test/hotspot/jtreg/runtime/exceptionMsgs/IllegalAccessError/IllegalAccessErrorTest.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2018 SAP SE. 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
  * @summary Test messages of IllegalAccessError.
  * @modules java.base/java.lang:open
  *          java.base/jdk.internal.org.objectweb.asm
  * @compile IAE_Loader1.java IAE_Loader2.java IAE78_A.java IAE78_B.java
  *          IllegalAccessErrorTest.java
  * @run main/othervm -Xbootclasspath/a:. test.IllegalAccessErrorTest
  */

 // Put this test into a package so we see qualified class names in
 // the error messages. Verify that classes are printed with '.' instead
 // of '/'.
 package test;

 import java.lang.reflect.*;
 import java.lang.invoke.MethodHandles.Lookup;
 import static java.lang.invoke.MethodHandles.*;
 import static java.lang.invoke.MethodHandles.Lookup.*;
 import java.security.*;

 import jdk.internal.org.objectweb.asm.ClassWriter;
 import jdk.internal.org.objectweb.asm.MethodVisitor;
 import static jdk.internal.org.objectweb.asm.Opcodes.*;

 import test.*;

 abstract public class IllegalAccessErrorTest {

     // interface
     private static String expectedErrorMessage1a_1 =
         "class test.IAE1_B cannot access its superinterface test.IAE1_A " +
         "(test.IAE1_B is in unnamed module of loader test.IAE_Loader1 @";
     private static String expectedErrorMessage1a_2 =
         "; test.IAE1_A is in unnamed module of loader 'app')";
     private static String expectedErrorMessage1b_1 =
         "class test.IAE1_B cannot access its superinterface test.IAE1_A " +
         "(test.IAE1_B is in unnamed module of loader 'someCLName1' @";
     private static String expectedErrorMessage1b_2 =
         "; test.IAE1_A is in unnamed module of loader 'app')";

     // abstract class
     private static String expectedErrorMessage2_1 =
         "class test.IAE2_B cannot access its abstract superclass test.IAE2_A " +
         "(test.IAE2_B is in unnamed module of loader 'someCLName2' @";
     private static String expectedErrorMessage2_2 =
         "; test.IAE2_A is in unnamed module of loader 'app')";

     // class
     private static String expectedErrorMessage3_1 =
         "class test.IAE3_B cannot access its superclass test.IAE3_A " +
         "(test.IAE3_B is in unnamed module of loader 'someCLName3' @";
     private static String expectedErrorMessage3_2 =
         "; test.IAE3_A is in unnamed module of loader 'app')";

     public static void test123(String loaderName,
                                String expectedErrorMessage_1,
                                String expectedErrorMessage_2,
                                String testClass) throws Exception {
         String[] classNames = { testClass };
         // Some classes under a new Loader.
         ClassLoader l = new IAE_Loader1(loaderName, classNames);

         try {
             l.loadClass(testClass);
             throw new RuntimeException("Expected IllegalAccessError was not thrown.");
         } catch (IllegalAccessError iae) {
             String errorMsg = iae.getMessage();
             if (!(errorMsg.contains(expectedErrorMessage_1) &&
                   errorMsg.contains(expectedErrorMessage_2))) {
                 System.out.println("Expected: " + expectedErrorMessage_1 + "@id " + expectedErrorMessage_2 +"\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             } else {
                 System.out.println("Passed with message: " + errorMsg);
             }
         }
     }

     // Generate a class file with the given class name. The class implements Runnable
     // with a run method to invokestatic the given targetClass/targetMethod.
     static byte[] iae4_generateRunner(String className,
                                       String targetClass,
                                       String targetMethod) throws Exception {

         ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
                                          + ClassWriter.COMPUTE_FRAMES);
         cw.visit(V9,
                 ACC_PUBLIC + ACC_SUPER,
                 className.replace(".", "/"),
                 null,
                 "java/lang/Object",
                 new String[] { "java/lang/Runnable" });

