public void TestCTwoNodeSecondNpl()
{
LeftistTree <int> child = new LeftistTree <int>(2, null, null);
LeftistTree <int> t = new LeftistTree <int>(5, null, child);
Assert.That(LeftistTree <int> .NullPathLength(t), Is.EqualTo(1));
}
public void TestEThreeNodeNpl()
{
LeftistTree <int> child1 = new LeftistTree <int>(8, null, null);
LeftistTree <int> child2 = new LeftistTree <int>(3, null, null);
LeftistTree <int> t = new LeftistTree <int>(4, child1, child2);
Assert.That(LeftistTree <int> .NullPathLength(t), Is.EqualTo(2));
}
public void TestBSingleNodeNpl()
{
Assert.That(LeftistTree <int> .NullPathLength(new LeftistTree <int>(7, null, null)), Is.EqualTo(1));
}
public void TestAEmptyNpl()
{
Assert.That(LeftistTree <string> .NullPathLength(null), Is.EqualTo(0));
}