test/hotspot/jtreg/runtime/appcds/jigsaw/PatchModule/SubClassOfPatchedClass.java
author iklam
Mon, 04 Dec 2017 08:59:47 -0800
changeset 48469 7312ae4465d6
parent 48138 78b2ecdd3c4b
child 48979 514c73a1955b
permissions -rw-r--r--
8193672: [test] Enhance vm.cds property to check for all conditions required to run CDS tests Reviewed-by: dholmes, dsamersoff, simonis
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/*
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 * Copyright (c) 2016, 2017, 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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/*
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 * @test
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 * @requires vm.cds
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 * @summary the class in the -cp is a subclass of the class in --patch-module. The
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 *          patched class should be used at runtime.
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 * @library ../..
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 * @library /test/hotspot/jtreg/testlibrary
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 * @library /test/lib
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 * @modules java.base/jdk.internal.misc
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 *          jdk.jartool/sun.tools.jar
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 * @build PatchMain
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 * @run main SubClassOfPatchedClass
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 */
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import java.io.File;
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import jdk.test.lib.compiler.InMemoryJavaCompiler;
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import jdk.test.lib.process.OutputAnalyzer;
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public class SubClassOfPatchedClass {
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    private static String moduleJar;
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    private static String appJar;
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    public static void main(String args[]) throws Throwable {
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        // Create a class file in the module java.naming. This class file
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        // will be put in the javanaming.jar file.
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        String source = "package javax.naming; "                +
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                        "public class Reference { "             +
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                        "    static { "                             +
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                        "        System.out.println(\"I pass!\"); " +
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                        "    } "                                    +
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                        "}";
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        String classDir = System.getProperty("test.classes");
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        ClassFileInstaller.writeClassToDisk("javax/naming/Reference",
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             InMemoryJavaCompiler.compile("javax.naming.Reference", source, "--patch-module=java.naming"),
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             classDir);
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        // Build the jar file that will be used for the module "java.naming".
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        JarBuilder.build("javanaming", "javax/naming/Reference");
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        moduleJar = TestCommon.getTestJar("javanaming.jar");
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        String source2 = "package mypackage; "                +
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                        "public class MyReference extends javax.naming.Reference { "             +
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                        "    static { "                             +
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                        "        System.out.println(\"MyReference!\"); " +
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                        "    } "                                    +
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                        "    public MyReference(String mystring) { " +
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                        "        super(mystring); " +
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                        "    } " +
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                        "}";
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        ClassFileInstaller.writeClassToDisk("mypackage/MyReference",
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             InMemoryJavaCompiler.compile("mypackage.MyReference", source2),
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             classDir);
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        JarBuilder.build("myjavanaming", "mypackage/MyReference");
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        appJar = TestCommon.getTestJar("myjavanaming.jar");
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        System.out.println("Test dumping with --patch-module");
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        OutputAnalyzer output =
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            TestCommon.dump(appJar,
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                TestCommon.list("javax/naming/Reference", "mypackage/MyReference"),
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                "--patch-module=java.naming=" + moduleJar,
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                "-Xlog:class+load",
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                "PatchMain", "javax.naming.Reference", "mypackage.MyReference");
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        TestCommon.checkDump(output, "Loading classes to share");
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        String classPath = appJar + File.pathSeparator + classDir;
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        System.out.println("classPath: " + classPath);
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        output = TestCommon.execCommon(
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            "-XX:+UnlockDiagnosticVMOptions",
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            "-cp", classPath,
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            "--patch-module=java.naming=" + moduleJar,
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            "-Xlog:class+load",
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            "PatchMain", "javax.naming.Reference", "mypackage.MyReference");
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        TestCommon.checkExec(output,
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            "I pass!",
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            "MyReference source: file:");
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    }
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}