406 lines
16 KiB
Java
406 lines
16 KiB
Java
/*
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* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
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* Copyright (c) 2018 SAP SE. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/**
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* @test
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* @summary Test messages of IllegalAccessError.
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* @modules java.base/java.lang:open
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* java.base/jdk.internal.org.objectweb.asm
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* @compile IAE_Loader1.java IAE_Loader2.java IAE78_A.java IAE78_B.java
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* IllegalAccessErrorTest.java
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* @run main/othervm -Xbootclasspath/a:. test.IllegalAccessErrorTest
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*/
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// Put this test into a package so we see qualified class names in
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// the error messages. Verify that classes are printed with '.' instead
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// of '/'.
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package test;
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import java.lang.reflect.*;
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import java.lang.invoke.MethodHandles.Lookup;
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import static java.lang.invoke.MethodHandles.*;
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import static java.lang.invoke.MethodHandles.Lookup.*;
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import java.security.*;
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import jdk.internal.org.objectweb.asm.ClassWriter;
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import jdk.internal.org.objectweb.asm.MethodVisitor;
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import static jdk.internal.org.objectweb.asm.Opcodes.*;
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import test.*;
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abstract public class IllegalAccessErrorTest {
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// interface
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private static String expectedErrorMessage1a_1 =
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"class test.IAE1_B cannot access its superinterface test.IAE1_A " +
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"(test.IAE1_B is in unnamed module of loader test.IAE_Loader1 @";
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private static String expectedErrorMessage1a_2 =
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"; test.IAE1_A is in unnamed module of loader 'app')";
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private static String expectedErrorMessage1b_1 =
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"class test.IAE1_B cannot access its superinterface test.IAE1_A " +
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"(test.IAE1_B is in unnamed module of loader 'someCLName1' @";
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private static String expectedErrorMessage1b_2 =
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"; test.IAE1_A is in unnamed module of loader 'app')";
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// abstract class
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private static String expectedErrorMessage2_1 =
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"class test.IAE2_B cannot access its abstract superclass test.IAE2_A " +
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"(test.IAE2_B is in unnamed module of loader 'someCLName2' @";
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private static String expectedErrorMessage2_2 =
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"; test.IAE2_A is in unnamed module of loader 'app')";
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// class
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private static String expectedErrorMessage3_1 =
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"class test.IAE3_B cannot access its superclass test.IAE3_A " +
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"(test.IAE3_B is in unnamed module of loader 'someCLName3' @";
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private static String expectedErrorMessage3_2 =
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"; test.IAE3_A is in unnamed module of loader 'app')";
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public static void test123(String loaderName,
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String expectedErrorMessage_1,
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String expectedErrorMessage_2,
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String testClass) throws Exception {
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String[] classNames = { testClass };
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// Some classes under a new Loader.
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ClassLoader l = new IAE_Loader1(loaderName, classNames);
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try {
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l.loadClass(testClass);
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throw new RuntimeException("Expected IllegalAccessError was not thrown.");
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} catch (IllegalAccessError iae) {
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String errorMsg = iae.getMessage();
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if (!(errorMsg.contains(expectedErrorMessage_1) &&
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errorMsg.contains(expectedErrorMessage_2))) {
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System.out.println("Expected: " + expectedErrorMessage_1 + "@id " + expectedErrorMessage_2 +"\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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} else {
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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}
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// Generate a class file with the given class name. The class implements Runnable
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// with a run method to invokestatic the given targetClass/targetMethod.
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static byte[] iae4_generateRunner(String className,
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String targetClass,
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String targetMethod) throws Exception {
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
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+ ClassWriter.COMPUTE_FRAMES);
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cw.visit(V9,
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ACC_PUBLIC + ACC_SUPER,
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className.replace(".", "/"),
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null,
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"java/lang/Object",
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new String[] { "java/lang/Runnable" });
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// <init>
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MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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// run()
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String tc = targetClass.replace(".", "/");
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mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
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mv.visitMethodInsn(INVOKESTATIC, tc, targetMethod, "()V", false);
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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cw.visitEnd();
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return cw.toByteArray();
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}
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// Private method that should raise IllegalAccessError when called.
