString.Length, reader.BytePositition);
}