1 /* 2 * Copyright (c) 2011, 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. 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 import static jdk.testlibrary.Asserts.*; 25 26 import java.io.IOException; 27 import java.nio.file.Files; 28 import java.nio.file.Path; 29 import java.nio.file.Paths; 30 import java.util.List; 31 32 import jdk.test.lib.process.OutputAnalyzer; 33 import jdk.test.lib.Utils; 34 35 /* 36 * @test 37 * @bug 7104647 38 * @summary Unit test for jcmd utility. Tests jcmd options which do not send 39 * requests to a specific JVM process. 40 * 41 * @library /lib/testlibrary 42 * @library /test/lib 43 * 44 * @build jdk.testlibrary.* 45 * @run main TestJcmdDefaults 46 */ 47 public class TestJcmdDefaults { 48 49 private static final String TEST_SRC = System.getProperty("test.src").trim(); 50 private static final String[] VM_ARGS = new String[] { "-XX:+UsePerfData" }; 51 private static final String JCMD_LIST_REGEX = "(?s)^\\d+\\s*.*"; 52 53 public static void main(String[] args) throws Exception { 54 testJcmdUsage("-?"); 55 testJcmdUsage("-h"); 56 testJcmdUsage("--help"); 57 testJcmdDefaults(); 58 testJcmdDefaults("-l"); 59 } 60 61 /** 62 * jcmd -J-XX:+UsePerfData -? 63 * jcmd -J-XX:+UsePerfData -h 64 * jcmd -J-XX:+UsePerfData --help 65 */ 66 private static void testJcmdUsage(String... jcmdArgs) throws Exception { 67 OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); 68 69 assertEquals(output.getExitValue(), 0); 70 verifyOutputAgainstFile(output); 71 } 72 73 /** 74 * jcmd -J-XX:+UsePerfData 75 * jcmd -J-XX:+UsePerfData -l 76 */ 77 private static void testJcmdDefaults(String... jcmdArgs) throws Exception { 78 OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); 79 80 output.shouldHaveExitValue(0); 81 output.shouldContain("sun.tools.jcmd.JCmd"); 82 matchListedProcesses(output); 83 } 84 85 /** 86 * Verifies the listed processes match a certain pattern. 87 * 88 * The output should look like: 89 * 12246 sun.tools.jcmd.JCmd 90 * 24428 com.sun.javatest.regtest.MainWrapper /tmp/jtreg/jtreg-workdir/classes/sun/tools/jcmd/TestJcmdDefaults.jta 91 * 92 * @param output The generated output from the jcmd. 93 */ 94 private static void matchListedProcesses(OutputAnalyzer output) { 95 output.shouldMatchByLine(JCMD_LIST_REGEX); 96 } 97 98 private static void verifyOutputAgainstFile(OutputAnalyzer output) throws IOException { 99 Path path = Paths.get(TEST_SRC, "usage.out"); 100 List<String> fileOutput = Files.readAllLines(path); 101 List<String> outputAsLines = output.asLines(); 102 assertTrue(outputAsLines.containsAll(fileOutput), 103 "The ouput should contain all content of " + path.toAbsolutePath()); 104 } 105 106 }