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private static void iae4_m() { }
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private static String expectedErrorMessage4 =
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"class test.Runner4 tried to access private method 'void test.IllegalAccessErrorTest.iae4_m()' " +
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"(test.Runner4 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";
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// Test according to java/lang/invoke/DefineClassTest.java
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public static void test4_privateMethod() throws Exception {
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final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
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final String THIS_CLASS = IllegalAccessErrorTest.class.getName();
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final String CLASS_NAME = THIS_PACKAGE + ".Runner4";
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Lookup lookup = lookup();
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// private
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byte[] classBytes = iae4_generateRunner(CLASS_NAME, THIS_CLASS, "iae4_m");
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Class<?> clazz = lookup.defineClass(classBytes);
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Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
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try {
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r.run();
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throw new RuntimeException("Expected IllegalAccessError was not thrown.");
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} catch (IllegalAccessError exc) {
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String errorMsg = exc.getMessage();
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if (!errorMsg.equals(expectedErrorMessage4)) {
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System.out.println("Expected: " + expectedErrorMessage4 + "\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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}
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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// Generate a class file with the given class name. The class implements Runnable
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// with a run method to invokestatic the given targetClass/targetField.
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static byte[] iae5_generateRunner(String className,
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String targetClass,
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String targetField) throws Exception {
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ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
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+ ClassWriter.COMPUTE_FRAMES);
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cw.visit(V9,
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ACC_PUBLIC + ACC_SUPER,
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className.replace(".", "/"),
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null,
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"java/lang/Object",
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new String[] { "java/lang/Runnable" });
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// <init>
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MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
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mv.visitVarInsn(ALOAD, 0);
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mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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// run()
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String tc = targetClass.replace(".", "/");
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mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
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mv.visitFieldInsn(GETSTATIC, tc, targetField, "I");
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mv.visitInsn(RETURN);
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mv.visitMaxs(0, 0);
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mv.visitEnd();
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cw.visitEnd();
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return cw.toByteArray();
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}
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// Private field that should raise IllegalAccessError when accessed.
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private static int iae5_f = 77;
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private static String expectedErrorMessage5 =
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"class test.Runner5 tried to access private field test.IllegalAccessErrorTest.iae5_f " +
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"(test.Runner5 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";
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// Test according to java/lang/invoke/DefineClassTest.java
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public static void test5_privateField() throws Exception {
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final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
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final String THIS_CLASS = IllegalAccessErrorTest.class.getName();
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final String CLASS_NAME = THIS_PACKAGE + ".Runner5";
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Lookup lookup = lookup();
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// private
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byte[] classBytes = iae5_generateRunner(CLASS_NAME, THIS_CLASS, "iae5_f");
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Class<?> clazz = lookup.defineClass(classBytes);
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Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
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try {
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r.run();
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throw new RuntimeException("Expected IllegalAccessError was not thrown.");
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} catch (IllegalAccessError exc) {
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String errorMsg = exc.getMessage();
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if (!errorMsg.equals(expectedErrorMessage5)) {
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System.out.println("Expected: " + expectedErrorMessage5 + "\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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}
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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private static String expectedErrorMessage6 =
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"failed to access class test.IAE6_A from class test.IAE6_B " +
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"(test.IAE6_A is in unnamed module of loader 'app'; test.IAE6_B is in unnamed module of loader 'test6_class_CL' @";
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public static void test6_class() throws Exception {
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ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
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IAE_Loader2 loader = new IAE_Loader2("test6_class_CL", base.getParent(), base, new String[0],
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new String[] { IAE6_A.class.getName() });
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Class<?> cl = loader.loadClass(IAE6_B.class.getName());
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Method m = cl.getDeclaredMethod("create", new Class[0]);
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m.setAccessible(true);
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try {
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m.invoke(null, new Object[0]);
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throw new RuntimeException("Expected IllegalAccessError was not thrown.");
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} catch (InvocationTargetException e) {
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IllegalAccessError iae = (IllegalAccessError) e.getCause();
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String errorMsg = iae.getMessage();
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if (!errorMsg.contains(expectedErrorMessage6)) {
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System.out.println("Expected: " + expectedErrorMessage6 + "id)\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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}
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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private static String expectedErrorMessage7_1 =
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"class test.IAE78_B tried to access method 'void test.IAE78_A.<init>()' " +
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"(test.IAE78_B is in unnamed module of loader 'test7_method_CL' @";
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private static String expectedErrorMessage7_2 =
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"; test.IAE78_A is in unnamed module of loader 'app')";
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// Similar to test4.
