1 /* 2 * Copyright (c) 2011, 2014, 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.File; 27 import java.io.IOException; 28 import java.util.List; 29 30 import jdk.testlibrary.JcmdBase; 31 import jdk.testlibrary.OutputAnalyzer; 32 import jdk.testlibrary.Utils; 33 34 /** 35 * Unit test for jcmd utility. Tests jcmd options which do not send 36 * requests to a specific JVM process. 37 */ 38 /* 39 * @test 40 * @bug 7104647 41 * @library /lib/testlibrary 42 * @run main TestJcmdDefaults 43 */ 44 public class TestJcmdDefaults { 45 46 private static final String TEST_SRC = System.getProperty("test.src").trim(); 47 private static final String[] VM_ARGS = new String[] { "-XX:+UsePerfData" }; 48 private static final String JCMD_LIST_REGEX = "^\\d+\\s*.*"; 49 50 public static void main(String[] args) throws Exception { 51 testJcmdUsage("-h"); 52 testJcmdUsage("-help"); 53 testJcmdDefaults(); 54 testJcmdDefaults("-l"); 55 } 56 57 /** 58 * jcmd -J-XX:+UsePerfData -h 59 * jcmd -J-XX:+UsePerfData -help 60 */ 61 private static void testJcmdUsage(String... jcmdArgs) throws Exception { 62 OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); 63 64 assertNotEquals(output.getExitValue(), 0); 65 verifyOutputAgainstFile(output); 66 } 67 68 /** 69 * jcmd -J-XX:+UsePerfData 70 * jcmd -J-XX:+UsePerfData -l 71 */ 72 private static void testJcmdDefaults(String... jcmdArgs) throws Exception { 73 OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); 74 75 output.shouldHaveExitValue(0); 76 output.shouldContain("sun.tools.jcmd.JCmd"); 77 matchListedProcesses(output); 78 } 79 80 /** 81 * Verifies the listed processes match a certain pattern. 82 * 83 * The output should look like: 84 * 12246 sun.tools.jcmd.JCmd 85 * 24428 com.sun.javatest.regtest.MainWrapper /tmp/jtreg/jtreg-workdir/classes/sun/tools/jcmd/TestJcmdDefaults.jta 86 * 87 * @param output The generated output from the jcmd. 88 * @throws Exception 89 */ 90 private static void matchListedProcesses(OutputAnalyzer output) throws Exception { 91 int matchedCount = output.shouldMatchByLine(JCMD_LIST_REGEX); 92 assertGreaterThan(matchedCount , 0, 93 "Found no lines matching pattern: " + JCMD_LIST_REGEX); 94 } 95 96 private static void verifyOutputAgainstFile(OutputAnalyzer output) throws IOException { 97 File file = new File(TEST_SRC, "usage.out"); 98 List<String> fileOutput = Utils.fileAsList(file); 99 List<String> outputAsLines = output.asLines(); 100 assertTrue(outputAsLines.containsAll(fileOutput), 101 "The ouput should contain all content of " + file.getAbsolutePath()); 102 } 103 104 }