public async Task BomScan(Encoding enc)
{
var data = Enumerable.Range(0, byte.MaxValue).Select(x => ANSI.GetChars(new byte[] { (byte)x })[0]).ToArray();
var encodedBytes = (enc.GetPreamble().AsBucket() + enc.GetBytes(data).AsBucket()).ToArray();
for (int i = 1; i < encodedBytes.Length - 1; i++)
{
var encSpan = encodedBytes.AsMemory();
var b = encSpan.Slice(0, i).ToArray().AsBucket() + encSpan.Slice(i).ToArray().AsBucket();
BucketBytes bb = await b.ConvertToUtf8(enc).ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), $"Convert Iteration {i}");
if (enc is UnicodeEncoding u && !u.GetPreamble().Any())
{
continue; // Unicode without preamble not detectable without scan via .Peek()
}
b = encSpan.Slice(0, i).ToArray().AsBucket() + encSpan.Slice(i).ToArray().AsBucket();
bb = await b.NormalizeToUtf8().ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), $"Normalize Iteration {i}");
}
}
public async Task ConvertBucketToUtf8(Encoding enc)
{
var data = Enumerable.Range(0, byte.MaxValue).Select(x => ANSI.GetChars(new byte[] { (byte)x })[0]).ToArray();
var encodedBytes = (enc.GetPreamble().AsBucket() + enc.GetBytes(data).AsBucket()).ToArray();
using var b = encodedBytes.AsBucket();
var bb = await b.ConvertToUtf8(enc).ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), Escape(new String(encodedBytes.Select(x => (char)x).ToArray())));
}
public async Task EncodeScan()
{
var enc = new UTF8Encoding(false);
var data = Enumerable.Range(120, 20).Select(x => ANSI.GetChars(new byte[] { (byte)x })[0]).ToArray();
var encodedBytes = (enc.GetPreamble().AsBucket() + enc.GetBytes(data).AsBucket()).ToArray();
for (int i = 1; i < encodedBytes.Length - 1; i++)
{
var encSpan = encodedBytes.AsMemory();
var b = encSpan.Slice(0, i).ToArray().AsBucket() + encSpan.Slice(i).ToArray().AsBucket();
BucketBytes bb = await b.ConvertToUtf8(enc).ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), $"Convert Iteration {i}");
b = encSpan.Slice(0, i).ToArray().AsBucket() + encSpan.Slice(i).ToArray().AsBucket();
bb = await b.NormalizeToUtf8().ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), $"Normalize Iteration {i}");
}
}
public async Task NormalizeBucketToUtf8(Encoding enc)
{
var data = Enumerable.Range(0, byte.MaxValue).Select(x => ANSI.GetChars(new byte[] { (byte)x })[0]).ToArray();
var encodedBytes = (enc.GetPreamble().AsBucket() + enc.GetBytes(data).AsBucket()).ToArray();
using var b = encodedBytes.AsBucket();
// This wil test the peaking
var bb = await b.NormalizeToUtf8().ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), Escape(new String(encodedBytes.Select(x => (char)x).ToArray())));
if (enc is UnicodeEncoding u && !u.GetPreamble().Any())
{
return; // Unicode without preamble not detectable without scan via .Peek()
}
// This will check the byte reading
BucketBytes ec = encodedBytes;
bb = await(ec.Slice(0, 1).ToArray().AsBucket() + ec.Slice(1).ToArray().AsBucket()).NormalizeToUtf8().ReadFullAsync(1024);
Assert.AreEqual(Escape(new String(data)), Escape(bb.ToUTF8String()), Escape(new String(encodedBytes.Select(x => (char)x).ToArray())));
}
