private unsafe static void WriteAsciiMultiWrite(ref WritableBufferWriter buffer, string data)
{
var remaining = data.Length;
fixed(char *input = data)
{
var inputSlice = input;
while (remaining > 0)
{
var writable = Math.Min(remaining, buffer.Span.Length);
if (writable == 0)
{
buffer.Ensure();
continue;
}
fixed(byte *output = &buffer.Span.DangerousGetPinnableReference())
{
EncodeAsciiCharsToBytes(inputSlice, output, writable);
}
inputSlice += writable;
remaining -= writable;
buffer.Advance(writable);
}
}
}
public void EnsureAllocatesSpan()
{
_buffer = _pipe.Writer.Alloc();
var writer = new WritableBufferWriter(_buffer);
writer.Ensure(10);
Assert.True(writer.Span.Length > 10);
Assert.Equal(new byte[] {}, Read());
}