MaxNumberParametrizedTest.java

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;
import org.junit.runners.Parameterized.Parameters;

import java.util.Arrays;
import java.util.Collection;

import static org.junit.Assert.assertEquals;

@RunWith(Parameterized.class)
public class MaxNumberParametrizedTest {

    private final int input1;

    private final int input2;

    private final int expectedResult;

    public MaxNumberParametrizedTest(int input1, int input2, int expectedResult) {
        this.input1 = input1;
        this.input2 = input2;
        this.expectedResult = expectedResult;
    }

    @Parameters(name = "{index}: Math.max({0}, {1}) = {2}")
    public static Collection<Object[]> data() {
        return Arrays.asList(new Object[][] {
                { 0, 0, 0}, {1, 0, 1}, {2, 5, 5}, {10, 10, 10}
        });
    }

    @Test
    public void maximumOfTwoNumbers() {
        assertEquals(expectedResult, Math.max(input1, input2));
    }

}