diff -r 4ebc2e2fb97c -r 71c04702a3d5 test/jdk/sun/tools/jmap/BasicJMapTest.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/jdk/sun/tools/jmap/BasicJMapTest.java Tue Sep 12 19:03:39 2017 +0200 @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2005, 2016, 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.assertTrue; +import static jdk.testlibrary.Asserts.fail; + +import java.io.File; +import java.util.Arrays; + +import jdk.test.lib.hprof.HprofParser; +import jdk.testlibrary.JDKToolLauncher; +import jdk.testlibrary.OutputAnalyzer; +import jdk.testlibrary.ProcessTools; + +/* + * @test + * @summary Unit test for jmap utility + * @key intermittent + * @library /lib/testlibrary + * @library /test/lib + * @build jdk.testlibrary.* + * @build jdk.test.lib.hprof.* + * @build jdk.test.lib.hprof.model.* + * @build jdk.test.lib.hprof.parser.* + * @build jdk.test.lib.hprof.util.* + * @run main/timeout=240 BasicJMapTest + */ +public class BasicJMapTest { + + private static ProcessBuilder processBuilder = new ProcessBuilder(); + + public static void main(String[] args) throws Exception { + testHisto(); + testHistoLive(); + testFinalizerInfo(); + testClstats(); + testDump(); + testDumpLive(); + } + + private static void testHisto() throws Exception { + OutputAnalyzer output = jmap("-histo"); + output.shouldHaveExitValue(0); + } + + private static void testHistoLive() throws Exception { + OutputAnalyzer output = jmap("-histo:live"); + output.shouldHaveExitValue(0); + } + + private static void testFinalizerInfo() throws Exception { + OutputAnalyzer output = jmap("-finalizerinfo"); + output.shouldHaveExitValue(0); + } + + private static void testClstats() throws Exception { + OutputAnalyzer output = jmap("-clstats"); + output.shouldHaveExitValue(0); + } + + private static void testDump() throws Exception { + dump(false); + } + + private static void testDumpLive() throws Exception { + dump(true); + } + + private static void dump(boolean live) throws Exception { + File dump = new File("jmap.dump." + System.currentTimeMillis() + ".hprof"); + if (dump.exists()) { + dump.delete(); + } + OutputAnalyzer output; + if (live) { + output = jmap("-dump:live,format=b,file=" + dump.getName()); + } else { + output = jmap("-dump:format=b,file=" + dump.getName()); + } + output.shouldHaveExitValue(0); + output.shouldContain("Heap dump file created"); + verifyDumpFile(dump); + dump.delete(); + } + + private static void verifyDumpFile(File dump) { + assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath()); + try { + HprofParser.parse(dump); + } catch (Exception e) { + e.printStackTrace(); + fail("Could not parse dump file " + dump.getAbsolutePath()); + } + } + + private static OutputAnalyzer jmap(String... toolArgs) throws Exception { + JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap"); + if (toolArgs != null) { + for (String toolArg : toolArgs) { + launcher.addToolArg(toolArg); + } + } + launcher.addToolArg(Long.toString(ProcessTools.getProcessId())); + + processBuilder.command(launcher.getCommand()); + System.out.println(Arrays.toString(processBuilder.command().toArray()).replace(",", "")); + OutputAnalyzer output = ProcessTools.executeProcess(processBuilder); + System.out.println(output.getOutput()); + + return output; + } + +}