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- /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
- package org.dcevm.test.structural;
-
- import org.dcevm.test.TestUtil;
- import org.junit.*;
-
- import static org.dcevm.test.util.HotSwapTestHelper.__toVersion__;
- import static org.dcevm.test.util.HotSwapTestHelper.__version__;
- import static org.junit.Assert.*;
-
- /**
- * Tests for adding an interface to a class and for changing the methods of an interface.
- *
- * @author Thomas Wuerthinger
- */
- public class InterfaceTest {
-
- @BeforeClass
- public static void setUpBeforeClass() throws Exception {
- }
-
- @AfterClass
- public static void tearDownAfterClass() throws Exception {
- }
-
- @Before
- public void setUp() throws Exception {
- __toVersion__(0);
- }
-
- @After
- public void tearDown() throws Exception {
- }
-
- public static interface A {
-
- int giveMeFive();
- }
-
- public static class AImpl {
-
- public int giveMeFive() {
- return 5;
- }
- }
-
- public static class BImpl implements A {
-
- @Override
- public int giveMeFive() {
- return 5;
- }
-
- public int giveMeTen() {
- return 10;
- }
- }
-
- public static class AImpl___1 implements A {
-
- @Override
- public int giveMeFive() {
- return 5;
- }
- }
-
- public static interface A___2 {
-
- int giveMeTen();
- }
-
- public static class Helper {
-
- public int giveMeTenA2(A a) {
- return 3;
- }
- }
-
- public static class Helper___2 {
-
- public int giveMeTenA2(A a) {
- return ((A___2) a).giveMeTen();
- }
- }
-
- @Test
- public void testAddInterface() {
-
- modifyInterface();
- assert __version__() == 0;
-
- AImpl a = new AImpl();
- assertFalse(a instanceof A);
- try {
- int val = (((A) a).giveMeFive());
- fail();
- } catch (ClassCastException e) {
- }
-
- __toVersion__(1);
- assertTrue(a instanceof A);
- assertEquals(5, ((A) a).giveMeFive());
-
- TestUtil.assertUnsupportedToVersionWithLight(InterfaceTest.class, 0);
- }
-
- public void modifyInterface() {
-
- assert __version__() == 0;
-
- BImpl b = new BImpl();
- assertTrue(b instanceof A);
-
- __toVersion__(2);
-
- assertEquals(10, new Helper().giveMeTenA2(b));
-
- __toVersion__(0);
- assertEquals(5, ((A) b).giveMeFive());
- }
- }
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