public void TreeIsABst()
{
var tree = Utilities.BuildBst();
var expected = true;
var actual = IsTreeABstSolution.IsTreeABst(tree);
Assert.Equal(expected, actual);
}
public void TreeIsNotABst()
{
var root = new TreeNode <int>(19);
root.Left = new TreeNode <int>(7);
root.Right = new TreeNode <int>(15);
root.Left.Left = new TreeNode <int>(3);
root.Left.Right = new TreeNode <int>(11);
root.Right.Left = new TreeNode <int>(23);
root.Right.Right = new TreeNode <int>(47);
var expected = false;
var actual = IsTreeABstSolution.IsTreeABst(root);
Assert.Equal(expected, actual);
}