1 /* 2 * Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @summary Ensure that a newly introduced java.base package placed within the -Xpatch directory 27 * is considered part of the boot loader's visibility boundary 28 * @requires !(os.family == "windows") 29 * @library /testlibrary 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * @run main/othervm XpatchVisibility 33 */ 34 35 import java.io.File; 36 import java.nio.file.Files; 37 import java.nio.file.Paths; 38 39 import jdk.test.lib.*; 40 41 public class XpatchVisibility { 42 43 public static void main(String[] args) throws Throwable { 44 45 String Vis2_B_src = 46 "package p2;" + 47 "public class Vis2_B {" + 48 " public void m() {" + 49 " System.out.println(\"In B's m()\");" + 50 " }" + 51 "}"; 52 53 String Vis2_A_src = 54 "import p2.*;" + 55 "public class Vis2_A {" + 56 " public static void main(String args[]) throws Exception {" + 57 // Try loading a class within a newly introduced java.base 58 // package. Make sure the class can be found via -Xpatch. 59 " try {" + 60 " p2.Vis2_B b = new p2.Vis2_B();" + 61 " if (b.getClass().getClassLoader() != null) {" + 62 " throw new RuntimeException(\"XpatchVisibility FAILED - class B " + 63 "should be loaded by boot class loader\\n\");" + 64 " }" + 65 " b.m();" + 66 " } catch (Throwable e) {" + 67 " throw new RuntimeException(\"XpatchVisibility FAILED - test " + 68 "should not throw an error or exception\\n\");" + 69 " }" + 70 " System.out.println(\"XpatchVisibility PASSED\\n\");" + 71 " }" + 72 "}"; 73 74 ClassFileInstaller.writeClassToDisk("p2/Vis2_B", 75 InMemoryJavaCompiler.compile("p2.Vis2_B", Vis2_B_src), System.getProperty("test.classes")); 76 ClassFileInstaller.writeClassToDisk("p2/Vis2_B", "mods2/java.base"); 77 78 ClassFileInstaller.writeClassToDisk("Vis2_A", 79 InMemoryJavaCompiler.compile("Vis2_A", Vis2_A_src), System.getProperty("test.classes")); 80 81 // Make sure the classes are actually being loaded from mods2 82 Files.delete(Paths.get(System.getProperty("test.classes") + File.separator + 83 "p2" + File.separator + "Vis2_B.class")); 84 85 new OutputAnalyzer(ProcessTools.createJavaProcessBuilder( 86 "-Xpatch:java.base=mods2/java.base", 87 "-XaddExports:java.base/p2=ALL-UNNAMED", 88 "Vis2_A") 89 .start()).shouldHaveExitValue(0); 90 } 91 }