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Assume that you want to test the class ArrayList of java.util with the following...
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Assume that you want to test the class ArrayList of java.util with the following JUnit test class:
class TestArrayList { ArrayList<Integer> al; @BeforeEach void setUp() throws Exception { al = new ArrayList<>(); al.add(10); al.add(20); al.add(30); } @AfterEach void tearDown() throws Exception { } @Test void test1() { al.add(1); assertEquals(1,al.get(0)); } @Test void test2() { al.add(1); assertFalse(al.contains(1)); } @Test void test3() { assertTrue(al.contains(20)); } @Test void test4() { al.clear(); assertEquals(10,al.get(0)); }}
Which of the test cases result in a success?
a) test1()
b) test2()
c) test3()
d) test4()