public void CheckHeight_Unbalanced_MinValue()
{
var actual = TreeExtensions.CheckHeight(CreateTwoLevelsUnbalanced());
Assert.AreEqual(int.MinValue, actual);
actual = TreeExtensions.CheckHeight(CreateThreeLevelsUnbalanced());
Assert.AreEqual(int.MinValue, actual);
}
public void CheckHeight_Balanced_Zero()
{
var actual = TreeExtensions.CheckHeight(CreateOneNode());
Assert.AreEqual(0, actual);
actual = TreeExtensions.CheckHeight(CreateTwoLevels());
Assert.AreEqual(1, actual);
actual = TreeExtensions.CheckHeight(CreateThreeLevels());
Assert.AreEqual(2, actual);
}
public void CheckHeight_Null_NegativeOne()
{
var actual = TreeExtensions.CheckHeight <int>(null);
Assert.AreEqual(-1, actual);
}