1 /* 2 * Copyright (c) 2019, 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 /* 26 * @test 27 * @summary A few edge cases where there's no class to be included in the dynamic archive. 28 * @requires vm.cds 29 * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/dynamicArchive/test-classes 30 * @build StrConcatApp 31 * @run driver ClassFileInstaller -jar strConcatApp.jar StrConcatApp 32 * @run driver NoClassToArchive 33 */ 34 35 import java.io.File; 36 import jdk.test.lib.process.OutputAnalyzer; 37 import jdk.test.lib.process.ProcessTools; 38 39 public class NoClassToArchive extends DynamicArchiveTestBase { 40 static final String warningMessage = 41 "There is no class to be included in the dynamic archive"; 42 static final String classList = System.getProperty("test.classes") + 43 File.separator + "NoClassToArchive.list"; 44 static final String appClass = "StrConcatApp"; 45 46 public static void main(String[] args) throws Exception { 47 runTest(NoClassToArchive::testDefaultBase); 48 runTest(NoClassToArchive::testCustomBase); 49 } 50 51 // (1) Test with default base archive + top archive 52 static void testDefaultBase() throws Exception { 53 String topArchiveName = getNewArchiveName("top"); 54 doTest(null, topArchiveName); 55 } 56 57 // (2) Test with custom base archive + top archive 58 static void testCustomBase() throws Exception { 59 String topArchiveName = getNewArchiveName("top2"); 60 String baseArchiveName = getNewArchiveName("base"); 61 doTestCustomBase(baseArchiveName, topArchiveName); 62 } 63 64 private static void checkWarning(OutputAnalyzer output) throws Exception { 65 if (output.getStdout().contains("jrt:/") || output.getStdout().contains("unsafe anonymous")) { 66 System.out.println("test skipped: this platform uses non-archived classes when running -version"); 67 } else { 68 output.shouldContain(warningMessage); 69 } 70 } 71 72 private static void doTest(String baseArchiveName, String topArchiveName) throws Exception { 73 dump2(baseArchiveName, topArchiveName, 74 "-Xlog:cds", 75 "-Xlog:cds+dynamic=debug", 76 "-Xlog:class+load=trace", 77 "-version") 78 .assertNormalExit(output -> checkWarning(output)); 79 80 dump2(baseArchiveName, topArchiveName, 81 "-Xlog:cds", 82 "-Xlog:cds+dynamic=debug", 83 "-Xlog:class+load=trace", 84 "-help") 85 .assertNormalExit(output -> { 86 // some classes will be loaded from the java.base module 87 output.shouldContain("java.text.MessageFormat source: jrt:/java.base"); 88 }); 89 } 90 91 private static void doTestCustomBase(String baseArchiveName, String topArchiveName) throws Exception { 92 String appJar = ClassFileInstaller.getJarPath("strConcatApp.jar"); 93 // dump class list by running the StrConcatApp 94 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 95 true, 96 "-XX:DumpLoadedClassList=" + classList, 97 "-cp", 98 appJar, 99 appClass); 100 OutputAnalyzer output = TestCommon.executeAndLog(pb, "dumpClassList"); 101 TestCommon.checkExecReturn(output, 0, true, "length = 0"); 102 103 // create a custom base archive based on the class list 104 dumpBaseArchive(baseArchiveName, "-XX:SharedClassListFile=" + classList); 105 106 // create a dynamic archive with the custom base archive 107 // no class should be included in the dynamic archive 108 dump2(baseArchiveName, topArchiveName, 109 "-Xlog:cds", 110 "-Xlog:cds+dynamic=debug", 111 "-Xlog:class+load=trace", 112 "-version") 113 .assertNormalExit(out -> checkWarning(out)); 114 } 115 }