package com.imooc.junit;

import static org.junit.Assert.*;

import java.util.Arrays;
import java.util.Collections;

import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameter;
import org.junit.runners.Parameterized.Parameters;

@RunWith(Parameterized.class)
public class ParameterTest {
?? ?int expection = 0;
?? ?int input01 = 0;
?? ?int input02 = 0;
?? ?
?? ?@Parameters
?? ?public static Collections<Object[]> t() {
?? ??? ?return Arrays.asList(new Object[][]{
?? ??? ??? ??? ?{3,1,2},
?? ??? ??? ??? ?{4,2,2}
?? ??? ?}) ;
?? ?}
?? ?
?? ?public ParameterTest(int expenction,int input01,int input02){
?? ??? ?this.expection = expenction;
?? ??? ?this.input01 = input01;
?? ??? ?this.input02 = input02;
?? ?}
?? ?
?? ?public void testAdd(){
?? ??? ?assertEquals(expection, new Calculate().add(input01, input02));
?? ?}

}

同樣的代碼，Collection不加上s反而報錯更多，小新人不了解，是不是有什么版本問題？（我一模一樣的敲，試過把老師的代碼復制過來，也是報錯）

說是類型無法轉換。。。？

The type Collections is not generic; it cannot be parameterized with arguments <Object[]>