1 /*
2 * Copyright (c) 2014, 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
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
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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).
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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
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23 */
24
25 /*
26 * @test
27 * @summary Testing use of UseAppCDS flag
28 * @requires vm.cds
29 * @library /test/lib
30 * @modules java.base/jdk.internal.misc
31 * java.management
32 * jdk.jartool/sun.tools.jar
33 * @build UseAppCDS_Test
34 * @run main UseAppCDS
35 */
36
37 import jdk.test.lib.JDKToolLauncher;
38 import jdk.test.lib.cds.CDSTestUtils;
39 import jdk.test.lib.process.OutputAnalyzer;
40 import jdk.test.lib.process.ProcessTools;
41
42 import java.util.ArrayList;
43 import java.util.List;
44 import java.io.*;
45
46 public class UseAppCDS {
47
48 // Class UseAppCDS_Test is loaded by the App loader
49
50 static final String TEST_OUT = "UseAppCDS_Test.main--executed";
51
52 private static final String TESTJAR = "./test.jar";
53 private static final String TESTNAME = "UseAppCDS_Test";
54 private static final String TESTCLASS = TESTNAME + ".class";
55
56 private static final String CLASSES_DIR = System.getProperty("test.classes", ".");
57 private static final String CLASSLIST_FILE = "./UseAppCDS.classlist";
58 private static final String ARCHIVE_FILE = "./shared.jsa";
59 private static final String BOOTCLASS = "java.lang.Class";
60
61 public static void main(String[] args) throws Exception {
62
63 // First create a jar file for the application "test" class
64 JDKToolLauncher jar = JDKToolLauncher.create("jar")
65 .addToolArg("-cf")
66 .addToolArg(TESTJAR)
67 .addToolArg("-C")
68 .addToolArg(CLASSES_DIR)
69 .addToolArg(TESTCLASS);
70
71 ProcessBuilder pb = new ProcessBuilder(jar.getCommand());
72 TestCommon.executeAndLog(pb, "jar01").shouldHaveExitValue(0);
73
74 pb = new ProcessBuilder(jar.getCommand());
75 TestCommon.executeAndLog(pb, "jar02").shouldHaveExitValue(0);
76
77 // In all tests the BOOTCLASS and TESTNAME should be loaded/dumped/used
78
79 // Test 1: -XX:-UseAppCDS - No effect, dumping loaded classes includes "test" classes
80 dumpLoadedClasses(false, new String[] { BOOTCLASS, TESTNAME },
81 new String[0]);
82
83 // Test 2: -XX:+UseAppCDS - dumping loaded classes includes "test" classes
84 dumpLoadedClasses(true, new String[] { BOOTCLASS, TESTNAME },
85 new String[0]);
86
87 // Next tests rely on the classlist we just dumped
88
89 // Test 3: -XX:-UseAppCDS - No effect, "test" classes in classlist are dumped
90 dumpArchive(false, new String[] { BOOTCLASS, TESTNAME },
91 new String[0]);
92
93 // Test 4: -XX:+UseAppCDS - "test" classes in classlist are dumped
94 dumpArchive(true, new String[] { BOOTCLASS, TESTNAME },
95 new String[0]);
96
97 // Next tests rely on the archive we just dumped
98
99 // Test 5: -XX:-UseAppCDS - No effect, using archive containing "test" loads them
100 useArchive(false, new String[] { BOOTCLASS, TESTNAME },
101 new String[0]);
102
103 // Test 6: -XX:+UseAppCDS - Using archive containing "test" classes loads them
104 useArchive(true, new String[] { BOOTCLASS, TESTNAME },
105 new String[0]);
106 }
107
108 public static List<String> toClassNames(String filename) throws IOException {
109 ArrayList<String> classes = new ArrayList<>();
110 try (BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(filename)))) {
111 for (; ; ) {
