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.
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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
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23 */
24
25 /*
26 * @test
27 * @summary Handling of directories in -cp is based on the classlist
28 * @requires vm.cds
29 * @library /test/lib
30 * @modules jdk.jartool/sun.tools.jar
31 * @compile test-classes/Hello.java
32 * @compile test-classes/Super.java
33 * @run driver DirClasspathTest
34 */
35
36 import jdk.test.lib.Platform;
37 import jdk.test.lib.process.OutputAnalyzer;
38 import java.io.File;
39 import java.nio.file.Files;
40 import java.nio.file.Path;
41 import java.nio.file.Paths;
42 import java.util.Arrays;
43
44 public class DirClasspathTest {
45 private static final int MAX_PATH = 260;
46
47 // We add helloJar into the classpath to be compatible with TestCommon.DYNAMIC_DUMP
48 static OutputAnalyzer doDump(String path, String classList[],
49 String... suffix) throws Exception {
50 String helloJar = JarBuilder.getOrCreateHelloJar();
51 return TestCommon.dump(helloJar + File.pathSeparator + path, classList, suffix);
52 }
53
54 public static void main(String[] args) throws Exception {
55 File dir = new File(System.getProperty("user.dir"));
56 File emptydir = new File(dir, "emptydir");
57 emptydir.mkdir();
58
59
60 /////////////////////////////////////////////////////////////////
61 // The classlist only contains boot class in following test cases
62 /////////////////////////////////////////////////////////////////
63 String bootClassList[] = {"java/lang/Object"};
64
65 // Empty dir in -cp: should be OK
66 OutputAnalyzer output;
67 output = doDump(emptydir.getPath(), bootClassList, "-Xlog:class+path=info");
68 TestCommon.checkDump(output);
69
70 // Long path to empty dir in -cp: should be OK
71 Path classDir = Paths.get(System.getProperty("test.classes"));
72 Path destDir = classDir;
73 int subDirLen = MAX_PATH - classDir.toString().length() - 2;
74 if (subDirLen > 0) {
75 char[] chars = new char[subDirLen];
76 Arrays.fill(chars, 'x');
77 String subPath = new String(chars);
78 destDir = Paths.get(System.getProperty("test.classes"), subPath);
79 }
80 File longDir = destDir.toFile();
81 longDir.mkdir();
82 File subDir = new File(longDir, "subdir");
83 subDir.mkdir();
84 output = doDump(subDir.getPath(), bootClassList, "-Xlog:class+path=info");
85 TestCommon.checkDump(output);
86
87 // Non-empty dir in -cp: should be OK
88 // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>
89 output = doDump(dir.getPath(), bootClassList, "-Xlog:class+path=info");
90 TestCommon.checkDump(output);
91
92 // Long path to non-empty dir in -cp: should be OK
93 // <dir> is not empty because it has at least one subdirectory, i.e., <emptydir>
94 output = doDump(longDir.getPath(), bootClassList, "-Xlog:class+path=info");
95 TestCommon.checkDump(output);
96
97 /////////////////////////////////////////////////////////////////
98 // The classlist contains non-boot class in following test cases
99 /////////////////////////////////////////////////////////////////
100 String appClassList[] = {"java/lang/Object", "com/sun/tools/javac/Main"};
101
102 // Non-empty dir in -cp: should be OK (as long as no classes were loaded from there)
103 output = doDump(dir.getPath(), appClassList, "-Xlog:class+path=info");
104 TestCommon.checkDump(output);
105
106 // Long path to non-empty dir in -cp: should be OK (as long as no classes were loaded from there)
107 output = doDump(longDir.getPath(), appClassList, "-Xlog:class+path=info");
108 TestCommon.checkDump(output);
109
110 /////////////////////////////////////////////////////////////////
111 // Loading an app class from a directory
112 /////////////////////////////////////////////////////////////////
113 String appClassList2[] = {"Super", "java/lang/Object", "com/sun/tools/javac/Main"};
114 // Non-empty dir in -cp: should report error if a class is loaded from it
115 output = doDump(classDir.toString(), appClassList2, "-Xlog:class+path=info,class+load=trace");
116 output.shouldNotHaveExitValue(0);
117 output.shouldContain("Cannot have non-empty directory in paths");
118
119 // Long path to non-empty dir in -cp: should report error if a class is loaded from it
120 File srcClass = new File(classDir.toFile(), "Super.class");
121 File destClass = new File(longDir, "Super.class");
122 Files.copy(srcClass.toPath(), destClass.toPath());
123 output = doDump(longDir.getPath(), appClassList2, "-Xlog:class+path=info");
124 output.shouldNotHaveExitValue(0);
125 output.shouldContain("Cannot have non-empty directory in paths");
126 }
127 }