         // <init>
         MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
         mv.visitVarInsn(ALOAD, 0);
         mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
         mv.visitInsn(RETURN);
         mv.visitMaxs(0, 0);
         mv.visitEnd();

         // run()
         String tc = targetClass.replace(".", "/");
         mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
         mv.visitMethodInsn(INVOKESTATIC, tc, targetMethod, "()V", false);
         mv.visitInsn(RETURN);
         mv.visitMaxs(0, 0);
         mv.visitEnd();

         cw.visitEnd();
         return cw.toByteArray();
     }

     // Private method that should raise IllegalAccessError when called.
     private static void iae4_m() { }

     private static String expectedErrorMessage4 =
         "class test.Runner4 tried to access private method 'void test.IllegalAccessErrorTest.iae4_m()' " +
         "(test.Runner4 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";

     // Test according to java/lang/invoke/DefineClassTest.java
     public static void test4_privateMethod() throws Exception {
         final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
         final String THIS_CLASS   = IllegalAccessErrorTest.class.getName();
         final String CLASS_NAME   = THIS_PACKAGE + ".Runner4";
         Lookup lookup = lookup();

         // private
         byte[] classBytes = iae4_generateRunner(CLASS_NAME, THIS_CLASS, "iae4_m");
         Class<?> clazz = lookup.defineClass(classBytes);
         Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
         try {
             r.run();
             throw new RuntimeException("Expected IllegalAccessError was not thrown.");
         } catch (IllegalAccessError exc) {
             String errorMsg = exc.getMessage();
             if (!errorMsg.equals(expectedErrorMessage4)) {
                 System.out.println("Expected: " + expectedErrorMessage4 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }

     // Generate a class file with the given class name. The class implements Runnable
     // with a run method to invokestatic the given targetClass/targetField.
     static byte[] iae5_generateRunner(String className,
                                       String targetClass,
                                       String targetField) throws Exception {

         ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
                                          + ClassWriter.COMPUTE_FRAMES);
         cw.visit(V9,
                  ACC_PUBLIC + ACC_SUPER,
                  className.replace(".", "/"),
                  null,
                  "java/lang/Object",
                  new String[] { "java/lang/Runnable" });

         // <init>
         MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
         mv.visitVarInsn(ALOAD, 0);
         mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
         mv.visitInsn(RETURN);
         mv.visitMaxs(0, 0);
         mv.visitEnd();

         // run()
         String tc = targetClass.replace(".", "/");
         mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
         mv.visitFieldInsn(GETSTATIC, tc, targetField, "I");
         mv.visitInsn(RETURN);
         mv.visitMaxs(0, 0);
         mv.visitEnd();

         cw.visitEnd();
         return cw.toByteArray();
     }

     // Private field that should raise IllegalAccessError when accessed.
     private static int iae5_f = 77;

     private static String expectedErrorMessage5 =
         "class test.Runner5 tried to access private field test.IllegalAccessErrorTest.iae5_f " +
         "(test.Runner5 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";

     // Test according to java/lang/invoke/DefineClassTest.java
     public static void test5_privateField() throws Exception {
         final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
         final String THIS_CLASS   = IllegalAccessErrorTest.class.getName();
         final String CLASS_NAME   = THIS_PACKAGE + ".Runner5";
         Lookup lookup = lookup();

