package junitparams; import static org.assertj.core.api.Assertions.*; import java.util.HashSet; import java.util.Set; import org.junit.AfterClass; import org.junit.Test; import org.junit.runner.RunWith; @RunWith(JUnitParamsRunner.class) public class ParametersForEnumTest { private static Set testedFruits = new HashSet(); @AfterClass public static void checkAllFruitsTested() { assertThat(testedFruits).contains(Fruit.class.getEnumConstants()); } @Test @Parameters(source = Fruit.class) public void testAFruit(Fruit fruit) throws Exception { testedFruits.add(fruit); } public enum Fruit { APPLE, BANANA, PEAR, PLUM } }