public void FallbackEmptyDefault()
{
Buffer b = NewInstance();
Assert.IsTrue(b.Fallback(new byte [] {}, 0), "#0");
Assert.IsFalse(b.MovePrevious(), "#1");
Assert.AreEqual(1, b.Remaining, "#2");
Assert.AreEqual('?', b.GetNextChar(), "#3");
Assert.AreEqual(0, b.Remaining, "#4");
// the string is already consumed.
Assert.AreEqual(char.MinValue, b.GetNextChar(), "#5");
}
public void FallbackSequential()
{
Buffer b = NewInstance();
b.Fallback(new byte [] {}, 0);
b.GetNextChar();
b.Fallback(new byte [] {}, 0);
}
public void FallbackEmptyForEncodingUTF8 ()
{
Buffer b = new DecoderReplacementFallbackBuffer (new DecoderReplacementFallback (String.Empty));
Assert.IsFalse (b.Fallback (new byte [] {}, 0), "#1");
Assert.IsFalse (b.MovePrevious (), "#2");
Assert.AreEqual (0, b.Remaining, "#3");
// the string does not exist.
Assert.AreEqual (char.MinValue, b.GetNextChar (), "#4");
}
public void FallbackDefaultEncodingUTF8()
{
Buffer b = Encoding.UTF8.DecoderFallback.CreateFallbackBuffer() as Buffer;
Assert.IsTrue(b.Fallback(new byte [] {}, 0), "#1");
Assert.IsFalse(b.MovePrevious(), "#2");
Assert.AreEqual(1, b.Remaining, "#3");
Assert.AreEqual('\uFFFD', b.GetNextChar(), "#4");
}
public void Iterate()
{
Assert.AreEqual('\0', Encoding.UTF8.DecoderFallback
.CreateFallbackBuffer().GetNextChar(), "#1");
Buffer b = NewInstance();
// Assert.AreEqual (1, b.Remaining, "#2");
// Assert.AreEqual ('?', b.GetNextChar (), "#3");
Assert.AreEqual(0, b.Remaining, "#4");
Assert.AreEqual('\0', b.GetNextChar(), "#5");
// Assert.IsTrue (b.MovePrevious (), "#6");
// Assert.AreEqual (1, b.Remaining, "#7");
Assert.IsFalse(b.MovePrevious(), "#8");
// Assert.AreEqual ('?', b.GetNextChar (), "#9");
}
public void Reset ()
{
DecoderReplacementFallback f = new DecoderReplacementFallback ("X");
DecoderReplacementFallbackBuffer b = new DecoderReplacementFallbackBuffer (f);
b.Fallback (new byte [0], 0);
Assert.AreEqual (1, b.Remaining, "#1");
b.Reset ();
Assert.AreEqual (0, b.Remaining, "#2");
b.Fallback (new byte [0], 0); // do not raise an error
b.Reset ();
Assert.AreEqual (0, (int) b.GetNextChar (), "#3");
}