hotspot/test/runtime/modules/Xpatch/XpatchJavaBase.java
author alanb
Tue, 03 May 2016 09:09:20 +0100
changeset 37773 e5b3e9732c3c
child 39282 2ee0ade492f9
permissions -rw-r--r--
8154956: Module system implementation refresh (4/2016) Reviewed-by: acorn, jiangli, ccheung, hseigel Contributed-by: alan.bateman@oracle.com, lois.foltan@oracle.com, harold.seigel@oracle.com
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/*
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 * Copyright (c) 2016, 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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 * @bug 8130399
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 * @summary Make sure -Xpatch works for java.base.
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 * @library /testlibrary
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 * @compile XpatchMain.java
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 * @run main XpatchJavaBase
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 */
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import jdk.test.lib.*;
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public class XpatchJavaBase {
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    public static void main(String[] args) throws Exception {
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        String source = "package java.lang; "                       +
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                        "public class NewClass { "                  +
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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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        ClassFileInstaller.writeClassToDisk("java/lang/NewClass",
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             InMemoryJavaCompiler.compile("java.lang.NewClass", source, "-Xmodule:java.base"),
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             "mods/java.base");
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        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xpatch:java.base=mods/java.base",
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             "XpatchMain", "java.lang.NewClass");
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        new OutputAnalyzer(pb.start())
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            .shouldContain("I pass!")
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            .shouldHaveExitValue(0);
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    }
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}