1 /* 2 * Copyright (c) 2017, 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 * @test 26 * @summary JVM should be able to handle full path (directory path plus 27 * class name) or directory path longer than MAX_PATH specified 28 * in -Xbootclasspath/a on windows. 29 * @library /test/lib 30 * @modules java.base/jdk.internal.misc 31 * java.management 32 * jdk.jartool/sun.tools.jar 33 * @run main LongBCP 34 */ 35 36 import java.io.File; 37 import java.nio.file.Path; 38 import java.nio.file.Paths; 39 import java.util.Arrays; 40 import jdk.test.lib.compiler.CompilerUtils; 41 import jdk.test.lib.process.ProcessTools; 42 import jdk.test.lib.process.OutputAnalyzer; 43 44 public class LongBCP { 45 46 private static final int MAX_PATH = 260; 47 main(String args[])48 public static void main(String args[]) throws Exception { 49 Path sourceDir = Paths.get(System.getProperty("test.src"), "test-classes"); 50 Path classDir = Paths.get(System.getProperty("test.classes")); 51 Path destDir = classDir; 52 53 // create a sub-path so that the destDir length is almost MAX_PATH 54 // so that the full path (with the class name) will exceed MAX_PATH 55 int subDirLen = MAX_PATH - classDir.toString().length() - 2; 56 if (subDirLen > 0) { 57 char[] chars = new char[subDirLen]; 58 Arrays.fill(chars, 'x'); 59 String subPath = new String(chars); 60 destDir = Paths.get(System.getProperty("test.classes"), subPath); 61 } 62 63 CompilerUtils.compile(sourceDir, destDir); 64 65 String bootCP = "-Xbootclasspath/a:" + destDir.toString(); 66 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 67 bootCP, "Hello"); 68 69 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 70 output.shouldContain("Hello World") 71 .shouldHaveExitValue(0); 72 73 // increase the length of destDir to slightly over MAX_PATH 74 destDir = Paths.get(destDir.toString(), "xxxxx"); 75 CompilerUtils.compile(sourceDir, destDir); 76 77 bootCP = "-Xbootclasspath/a:" + destDir.toString(); 78 pb = ProcessTools.createJavaProcessBuilder( 79 bootCP, "Hello"); 80 81 output = new OutputAnalyzer(pb.start()); 82 output.shouldContain("Hello World") 83 .shouldHaveExitValue(0); 84 85 // create a hello.jar 86 sun.tools.jar.Main jarTool = new sun.tools.jar.Main(System.out, System.err, "jar"); 87 String helloJar = destDir.toString() + File.separator + "hello.jar"; 88 if (!jarTool.run(new String[] 89 {"-cf", helloJar, "-C", destDir.toString(), "Hello.class"})) { 90 throw new RuntimeException("Could not write the Hello jar file"); 91 } 92 93 // run with long bootclasspath to hello.jar 94 bootCP = "-Xbootclasspath/a:" + helloJar; 95 pb = ProcessTools.createJavaProcessBuilder( 96 bootCP, "Hello"); 97 98 output = new OutputAnalyzer(pb.start()); 99 output.shouldContain("Hello World") 100 .shouldHaveExitValue(0); 101 102 // relative path tests 103 // We currently cannot handle relative path specified in the 104 // -Xbootclasspath/a on windows. 105 // 106 // relative path length within the 256 limit 107 char[] chars = new char[255]; 108 Arrays.fill(chars, 'y'); 109 String subPath = new String(chars); 110 destDir = Paths.get(".", subPath); 111 112 CompilerUtils.compile(sourceDir, destDir); 113 114 bootCP = "-Xbootclasspath/a:" + destDir.toString(); 115 pb = ProcessTools.createJavaProcessBuilder( 116 bootCP, "Hello"); 117 118 output = new OutputAnalyzer(pb.start()); 119 output.shouldContain("Hello World") 120 .shouldHaveExitValue(0); 121 122 // total relative path length exceeds MAX_PATH 123 destDir = Paths.get(destDir.toString(), "yyyyyyyy"); 124 125 CompilerUtils.compile(sourceDir, destDir); 126 127 bootCP = "-Xbootclasspath/a:" + destDir.toString(); 128 pb = ProcessTools.createJavaProcessBuilder( 129 bootCP, "Hello"); 130 131 output = new OutputAnalyzer(pb.start()); 132 output.shouldContain("Hello World") 133 .shouldHaveExitValue(0); 134 } 135 } 136