package com.circle.collection;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Created by keweiyang on 2017/2/25.
*/
public class StackTest {
private Stack stack = null;
@Test
public void push() throws Exception {
stack = new Stack();
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
System.out.println(stack.pop());
}
@Test
public void pop() throws Exception {
stack = new Stack();
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
stack.pop();
System.out.println(stack.pop());
}
@Test
public void peek() throws Exception {
stack = new Stack();
stack.push(1);
stack.push(2);
stack.push(3);
stack.push(4);
System.out.println(stack.peek());
}
@Test
public void isEmpty() throws Exception {
stack = new Stack();
System.out.println(stack.isEmpty());
}
@Test
public void size() throws Exception {
stack = new Stack();
stack.push(1);
System.out.println(stack.size());
}
}