         // private
         byte[] classBytes = iae5_generateRunner(CLASS_NAME, THIS_CLASS, "iae5_f");
         Class<?> clazz = lookup.defineClass(classBytes);
         Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
         try {
             r.run();
             throw new RuntimeException("Expected IllegalAccessError was not thrown.");
         } catch (IllegalAccessError exc) {
             String errorMsg = exc.getMessage();
             if (!errorMsg.equals(expectedErrorMessage5)) {
                 System.out.println("Expected: " + expectedErrorMessage5 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }

     private static String expectedErrorMessage6 =
         "failed to access class test.IAE6_A from class test.IAE6_B " +
         "(test.IAE6_A is in unnamed module of loader 'app'; test.IAE6_B is in unnamed module of loader 'test6_class_CL' @";

     public static void test6_class() throws Exception {
         ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
         IAE_Loader2 loader = new IAE_Loader2("test6_class_CL", base.getParent(), base, new String[0],
                 new String[] { IAE6_A.class.getName() });
         Class<?> cl = loader.loadClass(IAE6_B.class.getName());
         Method m = cl.getDeclaredMethod("create", new Class[0]);
         m.setAccessible(true);

         try {
             m.invoke(null, new Object[0]);
             throw new RuntimeException("Expected IllegalAccessError was not thrown.");
         } catch (InvocationTargetException e) {
             IllegalAccessError iae = (IllegalAccessError) e.getCause();
             String errorMsg = iae.getMessage();
             if (!errorMsg.contains(expectedErrorMessage6)) {
                 System.out.println("Expected: " + expectedErrorMessage6 + "id)\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }

     private static String expectedErrorMessage7_1 =
         "class test.IAE78_B tried to access method 'void test.IAE78_A.<init>()' " +
         "(test.IAE78_B is in unnamed module of loader 'test7_method_CL' @";
     private static String expectedErrorMessage7_2 =
         "; test.IAE78_A is in unnamed module of loader 'app')";

     // Similar to test4.
     public static void test7_method() throws Exception {
         ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
         IAE_Loader2 loader = new IAE_Loader2("test7_method_CL", base.getParent(), base, new String[0],
                 new String[] {IAE78_A.class.getName()});
         Class<?> cl = loader.loadClass(IAE78_B.class.getName());
         Method m = cl.getDeclaredMethod("create", new Class[0]);

         try {
             m.invoke(null, new Object[0]);
         } catch (InvocationTargetException e) {
             IllegalAccessError iae = (IllegalAccessError) e.getCause();
             String errorMsg = iae.getMessage();
             if (!(errorMsg.contains(expectedErrorMessage7_1) &&
                   errorMsg.contains(expectedErrorMessage7_2))) {
                 System.out.println("Expected: " + expectedErrorMessage7_1 + "id" + expectedErrorMessage7_2 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }

     private static String expectedErrorMessage8_1 =
         "class test.IAE78_B tried to access field test.IAE78_A.f " +
         "(test.IAE78_B is in unnamed module of loader 'test8_field_CL' @";
     private static String expectedErrorMessage8_2 =
         "; test.IAE78_A is in unnamed module of loader 'app')";

     // Similar to test5.
     public static void test8_field() throws Exception {
         ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
         IAE_Loader2 loader = new IAE_Loader2("test8_field_CL", base.getParent(), base, new String[0],
                                              new String[] { IAE78_A.class.getName() });
         Class<?> cl = loader.loadClass(IAE78_B.class.getName());
         Method m = cl.getDeclaredMethod("access", new Class[0]);

         try {
             m.invoke(null, new Object[0]);
         }
         catch (InvocationTargetException e) {
             IllegalAccessError iae = (IllegalAccessError) e.getCause();
             String errorMsg = iae.getMessage();
             if (!(errorMsg.contains(expectedErrorMessage8_1) &&
                   errorMsg.contains(expectedErrorMessage8_2))) {
                 System.out.println("Expected: " + expectedErrorMessage8_1 + "id" + expectedErrorMessage8_2 + "\n" +
                                    "but got:  " + errorMsg);
                 throw new RuntimeException("Wrong error message of IllegalAccessError.");
             }
             System.out.println("Passed with message: " + errorMsg);
         }
     }

     public static void main(String[] args) throws Exception {
         test123(null,          expectedErrorMessage1a_1, expectedErrorMessage1a_2, "test.IAE1_B"); // interface
         test123("someCLName1", expectedErrorMessage1b_1, expectedErrorMessage1b_2, "test.IAE1_B"); // interface
         test123("someCLName2", expectedErrorMessage2_1,  expectedErrorMessage2_2,  "test.IAE2_B"); // abstract class
         test123("someCLName3", expectedErrorMessage3_1,  expectedErrorMessage3_2,  "test.IAE3_B"); // class
         test4_privateMethod();
         test5_privateField();
         test6_class();
         test7_method();
         test8_field();
     }
 }

