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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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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24
25 /**
26 * @test
27 * @requires vm.cds
28 * @library /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
45 public class MainModuleOnly {
46
47 private static final Path USER_DIR = Paths.get(System.getProperty("user.dir"));
48
49 private static final String TEST_SRC = System.getProperty("test.src");
50
51 private static final Path SRC_DIR = Paths.get(TEST_SRC, "src");
52 private static final Path MODS_DIR = Paths.get("mods");
53
54 // the module name of the test module
55 private static final String TEST_MODULE1 = "com.simple";
56
57 // the module main class
58 private static final String MAIN_CLASS = "com.simple.Main";
59
60 private static Path moduleDir = null;
61 private static Path moduleDir2 = null;
62 private static Path destJar = null;
63
64 public static void buildTestModule() throws Exception {
65
66 // javac -d mods/$TESTMODULE --module-path MOD_DIR src/$TESTMODULE/**
67 JarBuilder.compileModule(SRC_DIR.resolve(TEST_MODULE1),
68 MODS_DIR.resolve(TEST_MODULE1),
69 MODS_DIR.toString());
70
71
72 moduleDir = Files.createTempDirectory(USER_DIR, "mlib");
73 moduleDir2 = Files.createTempDirectory(USER_DIR, "mlib2");
74
75 Path srcJar = moduleDir.resolve(TEST_MODULE1 + ".jar");
76 destJar = moduleDir2.resolve(TEST_MODULE1 + ".jar");
77 String classes = MODS_DIR.resolve(TEST_MODULE1).toString();
78 JarBuilder.createModularJar(srcJar.toString(), classes, MAIN_CLASS);
79 Files.copy(srcJar, destJar);
80
81 }
82
83 public static void main(String... args) throws Exception {
84 // compile the modules and create the modular jar files
85 buildTestModule();
86 String appClasses[] = {MAIN_CLASS};
87 // create an archive with both -cp and --module-path in the command line.
88 // Only the class in the modular jar in the --module-path will be archived;
89 // the class in the modular jar in the -cp won't be archived.
90 OutputAnalyzer output = TestCommon.createArchive(
91 destJar.toString(), appClasses,
92 "--module-path", moduleDir.toString(),
93 "-m", TEST_MODULE1);
94 TestCommon.checkDump(output);
95
96 // run with the archive using the same command line as in dump time.
97 // The main class should be loaded from the archive.
98 TestCommon.run("-Xlog:class+load=trace",
99 "-cp", destJar.toString(),
100 "--module-path", moduleDir.toString(),
101 "-m", TEST_MODULE1)
102 .assertNormalExit("[class,load] com.simple.Main source: shared objects file");
103
104 // run with the archive with the main class name inserted before the -m.
105 // The main class name will be picked up before the module name. So the
106 // main class should be loaded from the jar in the -cp.
107 TestCommon.run("-Xlog:class+load=trace",
108 "-cp", destJar.toString(),
109 "--module-path", moduleDir.toString(),
110 MAIN_CLASS, "-m", TEST_MODULE1)
111 .assertNormalExit(out ->
112 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar"));
113
114 // run with the archive with exploded module. Since during dump time, we
115 // only archive classes from the modular jar in the --module-path, the
116 // main class should be loaded from the exploded module directory.
117 TestCommon.run("-Xlog:class+load=trace",
118 "-cp", destJar.toString(),
119 "--module-path", MODS_DIR.toString(),
120 "-m", TEST_MODULE1 + "/" + MAIN_CLASS)
121 .assertNormalExit(out -> {
122 out.shouldMatch(".class.load. com.simple.Main source:.*com.simple")
123 .shouldContain(MODS_DIR.toString());
124 });
125
126 // run with the archive with the --upgrade-module-path option.
127 // CDS will be disabled with this options and the main class will be
128 // loaded from the modular jar.
129 TestCommon.run("-Xlog:class+load=trace",
130 "-cp", destJar.toString(),
131 "--upgrade-module-path", moduleDir.toString(),
132 "--module-path", moduleDir.toString(),
133 "-m", TEST_MODULE1)
134 .assertSilentlyDisabledCDS(out -> {
135 out.shouldHaveExitValue(0)
136 .shouldMatch("CDS is disabled when the.*option is specified")
137 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
138 });
139 // run with the archive with the --limit-modules option.
