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/*
* Copyright (c) 2017, 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.
*/
/**
* @test
* @bug 8030750
* @summary Test alternate hashing of strings in Serviceability Agent.
* @requires vm.hasSAandCanAttach
* @library /test/lib
* @library /lib/testlibrary
* @compile AlternateHashingTest.java
* @run main/timeout=240 AlternateHashingTest
*/
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.InputStreamReader;
import java.io.IOException;
import java.util.Arrays;
import jdk.testlibrary.JDKToolLauncher;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.Platform;
public class AlternateHashingTest {
private static LingeredAppWithAltHashing theApp = null;
/**
*
* @param vmArgs - tool arguments to launch jhsdb
* @return exit code of tool
*/
public static void launch(String expectedMessage, String cmd) throws IOException {
System.out.println("Starting LingeredApp");
try {
theApp = new LingeredAppWithAltHashing();
LingeredApp.startApp(Arrays.asList("-Xmx256m"), theApp);
System.out.println("Starting clhsdb against " + theApp.getPid());
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jhsdb");
launcher.addToolArg("clhsdb");
launcher.addToolArg("--pid=" + Long.toString(theApp.getPid()));
ProcessBuilder processBuilder = new ProcessBuilder(launcher.getCommand());
processBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
Process toolProcess = processBuilder.start();
try (OutputStream out = toolProcess.getOutputStream()) {
out.write(cmd.getBytes());
out.write("quit\n".getBytes());
}
boolean result = false;
try (BufferedReader reader =
new BufferedReader(new InputStreamReader(toolProcess.getInputStream()))) {
String line;
while ((line = reader.readLine()) != null) {
line = line.trim();
System.out.println(line);
if (line.contains(expectedMessage)) {
result = true;
break;
}
}
}
toolProcess.waitFor();
if (toolProcess.exitValue() != 0) {
throw new RuntimeException("FAILED CLHSDB terminated with non-zero exit code " + toolProcess.exitValue());
}
if (!result) {
throw new RuntimeException(cmd + " command output is missing the message " + expectedMessage);
}
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
public static void testAltHashing() throws IOException {
launch("Stack in use by Java", "threads\n");
}
public static void main(String[] args) throws Exception {
testAltHashing();
// The test throws RuntimeException on error.
// IOException is thrown if LingeredApp can't start because of some bad
// environment condition
System.out.println("Test PASSED");
}
}
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