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.io.File;
36 import java.nio.file.Files;
37 import java.nio.file.FileStore;
38 import java.nio.file.Path;
39 import java.nio.file.Paths;
40 import java.util.Arrays;
41 import jdk.test.lib.Platform;
42 import jdk.test.lib.compiler.CompilerUtils;
43 import jdk.test.lib.process.ProcessTools;
44 import jdk.test.lib.process.OutputAnalyzer;
45
46 public class LongBCP {
47
48 private static final int MAX_PATH = 260;
49
50 public static void main(String args[]) throws Exception {
51 Path sourceDir = Paths.get(System.getProperty("test.src"), "test-classes");
52 Path classDir = Paths.get(System.getProperty("test.classes"));
53 Path destDir = classDir;
54
55 // create a sub-path so that the destDir length is almost MAX_PATH
56 // so that the full path (with the class name) will exceed MAX_PATH
57 int subDirLen = MAX_PATH - classDir.toString().length() - 2;
58 if (subDirLen > 0) {
59 char[] chars = new char[subDirLen];
60 Arrays.fill(chars, 'x');
61 String subPath = new String(chars);
62 destDir = Paths.get(System.getProperty("test.classes"), subPath);
63 }
64
65 CompilerUtils.compile(sourceDir, destDir);
66
67 String bootCP = "-Xbootclasspath/a:" + destDir.toString();
68 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
69 bootCP, "Hello");
70
71 OutputAnalyzer output = new OutputAnalyzer(pb.start());
72 output.shouldContain("Hello World")
73 .shouldHaveExitValue(0);
74
75 // increase the length of destDir to slightly over MAX_PATH
76 destDir = Paths.get(destDir.toString(), "xxxxx");
77 CompilerUtils.compile(sourceDir, destDir);
78
79 bootCP = "-Xbootclasspath/a:" + destDir.toString();
80 pb = ProcessTools.createJavaProcessBuilder(
81 bootCP, "Hello");
82
83 output = new OutputAnalyzer(pb.start());
84 output.shouldContain("Hello World")
85 .shouldHaveExitValue(0);
86
87 // relative path tests
88 // We currently cannot handle relative path specified in the
89 // -Xbootclasspath/a on windows.
90 //
91 // relative path length within the file system limit
92 int fn_max_length = 255;
93 // In AUFS file system, the maximal file name length is 242
94 FileStore store = Files.getFileStore(new File(".").toPath());
95 String fs_type = store.type();
96 if ("aufs".equals(fs_type)) {
97 fn_max_length = 242;
98 }
99 char[] chars = new char[fn_max_length];
100 Arrays.fill(chars, 'y');
101 String subPath = new String(chars);
102 destDir = Paths.get(".", subPath);
103
104 CompilerUtils.compile(sourceDir, destDir);
105
106 bootCP = "-Xbootclasspath/a:" + destDir.toString();
107 pb = ProcessTools.createJavaProcessBuilder(
108 bootCP, "Hello");
109
110 output = new OutputAnalyzer(pb.start());
111 if (!Platform.isWindows()) {
112 output.shouldContain("Hello World")
113 .shouldHaveExitValue(0);
114 } else {
115 output.shouldContain("Could not find or load main class Hello")
116 .shouldHaveExitValue(1);
117 }
118
119 // total relative path length exceeds MAX_PATH
120 destDir = Paths.get(destDir.toString(), "yyyyyyyy");
121
122 CompilerUtils.compile(sourceDir, destDir);
123
124 bootCP = "-Xbootclasspath/a:" + destDir.toString();
125 pb = ProcessTools.createJavaProcessBuilder(
126 bootCP, "Hello");
127
128 output = new OutputAnalyzer(pb.start());
129 if (!Platform.isWindows()) {
130 output.shouldContain("Hello World")
131 .shouldHaveExitValue(0);
132 } else {
133 output.shouldContain("Could not find or load main class Hello")
134 .shouldHaveExitValue(1);
135 }
136 }
137 }