--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/serviceability/dcmd/gc/HeapDumpTest.java Fri Jan 30 20:00:57 2015 +0100
@@ -0,0 +1,90 @@
+/*
+ * 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 org.testng.annotations.Test;
+import org.testng.Assert;
+
+import java.io.IOException;
+
+import com.oracle.java.testlibrary.JDKToolFinder;
+import com.oracle.java.testlibrary.OutputAnalyzer;
+import com.oracle.java.testlibrary.dcmd.CommandExecutor;
+import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
+
+/*
+ * @test
+ * @summary Test of diagnostic command GC.heap_dump
+ * @library /testlibrary
+ * @build com.oracle.java.testlibrary.*
+ * @build com.oracle.java.testlibrary.dcmd.*
+ * @run testng HeapDumpTest
+ */
+public class HeapDumpTest {
+ protected String heapDumpArgs = "";
+
+ public void run(CommandExecutor executor) {
+ String fileName = "jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof";
+ String cmd = "GC.heap_dump " + heapDumpArgs + " " + fileName;
+ executor.execute(cmd);
+
+ verifyHeapDump(fileName);
+ }
+
+ private void verifyHeapDump(String fileName) {
+ String jhat = JDKToolFinder.getTestJDKTool("jhat");
+ String[] cmd = { jhat, "-parseonly", "true", fileName };
+
+ ProcessBuilder pb = new ProcessBuilder(cmd);
+ pb.redirectErrorStream(true);
+ Process p = null;
+ OutputAnalyzer output = null;
+
+ try {
+ p = pb.start();
+ output = new OutputAnalyzer(p);
+
+ /*
+ * Some hprof dumps of all objects contain constantPoolOop references that cannot be resolved, so we ignore
+ * failures about resolving constantPoolOop fields using a negative lookahead
+ */
+ output.shouldNotMatch(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*");
+ } catch (IOException e) {
+ Assert.fail("Test error: Caught exception while reading stdout/err of jhat", e);
+ } finally {
+ if (p != null) {
+ p.destroy();
+ }
+ }
+
+ if (output.getExitValue() != 0) {
+ Assert.fail("Test error: jhat exit code was nonzero");
+ }
+ }
+
+ /* GC.heap_dump is not available over JMX, running jcmd pid executor instead */
+ @Test
+ public void pid() {
+ run(new PidJcmdExecutor());
+ }
+}
+