1 /* 2 * Copyright (c) 2017, 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 * @run main LongBCP 33 */ 34 35 import java.nio.file.Path; 36 import java.nio.file.Paths; 37 import java.util.Arrays; 38 import jdk.test.lib.Platform; 39 import jdk.test.lib.compiler.CompilerUtils; 40 import jdk.test.lib.process.ProcessTools; 41 import jdk.test.lib.process.OutputAnalyzer; 42 43 public class LongBCP { 44 45 private static final int MAX_PATH = 260; 46 47 public static void main(String args[]) throws Exception { 48 Path sourceDir = Paths.get(System.getProperty("test.src"), "test-classes"); 49 Path classDir = Paths.get(System.getProperty("test.classes")); 50 Path destDir = classDir; 51 52 // create a sub-path so that the destDir length is almost MAX_PATH 53 // so that the full path (with the class name) will exceed MAX_PATH 54 int subDirLen = MAX_PATH - classDir.toString().length() - 2; 55 if (subDirLen > 0) { 56 char[] chars = new char[subDirLen]; 57 Arrays.fill(chars, 'x'); 58 String subPath = new String(chars); 59 destDir = Paths.get(System.getProperty("test.classes"), subPath); 60 } 61 62 CompilerUtils.compile(sourceDir, destDir); 63 64 String bootCP = "-Xbootclasspath/a:" + destDir.toString(); 65 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder( 66 bootCP, "Hello"); 67 68 OutputAnalyzer output = new OutputAnalyzer(pb.start()); 69 output.shouldContain("Hello World") 70 .shouldHaveExitValue(0); 71 72 // increase the length of destDir to slightly over MAX_PATH 73 destDir = Paths.get(destDir.toString(), "xxxxx"); 74 CompilerUtils.compile(sourceDir, destDir); 75 76 bootCP = "-Xbootclasspath/a:" + destDir.toString(); 77 pb = ProcessTools.createJavaProcessBuilder( 78 bootCP, "Hello"); 79 80 output = new OutputAnalyzer(pb.start()); 81 output.shouldContain("Hello World") 82 .shouldHaveExitValue(0); 83 84 // relative path tests 85 // We currently cannot handle relative path specified in the 86 // -Xbootclasspath/a on windows. 87 // 88 // relative path length within the 256 limit 89 char[] chars = new char[255]; 90 Arrays.fill(chars, 'y'); 91 String subPath = new String(chars); 92 destDir = Paths.get(".", subPath); 93 94 CompilerUtils.compile(sourceDir, destDir); 95 96 bootCP = "-Xbootclasspath/a:" + destDir.toString(); 97 pb = ProcessTools.createJavaProcessBuilder( 98 bootCP, "Hello"); 99 100 output = new OutputAnalyzer(pb.start()); 101 if (!Platform.isWindows()) { 102 output.shouldContain("Hello World") 103 .shouldHaveExitValue(0); 104 } else { 105 output.shouldContain("Could not find or load main class Hello") 106 .shouldHaveExitValue(1); 107 } 108 109 // total relative path length exceeds MAX_PATH 110 destDir = Paths.get(destDir.toString(), "yyyyyyyy"); 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 if (!Platform.isWindows()) { 120 output.shouldContain("Hello World") 121 .shouldHaveExitValue(0); 122 } else { 123 output.shouldContain("Could not find or load main class Hello") 124 .shouldHaveExitValue(1); 125 } 126 } 127 }