public void Test_Pop_Single()
{
WordNode_Stub_Pass w = new WordNode_Stub_Pass()
{
Word = "Hello"
};
seq.Append(w);
IWordNode r = seq.Pop();
Assert.IsTrue(r.Word == "Hello", "Error: Incorrect value returned");
}
public void Test_Pop_MoreThanOne()
{
WordNode_Stub_Pass w1 = new WordNode_Stub_Pass()
{
Word = "Hello"
};
WordNode_Stub_Pass w2 = new WordNode_Stub_Pass()
{
Word = "Fred"
};
seq.Append(w1);
seq.Append(w2);
IWordNode r = seq.Pop();
Assert.IsTrue(r.Word == "Fred", "Error: Incorrect value returned");
}
public void Test_Pop_Empty()
{
IWordNode w = null;
try
{
w = seq.Pop();
}
catch
{
Console.WriteLine("Exception Detected");
}
finally
{
Assert.IsNull(w);
}
}
public override IWordNode Next()
{
if (IsOpen && !AtEnd)
{
IWordNode ret = words[mcur];
mcur++;
if (mcur == mCount)
{
AtEnd = true;
}
return(ret);
}
else if (!IsOpen)
{
throw new InvalidOperationException("Error: Connection is CLosed");
}
else
{
throw new InvalidOperationException("Error at End of File");
}
}
public override void Write(IWordNode w)
{
Output += w.Word + "\n";
}
public override bool isStepAway(IWordNode node)
{
return(true);
}
