JUnit Parameterized Test

package com.farukbozan.jfr.junit;import java.util.ArrayList;
import java.util.Collection;
import org.junit.After;
import org.junit.AfterClass;
import static org.junit.Assert.assertEquals;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;@RunWith(Parameterized.class)
public class ParameterTest {

private static Parameter instance = null;
private int expected = 0;
private int value1 = 0;
private int value2 = 0;

public ParameterTest(int expected, int value1, int value2) {
this.expected = expected;
this.value1 = value1;
this.value2 = value2;
}

@Parameters
public static Collection<Integer[]> getTestParameters() {
ArrayList<Integer[]> list = new ArrayList<>();
list.add(new Integer[]{3, 2, 1});
list.add(new Integer[]{5, 2, 3});
list.add(new Integer[]{10, 6, 1});
return list;
}

@BeforeClass
public static void setUpClass() {
instance = new Parameter();
}

@AfterClass
public static void tearDownClass() {
instance = null;
}

@Before
public void setUp() {
}

@After
public void tearDown() {
}

@Test
public void testAdd() {
int result = instance.add(value1, value2);
assertEquals(expected, result);
}

}