测试类生成截图

测试类名，勾选测试方法

　　会在测试类的包中自动生成测试类
package com.example.news;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Created by 小新 on 2016/7/1.
*/
public class CalculatorTest {
@Before
public void setUp() throws Exception {
}
@Test
public void testSum() throws Exception {
}
@Test
public void testSubstract() throws Exception {
}
@Test
public void testDivide() throws Exception {
}
@Test
public void testMultiply() throws Exception {
}
@Test
public void testAddMore() throws Exception {
}
}
　　然后进行测试
package com.example.news;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.*;
/**
* Created by 小新 on 2016/7/1.
*/
public class CalculatorTest1 {
private Calculator calculator;
@Before
public void setUp() throws Exception {
calculator = new Calculator();
}
@Test
public void testSum() throws Exception {
//测试sum函数，因为sum函数返回的是两个数的合为3
//这里期望返回的值是9
//所以会报错
assertEquals(9d，calculator.sum(1d，2d)，0);
}
@Test
public void testSubstract() throws Exception {
}
@Test
public void testDivide() throws Exception {
}
@Test
public void testMultiply() throws Exception {
}
@Test
public void testAddMore() throws Exception {
}
}
　　运行这个类，结果为报错，这个时候我们需要修改函数了
　　到这里我们JUnix的简单测试结束了