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public static void test7_method() throws Exception {
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ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
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IAE_Loader2 loader = new IAE_Loader2("test7_method_CL", base.getParent(), base, new String[0],
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new String[] {IAE78_A.class.getName()});
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Class<?> cl = loader.loadClass(IAE78_B.class.getName());
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Method m = cl.getDeclaredMethod("create", new Class[0]);
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try {
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m.invoke(null, new Object[0]);
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} catch (InvocationTargetException e) {
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IllegalAccessError iae = (IllegalAccessError) e.getCause();
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String errorMsg = iae.getMessage();
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if (!(errorMsg.contains(expectedErrorMessage7_1) &&
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errorMsg.contains(expectedErrorMessage7_2))) {
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System.out.println("Expected: " + expectedErrorMessage7_1 + "id" + expectedErrorMessage7_2 + "\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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}
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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private static String expectedErrorMessage8_1 =
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"class test.IAE78_B tried to access field test.IAE78_A.f " +
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"(test.IAE78_B is in unnamed module of loader 'test8_field_CL' @";
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private static String expectedErrorMessage8_2 =
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"; test.IAE78_A is in unnamed module of loader 'app')";
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// Similar to test5.
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public static void test8_field() throws Exception {
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ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
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IAE_Loader2 loader = new IAE_Loader2("test8_field_CL", base.getParent(), base, new String[0],
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new String[] { IAE78_A.class.getName() });
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Class<?> cl = loader.loadClass(IAE78_B.class.getName());
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Method m = cl.getDeclaredMethod("access", new Class[0]);
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try {
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m.invoke(null, new Object[0]);
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}
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catch (InvocationTargetException e) {
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IllegalAccessError iae = (IllegalAccessError) e.getCause();
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String errorMsg = iae.getMessage();
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if (!(errorMsg.contains(expectedErrorMessage8_1) &&
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errorMsg.contains(expectedErrorMessage8_2))) {
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System.out.println("Expected: " + expectedErrorMessage8_1 + "id" + expectedErrorMessage8_2 + "\n" +
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"but got: " + errorMsg);
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throw new RuntimeException("Wrong error message of IllegalAccessError.");
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}
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System.out.println("Passed with message: " + errorMsg);
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}
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}
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public static void main(String[] args) throws Exception {
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test123(null, expectedErrorMessage1a_1, expectedErrorMessage1a_2, "test.IAE1_B"); // interface
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test123("someCLName1", expectedErrorMessage1b_1, expectedErrorMessage1b_2, "test.IAE1_B"); // interface
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test123("someCLName2", expectedErrorMessage2_1, expectedErrorMessage2_2, "test.IAE2_B"); // abstract class
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test123("someCLName3", expectedErrorMessage3_1, expectedErrorMessage3_2, "test.IAE3_B"); // class
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test4_privateMethod();
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test5_privateField();
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test6_class();
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test7_method();
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test8_field();
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}
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}
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// Class hierarchies for test1.
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interface IAE1_A {
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public IAE1_D gen();
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}
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class IAE1_B implements IAE1_A {
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public IAE1_D gen() {
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return null;
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}
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}
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abstract class IAE1_C {
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}
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class IAE1_D extends IAE1_C {
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}
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// Class hierarchies for test2.
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abstract class IAE2_A {
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abstract public IAE2_D gen();
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}
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class IAE2_B extends IAE2_A {
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public IAE2_D gen() {
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return null;
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}
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}
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abstract class IAE2_C {
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}
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class IAE2_D extends IAE2_C {
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}
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// Class hierarchies for test3.
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class IAE3_A {
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public IAE3_D gen() {
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return null;
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};
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}
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class IAE3_B extends IAE3_A {
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public IAE3_D gen() {
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return null;
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}
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}
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abstract class IAE3_C {
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}
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class IAE3_D extends IAE3_C {
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}
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// Class hierarchies for test6.
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class IAE6_A {
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IAE6_A() {
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// Nothing to do.
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}
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}
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class IAE6_B {
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public static void create() {
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new IAE6_A();
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}
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}
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