jdk-24/test/hotspot/jtreg/serviceability/sa/ClhsdbDumpclass.java
Roman Marchenko a258fc443f 8315648: Add test for JDK-8309979 changes
Reviewed-by: cjplummer
2023-09-06 07:19:53 +00:00

107 lines
4.4 KiB
Java

/*
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* 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
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*
* 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
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import java.io.File;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import jdk.test.lib.Utils;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.SA.SATestUtils;
import jtreg.SkippedException;
/**
* @test
* @bug 8240990
* @summary Test clhsdb dumpclass command
* @requires vm.hasSA
* @library /test/lib
* @run driver ClhsdbDumpclass
*/
public class ClhsdbDumpclass {
static final String APP_DOT_CLASSNAME = LingeredApp.class.getName();
static final String APP_SLASH_CLASSNAME = APP_DOT_CLASSNAME.replace('.', '/');
public static void main(String[] args) throws Exception {
if (SATestUtils.needsPrivileges()) {
// This test will create a file as root that cannot be easily deleted, so don't run it.
throw new SkippedException("Cannot run this test on OSX if adding privileges is required.");
}
System.out.println("Starting ClhsdbDumpclass test");
LingeredApp theApp = null;
try {
ClhsdbLauncher test = new ClhsdbLauncher();
theApp = LingeredApp.startApp();
System.out.println("Started LingeredApp with pid " + theApp.getPid());
// Run "dumpclass jdk/test/lib/apps/LingeredApp"
String cmd = "dumpclass " + APP_DOT_CLASSNAME;
List<String> cmds = List.of(cmd);
Map<String, List<String>> unExpStrMap = new HashMap<>();
unExpStrMap.put(cmd, List.of("class not found"));
test.run(theApp.getPid(), cmds, null, unExpStrMap);
File classFile = new File(APP_SLASH_CLASSNAME + ".class");
if (!classFile.exists()) {
throw new RuntimeException("FAILED: Cannot find dumped .class file");
}
// Run javap on the generated class file to make sure it's valid.
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("javap");
launcher.addVMArgs(Utils.getTestJavaOpts());
// Let javap print additional info, e.g., StackMapTable
launcher.addToolArg("-verbose");
launcher.addToolArg(classFile.toString());
System.out.println("> javap " + classFile.toString());
List<String> cmdStringList = Arrays.asList(launcher.getCommand());
ProcessBuilder pb = new ProcessBuilder(cmdStringList);
Process javap = pb.start();
OutputAnalyzer out = new OutputAnalyzer(javap);
javap.waitFor();
System.out.println(out.getStdout());
System.err.println(out.getStderr());
out.shouldHaveExitValue(0);
out.shouldMatch("public class " + APP_DOT_CLASSNAME);
// StackMapTable might not be generated for a class
// containing only methods with sequential control flows.
// But the class used here (LingeredApp) is not such a case.
out.shouldContain("StackMapTable:");
out.shouldContain("BootstrapMethods:");
out.shouldNotContain("Error:");
} catch (SkippedException se) {
throw se;
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
System.out.println("Test PASSED");
}
}