public void IsValidBinarySearchTree_ForValidTree_ReturnsTrue()
{
//proper bst
BinarySearchTree tree = TreeFactory.CreateValidBST();
Assert.IsTrue(tree.IsValidBinarySearchTree());
}
public void Delete_Always_MaintainsBSTProperties()
{
//proper bst
BinarySearchTree tree = TreeFactory.CreateValidBST();
tree.DeleteNode(tree.Root);
//Assumption- IsValidBinarySearchTree works properly, its tested in other method
Assert.IsTrue(tree.IsValidBinarySearchTree(), "Delete doesnt maintain bst or IsValidBST failed");
}
