| /* |
| * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| import static jdk.testlibrary.Asserts.*; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| import java.util.List; |
| |
| import jdk.testlibrary.JcmdBase; |
| import jdk.testlibrary.OutputAnalyzer; |
| import jdk.testlibrary.Utils; |
| |
| /* |
| * @test |
| * @bug 7104647 |
| * @summary Unit test for jcmd utility. Tests jcmd options which do not send |
| * requests to a specific JVM process. |
| * |
| * @library /lib/testlibrary |
| * |
| * @build jdk.testlibrary.* |
| * @run main TestJcmdDefaults |
| */ |
| public class TestJcmdDefaults { |
| |
| private static final String TEST_SRC = System.getProperty("test.src").trim(); |
| private static final String[] VM_ARGS = new String[] { "-XX:+UsePerfData" }; |
| private static final String JCMD_LIST_REGEX = "^\\d+\\s*.*"; |
| |
| public static void main(String[] args) throws Exception { |
| testJcmdUsage("-h"); |
| testJcmdUsage("-help"); |
| testJcmdDefaults(); |
| testJcmdDefaults("-l"); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData -h |
| * jcmd -J-XX:+UsePerfData -help |
| */ |
| private static void testJcmdUsage(String... jcmdArgs) throws Exception { |
| OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); |
| |
| assertNotEquals(output.getExitValue(), 0); |
| verifyOutputAgainstFile(output); |
| } |
| |
| /** |
| * jcmd -J-XX:+UsePerfData |
| * jcmd -J-XX:+UsePerfData -l |
| */ |
| private static void testJcmdDefaults(String... jcmdArgs) throws Exception { |
| OutputAnalyzer output = JcmdBase.jcmdNoPid(VM_ARGS, jcmdArgs); |
| |
| output.shouldHaveExitValue(0); |
| output.shouldContain("sun.tools.jcmd.JCmd"); |
| matchListedProcesses(output); |
| } |
| |
| /** |
| * Verifies the listed processes match a certain pattern. |
| * |
| * The output should look like: |
| * 12246 sun.tools.jcmd.JCmd |
| * 24428 com.sun.javatest.regtest.MainWrapper /tmp/jtreg/jtreg-workdir/classes/sun/tools/jcmd/TestJcmdDefaults.jta |
| * |
| * @param output The generated output from the jcmd. |
| * @throws Exception |
| */ |
| private static void matchListedProcesses(OutputAnalyzer output) throws Exception { |
| int matchedCount = output.shouldMatchByLine(JCMD_LIST_REGEX); |
| assertGreaterThan(matchedCount , 0, |
| "Found no lines matching pattern: " + JCMD_LIST_REGEX); |
| } |
| |
| private static void verifyOutputAgainstFile(OutputAnalyzer output) throws IOException { |
| Path path = Paths.get(TEST_SRC, "usage.out"); |
| List<String> fileOutput = Files.readAllLines(path); |
| List<String> outputAsLines = output.asLines(); |
| assertTrue(outputAsLines.containsAll(fileOutput), |
| "The ouput should contain all content of " + path.toAbsolutePath()); |
| } |
| |
| } |