Line ReadLine(EncodingDetectionTestReader reader, long position)
{
long sPos = reader.Stream.Position;
Line l = reader.GetLine(position);
reader.Stream.Seek(sPos, SeekOrigin.Begin);
return(l);
}
public void TestMethod2()
{
EncodingDetectionTestReader tr = new EncodingDetectionTestReader();
StreamWriter sw = new StreamWriter(tr.Stream, new UTF8Encoding(false));
sw.Write("Ä");
sw.Flush();
tr.GetLine(0);
Assert.AreEqual(Encoding.UTF8.CodePage, tr.Encoding.CodePage);
}
public void TestMethod4()
{
EncodingDetectionTestReader tr = new EncodingDetectionTestReader();
StreamWriter sw = new StreamWriter(tr.Stream, new UTF8Encoding(false));
sw.Write("AÄ");
sw.Flush();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.UTF8.CodePage, tr.Encoding.CodePage);
sw.BaseStream.SetLength(1);
ReadLine(tr, 0);
Assert.AreEqual(Encoding.ASCII.CodePage, tr.Encoding.CodePage);
}
public void TestMethod6()
{
EncodingDetectionTestReader tr = new EncodingDetectionTestReader();
StreamWriter sw = new StreamWriter(tr.Stream, new UTF8Encoding(false));
sw.Write(new String('A', 128 * 1024 - 1));
sw.Flush();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.ASCII.CodePage, tr.Encoding.CodePage);
sw.Write("Ä");
sw.Flush();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.UTF8.CodePage, tr.Encoding.CodePage);
}
public void TestMethod5()
{
EncodingDetectionTestReader tr = new EncodingDetectionTestReader();
StreamWriter sw = new StreamWriter(tr.Stream, new UTF8Encoding(false));
sw.Write("AÄ");
sw.Flush();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.UTF8.CodePage, tr.Encoding.CodePage);
sw.BaseStream.Seek(1, SeekOrigin.Begin);
sw.Write("AA");
sw.Flush();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.UTF8.CodePage, tr.Encoding.CodePage);
tr.SetValidationRequired();
ReadLine(tr, 0);
Assert.AreEqual(Encoding.ASCII.CodePage, tr.Encoding.CodePage);
}
