public void HasNext()
{
InterpreterStream stream = new InterpreterStream();
Assert.IsFalse(stream.HasNext());
stream.Push(new byte[] { 0x10, 0x20 });
Assert.IsTrue(stream.HasNext());
stream.Next();
Assert.IsTrue(stream.HasNext());
stream.Next();
Assert.IsFalse(stream.HasNext());
}
public void JROT()
{
InterpreterStream stream = new InterpreterStream();
Assert.AreEqual(0, stream.Next());
stream.Push(new byte[] { 0x10, 0x20, 0x30, 0x40, 0x50, 0x60 });
stream.JMPR(2);
Assert.IsTrue(stream.HasNext());
Assert.AreEqual(0x30, stream.Next());
Assert.IsTrue(stream.HasNext());
stream.JMPR(-3);
Assert.AreEqual(0x10, stream.Next());
}
public void Next()
{
InterpreterStream stream = new InterpreterStream();
Assert.AreEqual(0, stream.Next());
stream.Push(new byte[] { 0x10, 0x20 });
Assert.AreEqual(0x10, stream.Next());
Assert.AreEqual(0x20, stream.Next());
Assert.IsFalse(stream.HasNext());
Assert.AreEqual(0, stream.Next());
stream.Pop();
Assert.IsFalse(stream.HasNext());
Assert.AreEqual(0, stream.Next());
}
public void Position()
{
InterpreterStream stream = new InterpreterStream();
Assert.AreEqual(0, stream.Position);
stream.Push(new byte[] { 0x10, 0x20, 0x30, 0x40, 0x50, 0x60 });
Assert.AreEqual(0, stream.Position);
stream.Next();
Assert.AreEqual(1, stream.Position);
stream.NextWord();
Assert.AreEqual(3, stream.Position);
}
public void NextWord()
{
InterpreterStream stream = new InterpreterStream();
Assert.AreEqual(0, stream.Next());
stream.Push(new byte[] { 0x10, 0x20, 0xFF, 0xFF, 0x80, 0x00 });
Assert.IsTrue(stream.HasNext());
Assert.AreEqual(0x1020, stream.NextWord());
Assert.IsTrue(stream.HasNext());
Assert.AreEqual(-1, stream.NextWord());
Assert.IsTrue(stream.HasNext());
Assert.AreEqual(-0x8000, stream.NextWord());
Assert.IsFalse(stream.HasNext());
Assert.AreEqual(0, stream.NextWord());
}