140 // CDS will be disabled with this options and the main class will be
141 // loaded from the modular jar.
142 TestCommon.run("-Xlog:class+load=trace",
143 "-cp", destJar.toString(),
144 "--limit-modules", "java.base," + TEST_MODULE1,
145 "--module-path", moduleDir.toString(),
146 "-m", TEST_MODULE1)
147 .assertSilentlyDisabledCDS(out -> {
148 out.shouldHaveExitValue(0)
149 .shouldMatch("CDS is disabled when the.*option is specified")
150 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
151 });
152 // run with the archive with the --patch-module option.
153 // CDS will be disabled with this options and the main class will be
154 // loaded from the modular jar.
155 TestCommon.run("-Xlog:class+load=trace",
156 "-cp", destJar.toString(),
157 "--patch-module", TEST_MODULE1 + "=" + MODS_DIR.toString(),
158 "--module-path", moduleDir.toString(),
159 "-m", TEST_MODULE1)
160 .assertSilentlyDisabledCDS(out -> {
161 out.shouldHaveExitValue(0)
162 .shouldMatch("CDS is disabled when the.*option is specified")
163 .shouldMatch(".class.load. com.simple.Main source:.*com.simple.jar");
164 });
165 // modify the timestamp of the jar file
166 (new File(destJar.toString())).setLastModified(System.currentTimeMillis() + 2000);
167 // run with the archive and the jar with modified timestamp.
168 // It should fail due to timestamp of the jar doesn't match the one
169 // used during dump time.
170 TestCommon.run("-cp", destJar.toString(),
171 "--module-path", moduleDir.toString(),
172 "-m", TEST_MODULE1)
173 .assertAbnormalExit(
174 "A jar file is not the one used while building the shared archive file:");
175 // create an archive with a non-empty directory in the --module-path.
176 // The dumping process will exit with an error due to non-empty directory
177 // in the --module-path.
178 output = TestCommon.createArchive(destJar.toString(), appClasses,
179 "--module-path", MODS_DIR.toString(),
180 "-m", TEST_MODULE1);
181 output.shouldHaveExitValue(1)
182 .shouldMatch("Error: non-empty directory.*com.simple");
183
184 // test module path with very long length
185 //
186 // This test can't be run on the windows platform due to an existing
187 // issue in ClassLoader::get_canonical_path() (JDK-8190737).
188 if (Platform.isWindows()) {
189 System.out.println("Long module path test cannot be tested on the Windows platform.");
190 return;
191 }
192 Path longDir = USER_DIR;
193 int pathLen = longDir.toString().length();
194 int PATH_LEN = 2034;
195 int MAX_DIR_LEN = 250;
196 while (pathLen < PATH_LEN) {
197 int remaining = PATH_LEN - pathLen;
198 int subPathLen = remaining > MAX_DIR_LEN ? MAX_DIR_LEN : remaining;
199 char[] chars = new char[subPathLen];
200 Arrays.fill(chars, 'x');
201 String subPath = new String(chars);
202 longDir = Paths.get(longDir.toString(), subPath);
203 pathLen = longDir.toString().length();
204 }
205 File longDirFile = new File(longDir.toString());
206 try {
207 longDirFile.mkdirs();
208 } catch (Exception e) {
209 throw e;
210 }
211 Path longDirJar = longDir.resolve(TEST_MODULE1 + ".jar");
212 // IOException results from the Files.copy() call on platform
213 // such as MacOS X. Test can't be proceeded further with the
214 // exception.
215 try {
216 Files.copy(destJar, longDirJar);
217 } catch (java.io.IOException ioe) {
218 System.out.println("Caught IOException from Files.copy(). Cannot continue.");
219 return;
220 }
221 output = TestCommon.createArchive(destJar.toString(), appClasses,
222 "-Xlog:exceptions=trace",
223 "--module-path", longDirJar.toString(),
224 "-m", TEST_MODULE1);
225 if (output.getExitValue() != 0) {
226 output.shouldMatch("os::stat error.*CDS dump aborted");
227 }
228 }
229 }