1 /*
2 * Copyright (c) 2018, 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
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7 * published by the Free Software Foundation.
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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15 * You should have received a copy of the GNU General Public License version
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24
25 /**
26 * @test
27 * @requires vm.cds
28 * @library /test/jdk/lib/testlibrary /test/lib /test/hotspot/jtreg/runtime/appcds
29 * @modules jdk.compiler
30 * jdk.jartool/sun.tools.jar
31 * jdk.jlink
32 * @run main MainModuleOnly
33 * @summary Test some scenarios with a main modular jar specified in the --module-path and -cp options in the command line.
34 */
35
36 import java.io.File;
37 import java.nio.file.Files;
38 import java.nio.file.Path;
39 import java.nio.file.Paths;
40 import java.util.Arrays;
41
42 import jdk.test.lib.process.OutputAnalyzer;
43 import jdk.test.lib.Platform;
44 import jdk.testlibrary.ProcessTools;
45
46 public class MainModuleOnly {
47
48 private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));
49
50 private static final String TEST_SRC = System.getProperty("test.src");
51
52 private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
53 private static final Path MODS_DIR = Paths.get("mods");
54
55 // the module name of the test module
56 private static final String TEST_MODULE1 = "com.simple";
57
58 // the module main class
59 private static final String MAIN_CLASS = "com.simple.Main";
60
61 private static Path moduleDir = null;
62 private static Path moduleDir2 = null;
63 private static Path destJar = null;
64
65 public static void buildTestModule() throws Exception {
66
67 // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
68 JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
69 MODS_DIR.resolve(TEST_MODULE1),
70 MODS_DIR.toString());
71
72
73 moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
74 moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");
75
76 Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
77 destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
78 String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
79 JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
80 Files.copy(srcJar, destJar);
81
82 }
83
84 public static void main(String... args) throws Exception {
85 // compile the modules and create the modular jar files
86 buildTestModule();
87 String appClasses[] = {MAIN_CLASS};
88 // create an archive with both -cp and --module-path in the command line.
89 // Only the class in the modular jar in the --module-path will be archived;
90 // the class in the modular jar in the -cp won't be archived.
91 OutputAnalyzer output = TestCommon.createArchive(
92 destJar.toString(), appClasses,
93 "--module-path", moduleDir.toString(),
94 "-m", TEST_MODULE1);
95 TestCommon.checkDump(output);
96
97 // run with the archive using the same command line as in dump time.
98 // The main class should be loaded from the archive.
99 TestCommon.run("-Xlog:class+load=trace",
100 "-cp", destJar.toString(),
101 "--module-path", moduleDir.toString(),
102 "-m", TEST_MODULE1)
103 .assertNormalExit("[class,load] com.simple.Main source: shared objects file");
104
105 // run with the archive with the main class name inserted before the -m.
106 // The main class name will be picked up before the module name. So the
107 // main class should be loaded from the jar in the -cp.
108 TestCommon.run("-Xlog:class+load=trace",
109 "-cp", destJar.toString(),
110 "--module-path", moduleDir.toString(),
111 MAIN_CLASS, "-m", TEST_MODULE1)
112 .assertNormalExit(out ->
113 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));
114
115 // run with the archive with exploded module. Since during dump time, we
116 // only archive classes from the modular jar in the --module-path, the
117 // main class should be loaded from the exploded module directory.
118 TestCommon.run("-Xlog:class+load=trace",
119 "-cp", destJar.toString(),
120 "--module-path", MODS_DIR.toString(),
121 "-m", TEST_MODULE1 + "/" + MAIN_CLASS)
122 .assertNormalExit(out -> {
123 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
124 .shouldContain(MODS_DIR.toString());
125 });
126
127 // run with the archive with the --upgrade-module-path option.
128 // CDS will be disabled with this options and the main class will be
129 // loaded from the modular jar.