 // Class hierarchies for test1.
 interface IAE1_A {
     public IAE1_D gen();
 }

 class IAE1_B implements IAE1_A {
     public IAE1_D gen() {
         return null;
     }
 }

 abstract class IAE1_C {
 }

 class IAE1_D extends IAE1_C {
 }


 // Class hierarchies for test2.
 abstract class IAE2_A {
     abstract public IAE2_D gen();
 }

 class IAE2_B extends IAE2_A {
     public IAE2_D gen() {
         return null;
     }
 }

 abstract class IAE2_C {
 }

 class IAE2_D extends IAE2_C {
 }


 // Class hierarchies for test3.
 class IAE3_A {
     public IAE3_D gen() {
         return null;
     };
 }

 class IAE3_B extends IAE3_A {
     public IAE3_D gen() {
         return null;
     }
 }

 abstract class IAE3_C {
 }

 class IAE3_D extends IAE3_C {
 }


 // Class hierarchies for test6.
 class IAE6_A {
     IAE6_A() {
         // Nothing to do.
     }
 }

 class IAE6_B {
     public static void create() {
         new IAE6_A();
     }
 }
	/*
	* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
	* Copyright (c) 2018 SAP SE. 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
	* @summary Test messages of IllegalAccessError.
	* @modules java.base/java.lang:open
	* java.base/jdk.internal.org.objectweb.asm
	* @compile IAE_Loader1.java IAE_Loader2.java IAE78_A.java IAE78_B.java
	* IllegalAccessErrorTest.java
	* @run main/othervm -Xbootclasspath/a:. test.IllegalAccessErrorTest
	*/

	// Put this test into a package so we see qualified class names in
	// the error messages. Verify that classes are printed with '.' instead
	// of '/'.
	package test;

	import java.lang.reflect.*;
	import java.lang.invoke.MethodHandles.Lookup;
	import static java.lang.invoke.MethodHandles.*;
	import static java.lang.invoke.MethodHandles.Lookup.*;
	import java.security.*;

	import jdk.internal.org.objectweb.asm.ClassWriter;
	import jdk.internal.org.objectweb.asm.MethodVisitor;
	import static jdk.internal.org.objectweb.asm.Opcodes.*;

	import test.*;

	abstract public class IllegalAccessErrorTest {

	// interface
	private static String expectedErrorMessage1a_1 =
	"class test.IAE1_B cannot access its superinterface test.IAE1_A " +
	"(test.IAE1_B is in unnamed module of loader test.IAE_Loader1 @";
	private static String expectedErrorMessage1a_2 =
	"; test.IAE1_A is in unnamed module of loader 'app')";
	private static String expectedErrorMessage1b_1 =
	"class test.IAE1_B cannot access its superinterface test.IAE1_A " +
	"(test.IAE1_B is in unnamed module of loader 'someCLName1' @";
	private static String expectedErrorMessage1b_2 =
	"; test.IAE1_A is in unnamed module of loader 'app')";

	// abstract class
	private static String expectedErrorMessage2_1 =
	"class test.IAE2_B cannot access its abstract superclass test.IAE2_A " +
	"(test.IAE2_B is in unnamed module of loader 'someCLName2' @";
	private static String expectedErrorMessage2_2 =
	"; test.IAE2_A is in unnamed module of loader 'app')";

