--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java	Fri Oct 04 13:44:49 2013 +0200
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2013, 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.BufferedReader;
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileReader;
+import java.io.IOException;
+import java.io.Reader;
+import java.nio.CharBuffer;
+import java.util.Arrays;
+import java.util.Scanner;
+
+import com.oracle.java.testlibrary.Asserts;
+import com.oracle.java.testlibrary.JDKToolFinder;
+import com.oracle.java.testlibrary.JDKToolLauncher;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.Platform;
+import com.oracle.java.testlibrary.ProcessTools;
+
+/*
+ * @test
+ * @bug 6313383
+ * @key regression
+ * @summary Regression test for hprof export issue due to large heaps (>2G)
+ * @library /testlibrary
+ * @compile JMapHProfLargeHeapProc.java
+ * @run main JMapHProfLargeHeapTest
+ */
+
+public class JMapHProfLargeHeapTest {
+    private static final String HEAP_DUMP_FILE_NAME = "heap.hprof";
+    private static final String HPROF_HEADER_1_0_1 = "JAVA PROFILE 1.0.1";
+    private static final String HPROF_HEADER_1_0_2 = "JAVA PROFILE 1.0.2";
+    private static final long M = 1024L;
+    private static final long G = 1024L * M;
+
+    public static void main(String[] args) throws Exception {
+        // If we are on MacOSX, test if JMap tool is signed, otherwise return
+        // since test will fail with privilege error.
+        if (Platform.isOSX()) {
+            String jmapToolPath = JDKToolFinder.getCurrentJDKTool("jmap");
+            ProcessBuilder codesignProcessBuilder = new ProcessBuilder(
+                    "codesign", "-v", jmapToolPath);
+            Process codesignProcess = codesignProcessBuilder.start();
+            OutputAnalyzer analyser = new OutputAnalyzer(codesignProcess);
+            try {
+                analyser.shouldNotContain("code object is not signed at all");
+                System.out.println("Signed jmap found at: " + jmapToolPath);
+            } catch (Exception e) {
+                // Abort since we can't know if the test will work
+                System.out
+                        .println("Test aborted since we are on MacOSX and the jmap tool is not signed.");
+                return;
+            }
+        }
+
+        // Small heap 22 megabytes, should create 1.0.1 file format
+        testHProfFileFormat("-Xmx1g", 22 * M, HPROF_HEADER_1_0_1);
+
+        /**
+         * This test was deliberately commented out since the test system lacks
+         * support to handle the requirements for this kind of heap size in a
+         * good way. If or when it becomes possible to run this kind of tests in
+         * the test environment the test should be enabled again.
+         * */
+        // Large heap 2,2 gigabytes, should create 1.0.2 file format
+        // testHProfFileFormat("-Xmx4g", 2 * G + 2 * M, HPROF_HEADER_1_0_2);
+    }
+
+    private static void testHProfFileFormat(String vmArgs, long heapSize,
+            String expectedFormat) throws Exception, IOException,
+            InterruptedException, FileNotFoundException {
+        ProcessBuilder procBuilder = ProcessTools.createJavaProcessBuilder(
+                vmArgs, "JMapHProfLargeHeapProc", String.valueOf(heapSize));
+        procBuilder.redirectError(ProcessBuilder.Redirect.INHERIT);
+        Process largeHeapProc = procBuilder.start();
+
+        try (Scanner largeHeapScanner = new Scanner(
+                largeHeapProc.getInputStream());) {
+            String pidstring = null;
+            while ((pidstring = largeHeapScanner.findInLine("PID\\[[0-9].*\\]")) == null) {
+                Thread.sleep(500);
+            }
+            int pid = Integer.parseInt(pidstring.substring(4,
+                    pidstring.length() - 1));
+            System.out.println("Extracted pid: " + pid);
+
+            JDKToolLauncher jMapLauncher = JDKToolLauncher
+                    .create("jmap", false);
+            jMapLauncher.addToolArg("-dump:format=b,file=" + pid + "-"
+                    + HEAP_DUMP_FILE_NAME);
+            jMapLauncher.addToolArg(String.valueOf(pid));
+
+            ProcessBuilder jMapProcessBuilder = new ProcessBuilder(
+                    jMapLauncher.getCommand());
+            System.out.println("jmap command: "
+                    + Arrays.toString(jMapLauncher.getCommand()));
+
+            Process jMapProcess = jMapProcessBuilder.start();
+            OutputAnalyzer analyzer = new OutputAnalyzer(jMapProcess);
+            analyzer.shouldHaveExitValue(0);
+            analyzer.shouldContain(pid + "-" + HEAP_DUMP_FILE_NAME);
+            analyzer.shouldContain("Heap dump file created");
+
+            largeHeapProc.getOutputStream().write('\n');
+
+            File dumpFile = new File(pid + "-" + HEAP_DUMP_FILE_NAME);
+            Asserts.assertTrue(dumpFile.exists(), "Heap dump file not found.");
+
+            try (Reader reader = new BufferedReader(new FileReader(dumpFile))) {
+                CharBuffer buf = CharBuffer.allocate(expectedFormat.length());
+                reader.read(buf);
+                buf.clear();
+                Asserts.assertEQ(buf.toString(), expectedFormat,
+                        "Wrong file format. Expected '" + expectedFormat
+                                + "', but found '" + buf.toString() + "'");
+            }
+
+            System.out.println("Success!");
+
+        } finally {
+            largeHeapProc.destroyForcibly();
+        }
+    }
+}