130 TestCommon.run("-Xlog:class+load=trace",
131 "-cp", destJar.toString(),
132 "--upgrade-module-path", moduleDir.toString(),
133 "--module-path", moduleDir.toString(),
134 "-m", TEST_MODULE1)
135 .assertSilentlyDisabledCDS(out -> {
136 out.shouldHaveExitValue(0)
137 .shouldMatch("CDS is disabled when the.*option is specified")
138 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
139 });
140 // run with the archive with the --limit-modules option.
141 // CDS will be disabled with this options and the main class will be
142 // loaded from the modular jar.
143 TestCommon.run("-Xlog:class+load=trace",
144 "-cp", destJar.toString(),
145 "--limit-modules", "java.base," + TEST_MODULE1,
146 "--module-path", moduleDir.toString(),
147 "-m", TEST_MODULE1)
148 .assertSilentlyDisabledCDS(out -> {
149 out.shouldHaveExitValue(0)
150 .shouldMatch("CDS is disabled when the.*option is specified")
151 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
152 });
153 // run with the archive with the --patch-module option.
154 // CDS will be disabled with this options and the main class will be
155 // loaded from the modular jar.
156 TestCommon.run("-Xlog:class+load=trace",
157 "-cp", destJar.toString(),
158 "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
159 "--module-path", moduleDir.toString(),
160 "-m", TEST_MODULE1)
161 .assertSilentlyDisabledCDS(out -> {
162 out.shouldHaveExitValue(0)
163 .shouldMatch("CDS is disabled when the.*option is specified")
164 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
165 });
166 // modify the timestamp of the jar file
167 (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
168 // run with the archive and the jar with modified timestamp.
169 // It should fail due to timestamp of the jar doesn't match the one
170 // used during dump time.
171 TestCommon.run("-cp", destJar.toString(),
172 "--module-path", moduleDir.toString(),
173 "-m", TEST_MODULE1)
174 .assertAbnormalExit(
175 "A jar file is not the one used while building the shared archive file:");
176 // create an archive with a non-empty directory in the --module-path.
177 // The dumping process will exit with an error due to non-empty directory
178 // in the --module-path.
179 output = TestCommon.createArchive(destJar.toString(), appClasses,
180 "--module-path", MODS_DIR.toString(),
181 "-m", TEST_MODULE1);
182 output.shouldHaveExitValue(1)
183 .shouldMatch("Error: non-empty directory.*com.simple");
184
185 // test module path with very long length
186 //
187 // This test can't be run on the windows platform due to an existing
188 // issue in ClassLoader::get_canonical_path() (JDK-8190737).
189 if (Platform.isWindows()) {
190 System.out.println("Long module path test cannot be tested on the Windows platform.");
191 return;
192 }
193 Path longDir = USER_DIR;
194 int pathLen = longDir.toString().length();
195 int PATH_LEN = 2034;
196 int MAX_DIR_LEN = 250;
197 while (pathLen < PATH_LEN) {
198 int remaining = PATH_LEN - pathLen;
199 int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining;
200 char[] chars = new char[subPathLen];
201 Arrays.fill(chars, 'x');
202 String subPath = new String(chars);
203 longDir = Paths.get(longDir.toString(), subPath);
204 pathLen = longDir.toString().length();
205 }
206 File longDirFile = new File(longDir.toString());
207 try {
208 longDirFile.mkdirs();
209 } catch (Exception e) {
210 throw e;
211 }
212 Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar");
213 // IOException results from the Files.copy() call on platform
214 // such as MacOS X. Test can't be proceeded further with the
215 // exception.
216 try {
217 Files.copy(destJar, longDirJar);
218 } catch (java.io.IOException ioe) {
219 System.out.println("Caught IOException from Files.copy(). Cannot continue.");
220 return;
221 }
222 output = TestCommon.createArchive(destJar.toString(), appClasses,
223 "-Xlog:exceptions=trace",
224 "--module-path", longDirJar.toString(),
225 "-m", TEST_MODULE1);
226 if (output.getExitValue() != 0) {
227 output.shouldMatch("os::stat error.*CDS dump aborted");
228 }
229 }
230 }