	// class
	private static String expectedErrorMessage3_1 =
	"class test.IAE3_B cannot access its superclass test.IAE3_A " +
	"(test.IAE3_B is in unnamed module of loader 'someCLName3' @";
	private static String expectedErrorMessage3_2 =
	"; test.IAE3_A is in unnamed module of loader 'app')";

	public static void test123(String loaderName,
	String expectedErrorMessage_1,
	String expectedErrorMessage_2,
	String testClass) throws Exception {
	String[] classNames = { testClass };
	// Some classes under a new Loader.
	ClassLoader l = new IAE_Loader1(loaderName, classNames);

	try {
	l.loadClass(testClass);
	throw new RuntimeException("Expected IllegalAccessError was not thrown.");
	} catch (IllegalAccessError iae) {
	String errorMsg = iae.getMessage();
	if (!(errorMsg.contains(expectedErrorMessage_1) &&
	errorMsg.contains(expectedErrorMessage_2))) {
	System.out.println("Expected: " + expectedErrorMessage_1 + "@id " + expectedErrorMessage_2 +"\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	} else {
	System.out.println("Passed with message: " + errorMsg);
	}
	}
	}

	// Generate a class file with the given class name. The class implements Runnable
	// with a run method to invokestatic the given targetClass/targetMethod.
	static byte[] iae4_generateRunner(String className,
	String targetClass,
	String targetMethod) throws Exception {

	ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
	+ ClassWriter.COMPUTE_FRAMES);
	cw.visit(V9,
	ACC_PUBLIC + ACC_SUPER,
	className.replace(".", "/"),
	null,
	"java/lang/Object",
	new String[] { "java/lang/Runnable" });

	// <init>
	MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
	mv.visitVarInsn(ALOAD, 0);
	mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
	mv.visitInsn(RETURN);
	mv.visitMaxs(0, 0);
	mv.visitEnd();

	// run()
	String tc = targetClass.replace(".", "/");
	mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
	mv.visitMethodInsn(INVOKESTATIC, tc, targetMethod, "()V", false);
	mv.visitInsn(RETURN);
	mv.visitMaxs(0, 0);
	mv.visitEnd();

	cw.visitEnd();
	return cw.toByteArray();
	}

	// Private method that should raise IllegalAccessError when called.
	private static void iae4_m() { }

	private static String expectedErrorMessage4 =
	"class test.Runner4 tried to access private method 'void test.IllegalAccessErrorTest.iae4_m()' " +
	"(test.Runner4 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";

	// Test according to java/lang/invoke/DefineClassTest.java
	public static void test4_privateMethod() throws Exception {
	final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
	final String THIS_CLASS = IllegalAccessErrorTest.class.getName();
	final String CLASS_NAME = THIS_PACKAGE + ".Runner4";
	Lookup lookup = lookup();

	// private
	byte[] classBytes = iae4_generateRunner(CLASS_NAME, THIS_CLASS, "iae4_m");
	Class<?> clazz = lookup.defineClass(classBytes);
	Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
	try {
	r.run();
	throw new RuntimeException("Expected IllegalAccessError was not thrown.");
	} catch (IllegalAccessError exc) {
	String errorMsg = exc.getMessage();
	if (!errorMsg.equals(expectedErrorMessage4)) {
	System.out.println("Expected: " + expectedErrorMessage4 + "\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	}
	System.out.println("Passed with message: " + errorMsg);
	}
	}

	// Generate a class file with the given class name. The class implements Runnable
	// with a run method to invokestatic the given targetClass/targetField.
	static byte[] iae5_generateRunner(String className,
	String targetClass,
	String targetField) throws Exception {

	ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS
	+ ClassWriter.COMPUTE_FRAMES);
	cw.visit(V9,
	ACC_PUBLIC + ACC_SUPER,
	className.replace(".", "/"),
	null,
	"java/lang/Object",
	new String[] { "java/lang/Runnable" });

