public virtual void TestRightTransition()
{
State state = BuildState(2);
BinaryTransition transition = new BinaryTransition("NP", BinaryTransition.Side.Right);
state = transition.Apply(state);
NUnit.Framework.Assert.AreEqual(2, state.tokenPosition);
NUnit.Framework.Assert.AreEqual(1, state.stack.Size());
NUnit.Framework.Assert.AreEqual(2, state.stack.Peek().Children().Length);
NUnit.Framework.Assert.AreEqual("NP", state.stack.Peek().Value());
CheckHeads(state.stack.Peek(), state.stack.Peek().Children()[1]);
}
public virtual void TestBinarySide()
{
string[] words = new string[] { "This", "is", "a", "short", "test", "." };
string[] tags = new string[] { "DT", "VBZ", "DT", "JJ", "NN", "." };
NUnit.Framework.Assert.AreEqual(words.Length, tags.Length);
IList <TaggedWord> sentence = SentenceUtils.ToTaggedList(Arrays.AsList(words), Arrays.AsList(tags));
State state = ShiftReduceParser.InitialStateFromTaggedSentence(sentence);
ShiftTransition shift = new ShiftTransition();
state = shift.Apply(shift.Apply(state));
BinaryTransition transition = new BinaryTransition("NP", BinaryTransition.Side.Right);
State next = transition.Apply(state);
NUnit.Framework.Assert.AreEqual(BinaryTransition.Side.Right, ShiftReduceUtils.GetBinarySide(next.stack.Peek()));
transition = new BinaryTransition("NP", BinaryTransition.Side.Left);
next = transition.Apply(state);
NUnit.Framework.Assert.AreEqual(BinaryTransition.Side.Left, ShiftReduceUtils.GetBinarySide(next.stack.Peek()));
}
