package com.coding.basic;
import static org.assertj.core.api.Assertions.*;
import org.junit.Test;
/**
* Created by qilei on 17/2/25.
*/
public class StackTest {
@Test
public void push() throws Exception {
Stack s = new Stack();
s.push("a");
assertThat(s.size()).isEqualTo(1);
assertThat(s.peek()).isEqualTo("a");
}
@Test
public void pop() throws Exception {
Stack s = new Stack();
s.push("a");
s.push("b");
Object pop = s.pop();
assertThat(pop).isEqualTo("b");
}
}