package week1.collectiontest;
import static org.junit.Assert.*;
import org.junit.Before;
import org.junit.Test;
import week1.collections.Stack;
public class StackTest {
Stack stack = null;
@Before
public void init(){
stack = new Stack();
for(int i=1;i<=10;i++){
stack.push(i);
}
}
@Test
public void test1(){
assertEquals(stack.peek(), 10);
assertEquals(stack.peek(), 10);
assertEquals(stack.peek(), 10);
assertEquals(stack.pop(), 10);
assertEquals(stack.pop(), 9);
assertEquals(stack.size(), 8);
}
@Test
public void test2(){
for(int i=10;i>=1;i--){
assertEquals(stack.pop(), i);
}
assertEquals(stack.isEmpty(), true);
}
}