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package com.mengdd.junit;
import junit.framework.Assert;
import junit.framework.TestCase;
public class CalculatorTest extends TestCase
{
public void testAdd()
{
Calculator calculator = new Calculator();
int result = calculator.add(1?? 2);
// ?ж???????????
Assert.assertEquals(3?? result);// ????????????????????????????????????
}
public void testSubtract()
{
Calculator calculator = new Calculator();
int result = calculator.subtract(1?? 2);
// ?ж???????????
Assert.assertEquals(-1?? result);// ????????????????????????????????????
}
public void testMultiply()
{
Calculator calculator = new Calculator();
int result = calculator.multiply(2?? 3);
// ?ж???????????
Assert.assertEquals(6?? result);// ????????????????????????????????????
}
public void testDivide()
{
Calculator calculator = new Calculator();
int result = calculator.divide(12?? 3);
// ?ж???????????
Assert.assertEquals(4?? result);// ????????????????????????????????????
}
}
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????@Override
????public void setUp() throws Exception
????{
????System.out.println("set up");
????}
????@Override
????public void tearDown() throws Exception
????{
????System.out.println("tear down");
????}
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????1.setUp()
????2.testXXX()
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package com.mengdd.junit;
import junit.framework.Assert;
import junit.framework.TestCase;
public class CalculatorTest extends TestCase
{
private Calculator calculator = null;
@Override
public void setUp() throws Exception
{
System.out.println("set up");
// ???????????????
calculator = new Calculator();
System.out.println(calculator);
}
@Override
public void tearDown() throws Exception
{
System.out.println("tear down");
}
public void testAdd()
{
int result = calculator.add(1?? 2);
// ?ж???????????
Assert.assertEquals(3?? result);// ????????????????????????????????????
}
public void testSubtract()
{
int result = calculator.subtract(1?? 2);
// ?ж???????????
Assert.assertEquals(-1?? result);// ????????????????????????????????????
}
public void testMultiply()
{
int result = calculator.multiply(2?? 3);
// ?ж???????????
Assert.assertEquals(6?? result);// ????????????????????????????????????
}
public void testDivide()
{
int result = calculator.divide(12?? 3);
// ?ж???????????
Assert.assertEquals(4?? result);// ????????????????????????????????????
}
}
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