	// <init>
	MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
	mv.visitVarInsn(ALOAD, 0);
	mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
	mv.visitInsn(RETURN);
	mv.visitMaxs(0, 0);
	mv.visitEnd();

	// run()
	String tc = targetClass.replace(".", "/");
	mv = cw.visitMethod(ACC_PUBLIC, "run", "()V", null, null);
	mv.visitFieldInsn(GETSTATIC, tc, targetField, "I");
	mv.visitInsn(RETURN);
	mv.visitMaxs(0, 0);
	mv.visitEnd();

	cw.visitEnd();
	return cw.toByteArray();
	}

	// Private field that should raise IllegalAccessError when accessed.
	private static int iae5_f = 77;

	private static String expectedErrorMessage5 =
	"class test.Runner5 tried to access private field test.IllegalAccessErrorTest.iae5_f " +
	"(test.Runner5 and test.IllegalAccessErrorTest are in unnamed module of loader 'app')";

	// Test according to java/lang/invoke/DefineClassTest.java
	public static void test5_privateField() throws Exception {
	final String THIS_PACKAGE = IllegalAccessErrorTest.class.getPackageName();
	final String THIS_CLASS = IllegalAccessErrorTest.class.getName();
	final String CLASS_NAME = THIS_PACKAGE + ".Runner5";
	Lookup lookup = lookup();

	// private
	byte[] classBytes = iae5_generateRunner(CLASS_NAME, THIS_CLASS, "iae5_f");
	Class<?> clazz = lookup.defineClass(classBytes);
	Runnable r = (Runnable) clazz.getDeclaredConstructor().newInstance();
	try {
	r.run();
	throw new RuntimeException("Expected IllegalAccessError was not thrown.");
	} catch (IllegalAccessError exc) {
	String errorMsg = exc.getMessage();
	if (!errorMsg.equals(expectedErrorMessage5)) {
	System.out.println("Expected: " + expectedErrorMessage5 + "\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	}
	System.out.println("Passed with message: " + errorMsg);
	}
	}

	private static String expectedErrorMessage6 =
	"failed to access class test.IAE6_A from class test.IAE6_B " +
	"(test.IAE6_A is in unnamed module of loader 'app'; test.IAE6_B is in unnamed module of loader 'test6_class_CL' @";

	public static void test6_class() throws Exception {
	ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
	IAE_Loader2 loader = new IAE_Loader2("test6_class_CL", base.getParent(), base, new String[0],
	new String[] { IAE6_A.class.getName() });
	Class<?> cl = loader.loadClass(IAE6_B.class.getName());
	Method m = cl.getDeclaredMethod("create", new Class[0]);
	m.setAccessible(true);

	try {
	m.invoke(null, new Object[0]);
	throw new RuntimeException("Expected IllegalAccessError was not thrown.");
	} catch (InvocationTargetException e) {
	IllegalAccessError iae = (IllegalAccessError) e.getCause();
	String errorMsg = iae.getMessage();
	if (!errorMsg.contains(expectedErrorMessage6)) {
	System.out.println("Expected: " + expectedErrorMessage6 + "id)\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	}
	System.out.println("Passed with message: " + errorMsg);
	}
	}

	private static String expectedErrorMessage7_1 =
	"class test.IAE78_B tried to access method 'void test.IAE78_A.<init>()' " +
	"(test.IAE78_B is in unnamed module of loader 'test7_method_CL' @";
	private static String expectedErrorMessage7_2 =
	"; test.IAE78_A is in unnamed module of loader 'app')";

