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/*
* Copyright (c) 2011, 2018, 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 = "(?s)^\\d+\\s*.*";
public static void main(String[] args) throws Exception {
testJcmdUsage("-?");
testJcmdUsage("-h");
testJcmdUsage("--help");
testJcmdDefaults();
testJcmdDefaults("-l");
}
/**
* jcmd -J-XX:+UsePerfData -?
* 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);
assertEquals(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());
}
}
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