112 String line = br.readLine();
113 if (line == null) {
114 break;
115 }
116 classes.add(line.replaceAll("/", "."));
117 }
118 }
119 return classes;
120 }
121
122 static void dumpLoadedClasses(boolean useAppCDS, String[] expectedClasses,
123 String[] unexpectedClasses) throws Exception {
124 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
125 TestCommon.makeCommandLineForAppCDS(
126 "-XX:DumpLoadedClassList=" + CLASSLIST_FILE,
127 "-cp",
128 TESTJAR,
129 (useAppCDS) ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
130 TESTNAME,
131 TEST_OUT));
132
133 OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-loaded-classes")
134 .shouldHaveExitValue(0).shouldContain(TEST_OUT);
135
136 List<String> dumpedClasses = toClassNames(CLASSLIST_FILE);
137
138 for (String clazz : expectedClasses) {
139 if (!dumpedClasses.contains(clazz)) {
140 throw new RuntimeException(clazz + " missing in " +
141 CLASSLIST_FILE);
142 }
143 }
144 for (String clazz : unexpectedClasses) {
145 if (dumpedClasses.contains(clazz)) {
146 throw new RuntimeException("Unexpectedly found " + clazz +
147 " in " + CLASSLIST_FILE);
148 }
149 }
150 }
151
152 static void dumpArchive(boolean useAppCDS, String[] expectedClasses,
153 String[] unexpectedClasses) throws Exception {
154 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
155 TestCommon.makeCommandLineForAppCDS(
156 "-cp",
157 TESTJAR,
158 useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
159 "-XX:SharedClassListFile=" + CLASSLIST_FILE,
160 "-XX:SharedArchiveFile=" + ARCHIVE_FILE,
161 "-Xlog:cds",
162 "-Xshare:dump"));
163
164 OutputAnalyzer output = TestCommon.executeAndLog(pb, "dump-archive")
165 .shouldHaveExitValue(0);
166
167 for (String clazz : expectedClasses) {
168 String failed = "Preload Warning: Cannot find " + clazz;
169 output.shouldNotContain(failed);
170 }
171 for (String clazz : unexpectedClasses) {
172 String failed = "Preload Warning: Cannot find " + clazz;
173 output.shouldContain(failed);
174 }
175 }
176
177 static void useArchive(boolean useAppCDS, String[] expectedClasses,
178 String[] unexpectedClasses) throws Exception {
179 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(true,
180 TestCommon.makeCommandLineForAppCDS(
181 "-cp",
182 TESTJAR,
183 useAppCDS ? "-XX:+UseAppCDS" : "-XX:-UseAppCDS",
184 "-XX:SharedArchiveFile=" + ARCHIVE_FILE,
185 "-verbose:class",
186 "-Xshare:on",
187 TESTNAME,
188 TEST_OUT));
189
190 OutputAnalyzer output = TestCommon.executeAndLog(pb, "use-archive");
191 if (CDSTestUtils.isUnableToMap(output))
192 System.out.println("Unable to map: test case skipped");
193 else
194 output.shouldHaveExitValue(0).shouldContain(TEST_OUT);
195
196 // Quote the class name in the regex as it may contain $
197 String prefix = ".class,load. ";
198 String archive_suffix = ".*source: shared objects file.*";
199 String jar_suffix = ".*source: .*\\.jar";
200
201 for (String clazz : expectedClasses) {
202 String pattern = prefix + clazz + archive_suffix;
203 try {
204 output.shouldMatch(pattern);
205 } catch (Exception e) {
206 TestCommon.checkCommonExecExceptions(output, e);
207 }
208 }
209
210 for (String clazz : unexpectedClasses) {
211 String pattern = prefix + clazz + archive_suffix;
212 try {
213 output.shouldNotMatch(pattern);
214 } catch (Exception e) {
215 TestCommon.checkCommonExecExceptions(output, e);
216 }
217 pattern = prefix + clazz + jar_suffix;
218 try {
219 output.shouldMatch(pattern);
220 } catch (Exception e) {
221 TestCommon.checkCommonExecExceptions(output, e);
222 }
223 }
224 }
225 }