	// Similar to test4.
	public static void test7_method() throws Exception {
	ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
	IAE_Loader2 loader = new IAE_Loader2("test7_method_CL", base.getParent(), base, new String[0],
	new String[] {IAE78_A.class.getName()});
	Class<?> cl = loader.loadClass(IAE78_B.class.getName());
	Method m = cl.getDeclaredMethod("create", new Class[0]);

	try {
	m.invoke(null, new Object[0]);
	} catch (InvocationTargetException e) {
	IllegalAccessError iae = (IllegalAccessError) e.getCause();
	String errorMsg = iae.getMessage();
	if (!(errorMsg.contains(expectedErrorMessage7_1) &&
	errorMsg.contains(expectedErrorMessage7_2))) {
	System.out.println("Expected: " + expectedErrorMessage7_1 + "id" + expectedErrorMessage7_2 + "\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	}
	System.out.println("Passed with message: " + errorMsg);
	}
	}

	private static String expectedErrorMessage8_1 =
	"class test.IAE78_B tried to access field test.IAE78_A.f " +
	"(test.IAE78_B is in unnamed module of loader 'test8_field_CL' @";
	private static String expectedErrorMessage8_2 =
	"; test.IAE78_A is in unnamed module of loader 'app')";

	// Similar to test5.
	public static void test8_field() throws Exception {
	ClassLoader base = IllegalAccessErrorTest.class.getClassLoader();
	IAE_Loader2 loader = new IAE_Loader2("test8_field_CL", base.getParent(), base, new String[0],
	new String[] { IAE78_A.class.getName() });
	Class<?> cl = loader.loadClass(IAE78_B.class.getName());
	Method m = cl.getDeclaredMethod("access", new Class[0]);

	try {
	m.invoke(null, new Object[0]);
	}
	catch (InvocationTargetException e) {
	IllegalAccessError iae = (IllegalAccessError) e.getCause();
	String errorMsg = iae.getMessage();
	if (!(errorMsg.contains(expectedErrorMessage8_1) &&
	errorMsg.contains(expectedErrorMessage8_2))) {
	System.out.println("Expected: " + expectedErrorMessage8_1 + "id" + expectedErrorMessage8_2 + "\n" +
	"but got: " + errorMsg);
	throw new RuntimeException("Wrong error message of IllegalAccessError.");
	}
	System.out.println("Passed with message: " + errorMsg);
	}
	}

	public static void main(String[] args) throws Exception {
	test123(null, expectedErrorMessage1a_1, expectedErrorMessage1a_2, "test.IAE1_B"); // interface
	test123("someCLName1", expectedErrorMessage1b_1, expectedErrorMessage1b_2, "test.IAE1_B"); // interface
	test123("someCLName2", expectedErrorMessage2_1, expectedErrorMessage2_2, "test.IAE2_B"); // abstract class
	test123("someCLName3", expectedErrorMessage3_1, expectedErrorMessage3_2, "test.IAE3_B"); // class
	test4_privateMethod();
	test5_privateField();
	test6_class();
	test7_method();
	test8_field();
	}
	}

	// Class hierarchies for test1.
	interface IAE1_A {
	public IAE1_D gen();
	}

	class IAE1_B implements IAE1_A {
	public IAE1_D gen() {
	return null;
	}
	}

	abstract class IAE1_C {
	}

	class IAE1_D extends IAE1_C {
	}


	// Class hierarchies for test2.
	abstract class IAE2_A {
	abstract public IAE2_D gen();
	}

	class IAE2_B extends IAE2_A {
	public IAE2_D gen() {
	return null;
	}
	}

	abstract class IAE2_C {
	}

	class IAE2_D extends IAE2_C {
	}


	// Class hierarchies for test3.
	class IAE3_A {
	public IAE3_D gen() {
	return null;
	};
	}

	class IAE3_B extends IAE3_A {
	public IAE3_D gen() {
	return null;
	}
	}

	abstract class IAE3_C {
	}

	class IAE3_D extends IAE3_C {
	}


	// Class hierarchies for test6.
	class IAE6_A {
	IAE6_A() {
	// Nothing to do.
	}
	}

	class IAE6_B {
	public static void create() {
	new IAE6_A();
	}
	}