@Test(expectedExceptions = IllegalArgumentException.class) public void TestMergingSuperClass() { final TestMergeableMetric instance1 = new TestMergeableMetric(); final TestDerivedMergableMetric instance2 = new TestDerivedMergableMetric(); instance2.merge(instance1); }
@Test public void TestCanMerge() { final TestMergeableMetric instance1 = new TestMergeableMetric(); instance1.unboxedInt = 1; final TestDerivedMergableMetric instance2 = new TestDerivedMergableMetric(); instance2.unboxedInt = 2; instance1.merge(instance2); Assert.assertEquals(instance1.unboxedInt, 3); }