+++ /dev/null
-/*
- * 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 com.github.dcevm.test.fields;
-
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-
-import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
-import static org.junit.Assert.assertEquals;
-
-/**
- * Test for replacing field with MethodHandle pointing to it.
- *
- * Technically, should work for Java 7, but currently is not supported in Java 7.
- *
- * @author Ivan Dubrov
- */
-public class InstanceFieldHandleTest {
-
- // Version 0
- public static class A {
- public int fieldA;
- public int fieldB;
-
- public int getFieldA() {
- return -1;
- }
- }
-
- // Version 1 (fields swapped and new one is added)
- public static class A___1 {
- public int fieldB;
- public int fieldA;
- public String fieldC;
-
- public int getFieldA() {
- return fieldA;
- }
- }
-
- // Version 2 (fields removed)
- public static class A___2 {
- }
-
- // Version 3 (field type changed)
- public static class A___3 {
- public String fieldA;
- public int fieldB;
- }
-
- @Before
- @After
- public void setUp() throws Exception {
- __toVersion__(0);
- }
-
- @Test
- public void testFieldChangeOrder() throws Throwable {
- A a = new A();
- MethodHandle getter = MethodHandles.publicLookup().findGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findSetter(A.class, "fieldA", int.class);
-
- a.fieldA = 3;
- assertEquals(3, getter.invoke(a));
-
- // Swap fields
- __toVersion__(1);
-
- assertEquals(3, getter.invoke(a));
- setter.invoke(a, 53);
- assertEquals(53, a.getFieldA());
- assertEquals(53, getter.invoke(a));
- }
-
- @Test
- public void testFieldRemoved() throws Throwable {
- A a = new A();
- MethodHandle getter = MethodHandles.publicLookup().findGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findSetter(A.class, "fieldA", int.class);
-
- a.fieldA = 3;
- assertEquals(3, getter.invoke(a));
-
- // Remove fieldA
- __toVersion__(2);
-
- try {
- getter.invoke(a);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
-
- try {
- setter.invoke(a, 10);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
- }
-
- @Test
- public void testFieldTypeChange() throws Throwable {
- A a = new A();
- MethodHandle getter = MethodHandles.publicLookup().findGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findSetter(A.class, "fieldA", int.class);
-
- a.fieldA = 3;
- assertEquals(3, getter.invoke(a));
-
- // Remove fieldA
- __toVersion__(3);
-
- try {
- getter.invoke(a);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
-
- try {
- setter.invoke(a, 10);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
- }
-}
\ No newline at end of file
+++ /dev/null
-/*
- * 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 com.github.dcevm.test.fields;
-
-import org.junit.After;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.Test;
-
-import java.lang.invoke.MethodHandle;
-import java.lang.invoke.MethodHandles;
-
-import static com.github.dcevm.test.util.HotSwapTestHelper.__toVersion__;
-import static org.junit.Assert.assertEquals;
-
-/**
- * Test for replacing field with MethodHandle pointing to it.
- *
- * Technically, should work for Java 7, but currently is not supported in Java 7.
- *
- * @author Ivan Dubrov
- */
-public class StaticFieldHandleTest {
-
- // Version 0
- public static class A {
- public static int fieldA;
- public static int fieldB;
-
- public static int getFieldA() {
- return -1;
- }
- }
-
- // Version 1 (fields swapped)
- public static class A___1 {
- public static int fieldB;
- public static int fieldA;
- public static String fieldC;
-
- public static int getFieldA() {
- return fieldA;
- }
- }
-
- // Version 2 (fields removed)
- public static class A___2 {
- }
-
- // Version 3 (field type changed)
- public static class A___3 {
- public static String fieldA;
- public static int fieldB;
- }
-
- @Before
- @After
- public void setUp() throws Exception {
- __toVersion__(0);
- }
-
- @Test
- public void testStaticFieldChangeOrder() throws Throwable {
- MethodHandle getter = MethodHandles.publicLookup().findStaticGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findStaticSetter(A.class, "fieldA", int.class);
-
- A.fieldA = 3;
- A.fieldB = 5;
- assertEquals(3, getter.invoke());
-
- // Swap fields A and B
- __toVersion__(1);
-
- assertEquals(3, getter.invoke());
- setter.invoke(12);
- assertEquals(12, A.getFieldA());
- assertEquals(12, getter.invoke());
- }
-
- @Test
- public void testStaticFieldRemoved() throws Throwable {
- MethodHandle getter = MethodHandles.publicLookup().findStaticGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findStaticSetter(A.class, "fieldA", int.class);
-
- A.fieldA = 3;
- A.fieldB = 5;
- assertEquals(3, getter.invoke());
-
- // Remove fieldA
- __toVersion__(2);
-
- try {
- getter.invoke();
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
-
- try {
- setter.invoke(15);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
- }
-
- @Test
- public void testStaticFieldTypeChange() throws Throwable {
- MethodHandle getter = MethodHandles.publicLookup().findStaticGetter(A.class, "fieldA", int.class);
- MethodHandle setter = MethodHandles.publicLookup().findStaticSetter(A.class, "fieldA", int.class);
-
- A.fieldA = 3;
- A.fieldB = 5;
- assertEquals(3, getter.invoke());
-
- // Remove fieldA
- __toVersion__(3);
-
- try {
- getter.invoke();
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
-
- try {
- setter.invoke(15);
- Assert.fail("Handle should have been cleared!");
- } catch (NullPointerException e) {
- // Handle was cleared!
- }
- }
-}
\ No newline at end of file
projects / dcevm.git / commitdiff