hotspot/test/runtime/logging/StackWalkTest.java
changeset 41664 07e88a4b405f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/logging/StackWalkTest.java	Thu Sep 29 13:32:17 2016 -0400
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2016, 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 StackWalkTest
+ * @bug 8160064
+ * @summary -Xlog:stackwalk should produce logging from the source code
+ * @library /test/lib
+ * @run driver StackWalkTest
+ */
+
+import jdk.test.lib.process.ProcessTools;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class StackWalkTest {
+    static void analyzeOutputOn(ProcessBuilder pb) throws Exception {
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldContain("Start walking");
+        output.shouldContain("fill_in_frames");
+        output.shouldHaveExitValue(0);
+    }
+
+    static void analyzeOutputOff(ProcessBuilder pb) throws Exception {
+        OutputAnalyzer output = new OutputAnalyzer(pb.start());
+        output.shouldNotContain("[stackwalk]");
+        output.shouldHaveExitValue(0);
+    }
+
+    public static void main(String... args) throws Exception {
+        ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-Xlog:stackwalk=debug",
+                                                                  InnerClass.class.getName());
+        analyzeOutputOn(pb);
+
+        pb = ProcessTools.createJavaProcessBuilder("-Xlog:stackwalk=off",
+                                                   InnerClass.class.getName());
+        analyzeOutputOff(pb);
+    }
+
+    public static class InnerClass {
+        public static void main(String[] args) throws Exception {
+            System.out.println("Testing stackwalk.");
+            StackWalker sw = StackWalker.getInstance();
+            sw.forEach(System.out::println);
+        }
+    }
+}