public void Pop()
{
InterpreterStream stream = new InterpreterStream();
try {
stream.Pop();
Assert.Fail();
} catch (InvalidOperationException) {
}
stream.Push(new byte[] { 0x10, 0x20 });
Assert.AreEqual(2, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(1, stream.Depth);
stream.Push(new byte[] { 0x30, 0x40, 0x50 });
Assert.AreEqual(3, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(2, stream.Depth);
stream.Pop();
Assert.AreEqual(2, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(1, stream.Depth);
stream.Pop();
Assert.AreEqual(0, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(0, stream.Depth);
try {
stream.Pop();
Assert.Fail();
} catch (InvalidOperationException) {
}
}
public void PushCount()
{
InterpreterStream stream = new InterpreterStream();
stream.Push(new byte[] { 0x10, 0x20 }, 0);
Assert.AreEqual(0, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(0, stream.Depth);
stream.Push(new byte[] { 0x10, 0x20 }, 5);
Assert.AreEqual(2, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(5, stream.Depth);
}
public void Push()
{
InterpreterStream stream = new InterpreterStream();
stream.Push(new byte[] { 0x10, 0x20 });
Assert.AreEqual(2, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(1, stream.Depth);
stream.Push(new byte[] { 0x30, 0x40, 0x50 });
Assert.AreEqual(3, stream.Length);
Assert.AreEqual(0, stream.Position);
Assert.AreEqual(2, stream.Depth);
}
public void Length()
{
InterpreterStream stream = new InterpreterStream();
Assert.AreEqual(0, stream.Length);
stream.Push(new byte[] { 0x10, 0x20, 0x30, 0x40, 0x50, 0x60 });
Assert.AreEqual(6, stream.Length);
stream.Push(new byte[] { 0x10, 0x20, 0x30, 0x40 });
Assert.AreEqual(4, stream.Length);
stream.Pop();
Assert.AreEqual(6, stream.Length);
stream.Push(new byte[] { 0x10, 0x20 });
Assert.AreEqual(2, stream.Length);
stream.Pop();
Assert.AreEqual(6, stream.Length);
stream.Pop();
Assert.AreEqual(0, stream.Length);
}
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 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 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());
}
public void PushBytes()
{
InterpreterStack stack = new InterpreterStack();
InterpreterStream stream = new InterpreterStream();
stream.Push(new byte[] { 1, 2, 3, 4, 5 });
int value;
stack.Init(10);
stack.PushBytes(stream, 3);
Assert.AreEqual(3, stack.Depth);
value = stack.Pop();
Assert.AreEqual(3, value);
value = stack.Pop();
Assert.AreEqual(2, value);
value = stack.Pop();
Assert.AreEqual(1, value);
Assert.AreEqual(0, stack.Depth);
}
public void PushWords()
{
InterpreterStack stack = new InterpreterStack();
InterpreterStream stream = new InterpreterStream();
stream.Push(new byte[] { 0, 1, 0, 2, 3, 0, 0xFF, 0xFF });
int value;
stack.Init(10);
stack.PushWords(stream, 4);
Assert.AreEqual(4, stack.Depth);
value = stack.Pop();
Assert.AreEqual(-1, value);
value = stack.Pop();
Assert.AreEqual(0x300, value);
value = stack.Pop();
Assert.AreEqual(2, value);
value = stack.Pop();
Assert.AreEqual(1, value);
Assert.AreEqual(0, stack.Depth);
}