--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/reflect/AccessibleObject/TrySetAccessibleTest.java Fri Feb 10 09:04:39 2017 +0000
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2017, 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.
+ */
+
+/**
+ * @test
+ * @build TrySetAccessibleTest
+ * @modules java.base/java.lang:open
+ * java.base/jdk.internal.perf
+ * java.base/jdk.internal.misc:+open
+ * @run testng TrySetAccessibleTest
+ * @summary Test AccessibleObject::trySetAccessible method
+ */
+
+import java.lang.reflect.AccessibleObject;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import jdk.internal.misc.Unsafe;
+import jdk.internal.perf.Perf;
+
+import org.testng.annotations.Test;
+import static org.testng.Assert.*;
+
+@Test
+public class TrySetAccessibleTest {
+ /**
+ * Invoke a private constructor on a public class in an exported package
+ */
+ public void testPrivateConstructorInExportedPackage() throws Exception {
+ Constructor<?> ctor = Perf.class.getDeclaredConstructor();
+
+ try {
+ ctor.newInstance();
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertFalse(ctor.trySetAccessible());
+ assertFalse(ctor.canAccess(null));
+ }
+
+ /**
+ * Invoke a private constructor on a public class in an open package
+ */
+ public void testPrivateConstructorInOpenedPackage() throws Exception {
+ Constructor<?> ctor = Unsafe.class.getDeclaredConstructor();
+
+ try {
+ ctor.newInstance();
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertTrue(ctor.trySetAccessible());
+ assertTrue(ctor.canAccess(null));
+ Unsafe unsafe = (Unsafe) ctor.newInstance();
+ }
+
+ /**
+ * Invoke a private method on a public class in an exported package
+ */
+ public void testPrivateMethodInExportedPackage() throws Exception {
+ Method m = Perf.class.getDeclaredMethod("getBytes", String.class);
+ try {
+ m.invoke(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertFalse(m.trySetAccessible());
+ assertFalse(m.canAccess(null));
+ }
+
+
+ /**
+ * Invoke a private method on a public class in an open package
+ */
+ public void testPrivateMethodInOpenedPackage() throws Exception {
+ Method m = Unsafe.class.getDeclaredMethod("throwIllegalAccessError");
+ assertFalse(m.canAccess(null));
+
+ try {
+ m.invoke(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertTrue(m.trySetAccessible());
+ assertTrue(m.canAccess(null));
+ try {
+ m.invoke(null);
+ assertTrue(false);
+ } catch (InvocationTargetException e) {
+ // thrown by throwIllegalAccessError
+ assertTrue(e.getCause() instanceof IllegalAccessError);
+ }
+ }
+
+ /**
+ * Invoke a private method on a public class in an exported package
+ */
+ public void testPrivateFieldInExportedPackage() throws Exception {
+ Field f = Perf.class.getDeclaredField("instance");
+ try {
+ f.get(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertFalse(f.trySetAccessible());
+ assertFalse(f.canAccess(null));
+ try {
+ f.get(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) {}
+ }
+
+ /**
+ * Access a private field in a public class that is an exported package
+ */
+ public void testPrivateFieldInOpenedPackage() throws Exception {
+ Field f = Unsafe.class.getDeclaredField("theUnsafe");
+
+ try {
+ f.get(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertTrue(f.trySetAccessible());
+ assertTrue(f.canAccess(null));
+ Unsafe unsafe = (Unsafe) f.get(null);
+ }
+
+
+ /**
+ * Invoke a public constructor on a public class in a non-exported package
+ */
+ public void testPublicConstructorInNonExportedPackage() throws Exception {
+ Class<?> clazz = Class.forName("sun.security.x509.X500Name");
+ Constructor<?> ctor = clazz.getConstructor(String.class);
+
+ try {
+ ctor.newInstance("cn=duke");
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertFalse(ctor.trySetAccessible());
+ assertFalse(ctor.canAccess(null));
+ assertTrue(ctor.trySetAccessible() == ctor.isAccessible());
+ }
+
+
+ /**
+ * Access a public field in a public class that in a non-exported package
+ */
+ public void testPublicFieldInNonExportedPackage() throws Exception {
+ Class<?> clazz = Class.forName("sun.security.x509.X500Name");
+ Field f = clazz.getField("SERIALNUMBER_OID");
+
+ try {
+ f.get(null);
+ assertTrue(false);
+ } catch (IllegalAccessException expected) { }
+
+ assertFalse(f.trySetAccessible());
+ assertFalse(f.canAccess(null));
+ }
+
+
+ /**
+ * Test that the Class constructor cannot be make accessible.
+ */
+ public void testJavaLangClass() throws Exception {
+
+ // non-public constructor
+ Constructor<?> ctor
+ = Class.class.getDeclaredConstructor(ClassLoader.class, Class.class);
+ AccessibleObject[] ctors = { ctor };
+
+ assertFalse(ctor.trySetAccessible());
+ assertFalse(ctor.canAccess(null));
+ }
+
+}