1 /* 2 * Copyright (c) 2015, 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 class defined within a java.base package can not 27 * be located via -Xbootclasspath/a 28 * @library /test/lib 29 * @modules java.base/jdk.internal.misc 30 * java.management 31 * @run main/othervm XbootcpNoVisibility 32 */ 33 34 import jdk.test.lib.InMemoryJavaCompiler; 35 import jdk.test.lib.process.ProcessTools; 36 import jdk.test.lib.process.OutputAnalyzer; 37 38 public class XbootcpNoVisibility { 39 public static void main(String args[]) throws Exception { 40 41 String Vis3_B_src = 42 "package sun.util;" + 43 "public class Vis3_B { public void m() { System.out.println(\"In B's m()\"); } }"; 44 45 ClassFileInstaller.writeClassToDisk("sun/util/Vis3_B", 46 InMemoryJavaCompiler.compile("sun.util.Vis3_B", Vis3_B_src), System.getProperty("test.classes")); 47 48 String Vis3_A_src = 49 "import sun.util.*;" + 50 "public class Vis3_A {" + 51 " public static void main(String args[]) throws Exception {" + 52 // Try loading a class within a named package in a module which has been defined 53 // to the boot loader. In this situation, the class should only be attempted 54 // to be loaded from the boot loader's module path which consists of: 55 // [-Xpatch]; exploded build | "modules" jimage 56 // 57 // Since the class is located on the boot loader's append path via 58 // -Xbootclasspath/a specification, it should not be found. 59 " try {" + 60 " sun.util.Vis3_B b = new sun.util.Vis3_B();" + 61 " } catch (NoClassDefFoundError e) {" + 62 " System.out.println(\"XbootcpNoVisibility PASSED - " + 63 "test should throw exception\\n\");" + 64 " return;" + 65 " }" + 66 " throw new RuntimeException(\"XbootcpNoVisibility FAILED - " + 67 "test should have thrown exception\");" + 68 " }" + 69 "}"; 70 71 ClassFileInstaller.writeClassToDisk("Vis3_A", 72 InMemoryJavaCompiler.compile("Vis3_A", Vis3_A_src), System.getProperty("test.classes")); 73 74 new OutputAnalyzer(ProcessTools.createJavaProcessBuilder( 75 "-Xbootclasspath/a:.", 76 "Vis3_A") 77 .start()).shouldContain("XbootcpNoVisibility PASSED"); 78 } 79 }