217 lines
9.3 KiB
Java
217 lines
9.3 KiB
Java
/*
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* Copyright (c) 2016, 2022, Oracle and/or its affiliates. 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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* @test
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @compile p2/c2.java
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* @compile p4/c4.java
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* @build jdk.test.whitebox.WhiteBox
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* @compile/module=java.base java/lang/ModuleHelper.java
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* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
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* @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI CCE_module_msg
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*/
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import java.io.*;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import static jdk.test.lib.Asserts.*;
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import jdk.test.lib.classloader.ClassUnloadCommon;
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// Test that the message in a runtime ClassCastException contains module info.
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public class CCE_module_msg {
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private static final Path CLASSES_DIR = Paths.get("classes");
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public static void main(String[] args) throws Throwable {
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// Should not display version
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invalidObjectToDerived();
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invalidOriginalInnerToDerived();
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invalidTimeToDerived();
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invalidHeadersToDerived();
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// Should display version
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invalidClassToString();
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// Should display customer class loader
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invalidClassToStringCustomLoader();
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}
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public static void invalidObjectToDerived() {
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java.lang.Object instance = new java.lang.Object();
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int left = 23;
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int right = 42;
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try {
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for (int i = 0; i < 1; i += 1) {
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left = ((Derived) instance).method(left, right);
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}
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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System.out.println(cce.toString());
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if (!cce.getMessage().contains("class java.lang.Object cannot be cast to class Derived (java.lang.Object is in module java.base of loader 'bootstrap'; Derived is in unnamed module of loader 'app')")) {
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throw new RuntimeException("Wrong message: " + cce.getMessage());
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}
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}
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}
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public static void invalidOriginalInnerToDerived() {
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OriginalInner instance = new OriginalInner();
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int left = 23;
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int right = 42;
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try {
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for (int i = 0; i < 1; i += 1) {
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left = ((Derived) (java.lang.Object)instance).method(left, right);
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}
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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System.out.println(cce.toString());
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if (!cce.getMessage().contains("class OriginalInner cannot be cast to class Derived (OriginalInner and Derived are in unnamed module of loader 'app')")) {
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throw new RuntimeException("Wrong message: " + cce.getMessage());
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}
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}
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}
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// Test with a non-upgradeable 'java.' module other than java.base.
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public static void invalidTimeToDerived() {
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java.sql.Time instance = new java.sql.Time(10000);
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int left = 23;
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int right = 42;
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try {
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for (int i = 0; i < 1; i += 1) {
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left = ((Derived) (java.lang.Object)instance).method(left, right);
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}
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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System.out.println(cce.toString());
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if (!cce.getMessage().contains("class java.sql.Time cannot be cast to class Derived (java.sql.Time is in module java.sql of loader 'platform'; Derived is in unnamed module of loader 'app')")) {
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throw new RuntimeException("Wrong message: " + cce.getMessage());
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}
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}
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}
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// Test with a non-upgradeable 'jdk.' module.
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public static void invalidHeadersToDerived() {
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com.sun.net.httpserver.Headers instance = new com.sun.net.httpserver.Headers();
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int left = 23;
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int right = 42;
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try {
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for (int i = 0; i < 1; i += 1) {
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left = ((Derived) (java.lang.Object)instance).method(left, right);
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}
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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System.out.println(cce.toString());
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if (!cce.getMessage().contains("class com.sun.net.httpserver.Headers cannot be cast to class Derived (com.sun.net.httpserver.Headers is in module jdk.httpserver of loader 'platform'; Derived is in unnamed module of loader 'app')")) {
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throw new RuntimeException("Wrong message: " + cce.getMessage());
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}
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}
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}
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public static void invalidClassToString() throws Throwable {
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// Get the java.lang.Module object for module java.base.
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Class jlObject = Class.forName("java.lang.Object");
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Object jlObject_jlM = jlObject.getModule();
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assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
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// Get the class loader for CCE_module_msg and assume it's also used to
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// load classes p1.c1 and p2.c2.
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ClassLoader this_cldr = CCE_module_msg.class.getClassLoader();
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// Define a module for p2.
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Object m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" });
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assertNotNull(m2x, "Module should not be null");
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ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" });
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ModuleHelper.AddReadsModule(m2x, jlObject_jlM);
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try {
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ModuleHelper.AddModuleExportsToAll(m2x, "p2");
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Object p2Obj = new p2.c2();
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System.out.println((String)p2Obj);
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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String exception = cce.getMessage();
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System.out.println(cce.toString());
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if (!exception.contains("class p2.c2 cannot be cast to class java.lang.String (p2.c2 is in module module_two@") ||
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!exception.contains(" of loader 'app'; java.lang.String is in module java.base of loader 'bootstrap')")) {
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throw new RuntimeException("Wrong message: " + exception);
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}
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}
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}
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public static void invalidClassToStringCustomLoader() throws Throwable {
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// Get the java.lang.Module object for module java.base.
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Class jlObject = Class.forName("java.lang.Object");
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Object jlObject_jlM = jlObject.getModule();
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assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null");
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// Create a customer class loader to load class p4/c4.
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URL[] urls = new URL[] { CLASSES_DIR.toUri().toURL() };
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ClassLoader parent = ClassLoader.getSystemClassLoader();
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MyURLClassLoader myCldr = new MyURLClassLoader("MyClassLoader", urls, parent);
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try {
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// Class p4.c4 should be defined to the unnamed module of myCldr
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Class p4_c4_class = myCldr.loadClass("p4.c4");
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Object c4Obj = p4_c4_class.newInstance();
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System.out.println((String)c4Obj);
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throw new RuntimeException("ClassCastException wasn't thrown, test failed.");
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} catch (ClassCastException cce) {
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String exception = cce.getMessage();
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System.out.println(cce.toString());
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if (!exception.contains("class p4.c4 cannot be cast to class java.lang.String (p4.c4 is in unnamed module of loader 'MyClassLoader' @") ||
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!exception.contains("; java.lang.String is in module java.base of loader 'bootstrap')")) {
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throw new RuntimeException("Wrong message: " + exception);
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}
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}
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}
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}
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class OriginalInner extends java.lang.Object {
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public int method(int left, int right) {
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return right;
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}
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}
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class Derived extends java.lang.Object {
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public int method(int left, int right) {
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return right;
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}
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}
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class MyURLClassLoader extends URLClassLoader {
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public MyURLClassLoader(String name,
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URL[] urls,
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ClassLoader parent) {
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super(name, urls, parent);
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}
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public Class loadClass(String name) throws ClassNotFoundException {
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if (!name.equals("p4.c4")) {
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return super.loadClass(name);
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}
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byte[] data = ClassUnloadCommon.getClassData(name);
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return defineClass(name, data, 0, data.length);
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}
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}
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