--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/sun/tools/jmap/heapconfig/JMapHeapConfigTest.java	Wed Jan 28 04:56:00 2015 -0800
@@ -0,0 +1,132 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @bug 8042397
+ * @summary Unit test for jmap utility test heap configuration reader
+ * @library /lib/testlibrary
+ * @build jdk.testlibrary.*
+ * @build JMapHeapConfigTest LingeredApp TmtoolTestScenario
+ * @run main JMapHeapConfigTest
+ */
+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.testlibrary.Utils;
+
+public class JMapHeapConfigTest {
+
+    static final String expectedJMapValues[] = {
+        "MinHeapFreeRatio",
+        "MaxHeapFreeRatio",
+        "MaxHeapSize",
+        "NewSize",
+        "MaxNewSize",
+        "OldSize",
+        "NewRatio",
+        "SurvivorRatio",
+        "MetaspaceSize",
+        "CompressedClassSpaceSize",
+        "G1HeapRegionSize"};
+
+    // ignoring MaxMetaspaceSize
+
+    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) {
+        System.out.println("Starting JMapHeapConfigTest");
+
+        // Forward vm options to LingeredApp
+        ArrayList<String> cmd = new ArrayList();
+        cmd.addAll(Utils.getVmOptions());
+        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");
+    }
+}