diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/hotspot/jtreg/runtime/modules/CCE_module_msg.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/hotspot/jtreg/runtime/modules/CCE_module_msg.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,169 @@ +/* + * Copyright (c) 2016, 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 + * @modules java.base/jdk.internal.misc + * @library /test/lib .. + * @compile p2/c2.java + * @compile p4/c4.java + * @build sun.hotspot.WhiteBox + * @compile/module=java.base java/lang/ModuleHelper.java + * @run main ClassFileInstaller sun.hotspot.WhiteBox + * sun.hotspot.WhiteBox$WhiteBoxPermission + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI CCE_module_msg + */ + +import java.io.*; +import java.net.URL; +import java.net.URLClassLoader; +import java.nio.file.Path; +import java.nio.file.Paths; +import static jdk.test.lib.Asserts.*; + +// Test that the message in a runtime ClassCastException contains module info. +public class CCE_module_msg { + private static final Path CLASSES_DIR = Paths.get("classes"); + + public static void main(String[] args) throws Throwable { + // Should not display version + invalidObjectToDerived(); + // Should display version + invalidClassToString(); + // Should display customer class loader + invalidClassToStringCustomLoader(); + } + + public static void invalidObjectToDerived() { + java.lang.Object instance = new java.lang.Object(); + int left = 23; + int right = 42; + try { + for (int i = 0; i < 1; i += 1) { + left = ((Derived) instance).method(left, right); + } + throw new RuntimeException("ClassCastException wasn't thrown, test failed."); + } catch (ClassCastException cce) { + System.out.println(cce.getMessage()); + if (!cce.getMessage().contains("java.base/java.lang.Object cannot be cast to Derived")) { + throw new RuntimeException("Wrong message: " + cce.getMessage()); + } + } + } + + public static void invalidClassToString() throws Throwable { + // Get the java.lang.Module object for module java.base. + Class jlObject = Class.forName("java.lang.Object"); + Object jlObject_jlM = jlObject.getModule(); + assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); + + // Get the class loader for CCE_module_msg and assume it's also used to + // load classes p1.c1 and p2.c2. + ClassLoader this_cldr = CCE_module_msg.class.getClassLoader(); + + // Define a module for p2. + Object m2x = ModuleHelper.ModuleObject("module_two", this_cldr, new String[] { "p2" }); + assertNotNull(m2x, "Module should not be null"); + ModuleHelper.DefineModule(m2x, false, "9.0", "m2x/there", new String[] { "p2" }); + ModuleHelper.AddReadsModule(m2x, jlObject_jlM); + + try { + ModuleHelper.AddModuleExportsToAll(m2x, "p2"); + Object p2Obj = new p2.c2(); + System.out.println((String)p2Obj); + throw new RuntimeException("ClassCastException wasn't thrown, test failed."); + } catch (ClassCastException cce) { + String exception = cce.getMessage(); + System.out.println(exception); + if (exception.contains("module_two/p2.c2") || + !(exception.contains("module_two@") && + exception.contains("/p2.c2 cannot be cast to java.base/java.lang.String"))) { + throw new RuntimeException("Wrong message: " + exception); + } + } + } + + public static void invalidClassToStringCustomLoader() throws Throwable { + // Get the java.lang.Module object for module java.base. + Class jlObject = Class.forName("java.lang.Object"); + Object jlObject_jlM = jlObject.getModule(); + assertNotNull(jlObject_jlM, "jlModule object of java.lang.Object should not be null"); + + // Create a customer class loader to load class p4/c4. + URL[] urls = new URL[] { CLASSES_DIR.toUri().toURL() }; + ClassLoader parent = ClassLoader.getSystemClassLoader(); + MyURLClassLoader myCldr = new MyURLClassLoader("MyClassLoader", urls, parent); + + try { + // Class p4.c4 should be defined to the unnamed module of myCldr + Class p4_c4_class = myCldr.loadClass("p4.c4"); + Object c4Obj = p4_c4_class.newInstance(); + System.out.println((String)c4Obj); + throw new RuntimeException("ClassCastException wasn't thrown, test failed."); + } catch (ClassCastException cce) { + String exception = cce.getMessage(); + System.out.println(exception); + if (!exception.contains("MyClassLoader//p4.c4 cannot be cast to java.base/java.lang.String")) { + throw new RuntimeException("Wrong message: " + exception); + } + } + } +} + +class Derived extends java.lang.Object { + public int method(int left, int right) { + return right; + } +} + +class MyURLClassLoader extends URLClassLoader { + public MyURLClassLoader(String name, + URL[] urls, + ClassLoader parent) { + super(name, urls, parent); + } + + public Class loadClass(String name) throws ClassNotFoundException { + if (!name.equals("p4.c4")) { + return super.loadClass(name); + } + byte[] data = getClassData(name); + return defineClass(name, data, 0, data.length); + } + + byte[] getClassData(String name) { + try { + String TempName = name.replaceAll("\\.", "/"); + String currentDir = System.getProperty("test.classes"); + String filename = currentDir + File.separator + TempName + ".class"; + FileInputStream fis = new FileInputStream(filename); + byte[] b = new byte[5000]; + int cnt = fis.read(b, 0, 5000); + byte[] c = new byte[cnt]; + for (int i=0; i