test/hotspot/jtreg/serviceability/sa/ClhsdbPrintAs.java
changeset 48401 be065f758154
child 50791 b1e90a8a876c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/serviceability/sa/ClhsdbPrintAs.java	Thu Dec 14 12:49:47 2017 +0530
@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2017, 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.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.ArrayList;
+import jdk.test.lib.apps.LingeredApp;
+
+/*
+ * @test
+ * @bug 8192985
+ * @summary Test the clhsdb 'printas' command
+ * @library /test/lib
+ * @run main/othervm ClhsdbPrintAs
+ */
+
+public class ClhsdbPrintAs {
+
+    public static void main(String[] args) throws Exception {
+        System.out.println("Starting the ClhsdbPrintAs test");
+
+        LingeredApp theApp = null;
+        try {
+            ClhsdbLauncher test = new ClhsdbLauncher();
+            theApp = LingeredApp.startApp();
+            System.out.println("Started LingeredApp with pid " + theApp.getPid());
+
+            // Run the 'jstack -v' command to get the address of a the Method*
+            // representing LingeredApp.main
+            List<String> cmds = List.of("jstack -v");
+            Map<String, List<String>> expStrMap;
+
+            String jstackOutput = test.run(theApp.getPid(), cmds, null, null);
+
+            if (jstackOutput == null) {
+                // Output could be null due to attach permission issues
+                // and if we are skipping this.
+                LingeredApp.stopApp(theApp);
+                return;
+            }
+
+            String[] snippets = jstackOutput.split("LingeredApp.main");
+            String addressString = null;
+
+            String[] tokens = snippets[1].split("Method\\*=");
+            String[] words = tokens[1].split(" ");
+            addressString = words[0];
+
+            cmds = new ArrayList<String>();
+            expStrMap = new HashMap<>();
+
+            String cmd = "printas Method " + addressString;
+            cmds.add(cmd);
+            expStrMap.put(cmd, List.of
+                ("ConstMethod", "MethodCounters", "Method::_access_flags"));
+
+            // Run the printas Method <addr> command to obtain the address
+            // of ConstMethod*
+            String methodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null);
+            snippets = methodDetailsOutput.split("ConstMethod*");
+
+            tokens = snippets[1].split(" ");
+            for (String token : tokens) {
+                if (token.contains("0x")) {
+                    addressString = token.replace("\n", "");
+                    break;
+                }
+            }
+
+            cmds = new ArrayList<String>();
+            expStrMap = new HashMap<>();
+
+            cmd = "printas ConstMethod " + addressString;
+            cmds.add(cmd);
+            expStrMap.put(cmd, List.of
+                ("ConstantPool", "_max_locals", "_flags"));
+
+            // Run the printas constMethod <addr> command to obtain the address
+            // of ConstantPool*
+            String constMethodDetailsOutput = test.run(theApp.getPid(), cmds, expStrMap, null);
+            snippets = constMethodDetailsOutput.split("ConstantPool*");
+
+            tokens = snippets[1].split(" ");
+            for (String token : tokens) {
+                if (token.contains("0x")) {
+                    addressString = token.replace("\n", "");
+                    break;
+                }
+            }
+
+            cmds = new ArrayList<String>();
+            expStrMap = new HashMap<>();
+
+            cmd = "printas ConstantPool " + addressString;
+            cmds.add(cmd);
+            expStrMap.put(cmd, List.of
+                ("ConstantPoolCache", "_pool_holder", "InstanceKlass*"));
+            test.run(theApp.getPid(), cmds, expStrMap, null);
+        } catch (Exception ex) {
+            throw new RuntimeException("Test ERROR " + ex, ex);
+        } finally {
+            LingeredApp.stopApp(theApp);
+        }
+        System.out.println("Test PASSED");
+    }
+}