JUnit测试常用断言
package com.junit.main;
import static org.junit.jupiter.api.Assertions.*;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
class MyTest {
String t1="hello";
String t2="world";
int num1=1;
int num2=2;
int[] arr1=new int[] {1,2,3};
int[] arr2=new int[] {1,2,3};
double dnum1=1.0;
double dnum2=1.9;
Object ob1=null;
Object ob2="hahaha";
@BeforeEach
void setUp() throws Exception {
}
@AfterEach
void tearDown() throws Exception {
}
@Test
void testAssertEquals() {
//fail("Not yet implemented");
assertEquals(num1, num1); //num1和num1相等
assertNotEquals(num1, num2); //num1和num2不相等
assertEquals(dnum1, dnum2, 1.0); //dnum1和dnum2的误差为0.9在范围在1.0之内
}
@Test
void testAssertTrue() {
assertTrue(num1!=num2);//num1!=num2为true
assertFalse(num1==num2);//num1==num2为false
}
@Test
void testAssertSame() {
assertSame(t1, t1); //t1和t1引用同一对象
assertNotSame(t1, t2); //t1和t2引用不同对象
}
@Test
void testAssertArrayEquals() {
assertArrayEquals(arr1, arr2); //arr1和arr2的数组内容相同
}
@Test
void testAssertNull() {
assertNull(ob1); //ob1为null
assertNotNull(ob2); //ob2不空
}
}