--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/jhsdb/heapconfig/JMapHeapConfigTest.java Mon May 09 23:41:59 2016 +0300
@@ -0,0 +1,166 @@
+/*
+ * Copyright (c) 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 java.io.IOException;
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import jdk.test.lib.apps.LingeredApp;
+import jdk.testlibrary.Utils;
+import jdk.testlibrary.Platform;
+
+/*
+ * @test
+ * @bug 8042397
+ * @summary Unit test for jmap utility test heap configuration reader
+ * @modules jdk.hotspot.agent/sun.jvm.hotspot
+ * @library /test/lib/share/classes
+ * @library /lib/testlibrary
+ * @build jdk.testlibrary.*
+ * @build jdk.test.lib.apps.*
+ * @build JMapHeapConfigTest TmtoolTestScenario
+ * @run main JMapHeapConfigTest
+ */
+public class JMapHeapConfigTest {
+
+ static final String expectedJMapValues[] = {
+ "MinHeapFreeRatio",
+ "MaxHeapFreeRatio",
+ "MaxHeapSize",
+ "NewSize",
+ "MaxNewSize",
+ "OldSize",
+ "NewRatio",
+ "SurvivorRatio",
+ "MetaspaceSize",
+ "CompressedClassSpaceSize",
+ "G1HeapRegionSize"};
+
+ // ignoring MaxMetaspaceSize
+
+ static final String desiredMaxHeapSize = "-Xmx128m";
+
+ private static Map<String, String> parseJMapOutput(List<String> jmapOutput) {
+ Map<String, String> heapConfigMap = new HashMap<String, String>();
+ boolean shouldParse = false;
+
+ for (String line : jmapOutput) {
+ line = line.trim();
+
+ if (line.startsWith("Heap Configuration:")) {
+ shouldParse = true;
+ continue;
+ }
+
+ if (line.startsWith("Heap Usage:")) {
+ shouldParse = false;
+ continue;
+ }
+
+ if (shouldParse && !line.equals("")) {
+ String[] lv = line.split("\\s+");
+ try {
+ heapConfigMap.put(lv[0], lv[2]);
+ } catch (ArrayIndexOutOfBoundsException ex) {
+ // Ignore mailformed lines
+ }
+ }
+ }
+ return heapConfigMap;
+ }
+
+ // Compare stored values
+ private static void compareValues(Map<String, String> parsedJMapOutput, Map<String, String> parsedVmOutput) {
+ for (String key : expectedJMapValues) {
+ try {
+ String jmapVal = parsedJMapOutput.get(key);
+ if (jmapVal == null) {
+ throw new RuntimeException("Key '" + key + "' doesn't exists in jmap output");
+ }
+
+ String vmVal = parsedVmOutput.get(key);
+ if (vmVal == null) {
+ throw new RuntimeException("Key '" + key + "' doesn't exists in vm output");
+ }
+
+ if (new BigDecimal(jmapVal).compareTo(new BigDecimal(vmVal)) != 0) {
+ throw new RuntimeException(String.format("Key %s doesn't match %s vs %s", key, vmVal, jmapVal));
+ }
+ } catch (NumberFormatException ex) {
+ throw new RuntimeException("Unexpected key '" + key + "' value", ex);
+ }
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ System.out.println("Starting JMapHeapConfigTest");
+
+ if (!Platform.shouldSAAttach()) {
+ // Silently skip the test if we don't have enough permissions to attach
+ System.err.println("Error! Insufficient permissions to attach.");
+ return;
+ }
+
+ if (!LingeredApp.isLastModifiedWorking()) {
+ // Exact behaviour of the test depends to operating system and the test nature,
+ // so just print the warning and continue
+ System.err.println("Warning! Last modified time doesn't work.");
+ }
+
+ boolean mx_found = false;
+ List<String> jvmOptions = Utils.getVmOptions();
+ for (String option : jvmOptions) {
+ if (option.startsWith("-Xmx")) {
+ System.out.println("INFO: maximum heap size set by JTREG as " + option);
+ mx_found = true;
+ break;
+ }
+ }
+
+ // Forward vm options to LingeredApp
+ ArrayList<String> cmd = new ArrayList();
+ cmd.addAll(Utils.getVmOptions());
+ if (!mx_found) {
+ cmd.add(desiredMaxHeapSize);
+ System.out.println("INFO: maximum heap size set explicitly as " + desiredMaxHeapSize);
+ }
+ cmd.add("-XX:+PrintFlagsFinal");
+
+ TmtoolTestScenario tmt = TmtoolTestScenario.create("jmap", "--heap");
+ int exitcode = tmt.launch(cmd);
+ if (exitcode != 0) {
+ throw new RuntimeException("Test FAILED jmap exits with non zero exit code " + exitcode);
+ }
+
+ Map<String,String> parsedJmapOutput = parseJMapOutput(tmt.getToolOutput());
+ Map<String,String> parsedVMOutput = tmt.parseFlagsFinal();
+
+ compareValues(parsedJmapOutput, parsedVMOutput);
+
+ // If test fails it throws RuntimeException
+ System.out.println("Test PASSED");
+ }
+}