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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

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 * under the terms of the GNU General Public License version 2 only, as

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 *

 * 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,

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/*

 * @test

 * @summary Ensure that a newly introduced java.base package placed within the -Xpatch directory

 *          is considered part of the boot loader's visibility boundary

 * @requires !(os.family == "windows")

 * @library /testlibrary

 * @modules java.base/jdk.internal.misc

 *          java.management

 * @run main/othervm XpatchVisibility

 */

import java.io.File;

import java.nio.file.Files;

import java.nio.file.Paths;

import jdk.test.lib.*;

public class XpatchVisibility {

    public static void main(String[] args) throws Throwable {

      String Vis2_B_src =

              "package p2;" +

              "public class Vis2_B {" +

              "    public void m() {" +

              "        System.out.println(\"In B's m()\");" +

              "    }" +

              "}";

      String Vis2_A_src =

              "import p2.*;" +

              "public class Vis2_A {" +

              "    public static void main(String args[]) throws Exception {" +

                      // Try loading a class within a newly introduced java.base

                      // package.  Make sure the class can be found via -Xpatch.

              "        try {" +

              "            p2.Vis2_B b = new p2.Vis2_B();" +

              "            if (b.getClass().getClassLoader() != null) {" +

              "                throw new RuntimeException(\"XpatchVisibility FAILED - class B " +

                                                           "should be loaded by boot class loader\\n\");" +

              "            }" +

              "            b.m();" +

              "        } catch (Throwable e) {" +

              "            throw new RuntimeException(\"XpatchVisibility FAILED - test " +

                                                       "should not throw an error or exception\\n\");" +

              "        }" +

              "        System.out.println(\"XpatchVisibility PASSED\\n\");" +

              "    }" +

              "}";

      ClassFileInstaller.writeClassToDisk("p2/Vis2_B",

          InMemoryJavaCompiler.compile("p2.Vis2_B", Vis2_B_src), System.getProperty("test.classes"));

      ClassFileInstaller.writeClassToDisk("p2/Vis2_B", "mods2/java.base");

      ClassFileInstaller.writeClassToDisk("Vis2_A",

          InMemoryJavaCompiler.compile("Vis2_A", Vis2_A_src), System.getProperty("test.classes"));

      // Make sure the classes are actually being loaded from mods2

      Files.delete(Paths.get(System.getProperty("test.classes") +  File.separator +

                                                           "p2" + File.separator + "Vis2_B.class"));

      new OutputAnalyzer(ProcessTools.createJavaProcessBuilder(

              "-Xpatch:java.base=mods2/java.base",

              "-XaddExports:java.base/p2=ALL-UNNAMED",

              "Vis2_A")

          .start()).shouldHaveExitValue(0);

    }

}