JUnit参数化的例子

import static org.junit.Assert.assertEquals;import java.util.Arrays;import java.util.Collection;import org.junit.Test;import org.junit.runner.RunWith;import org.junit.runners.Parameterized;import org.junit.runners.Parameterized.Parameters;/** * A sample parameterized test-case. *  * @version $Id: ParameterizedTest.java 551 2010-03-06 11:37:34Z paranoid12 $ */@RunWith(value=Parameterized.class)@RunWith(value=Parameterized.class)public class ParameterizedTest {    private double expected;     private double valueOne;     private double valueTwo;     @Parameters     public static Collection<Integer[]> getTestParameters() {       return Arrays.asList(new Integer[][] {          {2, 1, 1},  //expected, valueOne, valueTwo             {3, 2, 1},  //expected, valueOne, valueTwo             {4, 3, 1},  //expected, valueOne, valueTwo          });    }    public ParameterizedTest(double expected,        double valueOne, double valueTwo) {       this.expected = expected;       this.valueOne = valueOne;       this.valueTwo = valueTwo;    }    @Test    public void sum() {       Calculator calc = new Calculator();       assertEquals(expected, calc.add(valueOne, valueTwo), 0);    } }