public void RangeTest()
{
//Arrange
var bst = new BinarySearchTree<int, string>();
var testData = new[]
{
new KeyValuePair<int, string>(5, "A"),
new KeyValuePair<int, string>(3, "B"),
new KeyValuePair<int, string>(6, "C"),
new KeyValuePair<int, string>(2, "D"),
new KeyValuePair<int, string>(7, "E"),
new KeyValuePair<int, string>(4, "F"),
};
//Act
testData.All(t =>
{
bst.Add(t.Key, t.Value);
return true;
});
var resultList = bst.Range(4, 7).ToList();
//Assert
Assert.AreEqual(resultList.Count, 4);
Assert.AreEqual(resultList[0].Key, 4);
Assert.AreEqual(resultList[1].Key, 5);
Assert.AreEqual(resultList[2].Key, 6);
Assert.AreEqual(resultList[3].Key, 7);
}