package ch14;

import datatype.TreeNode;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;

class P47Test {

@Test

void P47_1() {

P47_1 s = new P47_1();

assertEquals(3,

s.maxDepth(new TreeNode(new Integer[]{3, 9, 20, null, null, 15, 7})));

}

@Test

void P47_2() {

P47_2 s = new P47_2();

assertEquals(3,

s.maxDepth(new TreeNode(new Integer[]{3, 9, 20, null, null, 15, 7})));

}

@Test

void P47_3() {

P47_3 s = new P47_3();

assertEquals(3,

s.maxDepth(new TreeNode(new Integer[]{3, 9, 20, null, null, 15, 7})));

}

}