Junitテスト例1
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Junit :
1)keep the bar green to keep the code clean!!!
2) , !!!
package com.zyg.test.junit3;
package com.zyg.test.junit3;
import junit.framework.Assert;
import junit.framework.TestCase;
/**
* junit3.8 Test
* @author zyg
*/
public class CalculatorTest extends TestCase{
/**
* junit3.8
* 1.public
* 2.void
* 3.
* 4. test
*/
public void testAdd(){
Calculator cal = new Calculator();
int result = cal.add(1, 2);
//
Assert.assertEquals(3,result);
}
public void testMinus(){
Calculator cal = new Calculator();
int result = cal.minus(1, 2);
Assert.assertEquals(-1, result);
}
public void testMultiply(){
Calculator cal = new Calculator();
int result = cal.multiply(2, 3);
//
Assert.assertEquals(6, result);
}
public void testDivide(){
Calculator cal = new Calculator();
int result = 0;
try {
result = cal.divide(6, 4);
} catch (Exception e) {
e.printStackTrace();
Assert.fail();
}
//
Assert.assertEquals(1,result);
}
public void testDivide2(){
Throwable tx = null;
try{
Calculator cal = new Calculator();
cal.divide(4, 0);
Assert.fail();
}catch(Exception ex){
tx = ex;
}
System.out.println(tx.getMessage());
Assert.assertNotNull(tx);
Assert.assertEquals(Exception.class, tx.getClass());
Assert.assertEquals(" !!",tx.getMessage());
}
}
/**
*
*
* @author zyg
*
*/
public class Calculator {
public int add(int a, int b) {
return a + b;
}
public int minus(int a, int b) {
return a - b;
}
public int multiply(int a, int b) {
return a * b;
}
public int divide(int a, int b) throws Exception{
if(0 == b){
throw new Exception(" !!");
}
return a / b;
}
}
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