test/jdk/jdk/jfr/jvm/TestLogOutput.java
changeset 50113 caf115bb98ad
child 50664 857ce291c70c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/jvm/TestLogOutput.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2018, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package jdk.jfr.jvm;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+
+/*
+ * @test TestLogOutput
+ * @key jfr
+ * @summary Sanity test jfr logging output
+ * @library /test/lib
+ * @run main/othervm -Xlog:disable -Xlog:jfr*=trace:file=jfr_trace.txt -XX:StartFlightRecording=duration=1s,filename=recording.jfr jdk.jfr.jvm.TestLogOutput
+ */
+public class TestLogOutput {
+    public static void main(String[] args) throws Exception {
+        final String fileName = "jfr_trace.txt";
+        final List<String>findWhat = new ArrayList<>();
+        findWhat.add("Starting up Jfr startup recording");
+        findWhat.add("Flight Recorder initialized");
+        boolean passed = false;
+        List<String> matches = new ArrayList<String>(findWhat);
+
+        do {
+            List<String> lines;
+            try {
+                lines = Files.readAllLines(Paths.get(fileName));
+            } catch (IOException e) {
+                throw new Error(e);
+            }
+            for (String l : lines) {
+                for (String m : matches) {
+                    if (l.toString().contains(m)) {
+                        matches.remove(m);
+                        break;
+                    }
+                }
+            }
+            if (matches.size() < 1) {
+                passed = true;
+                break;
+            }
+            if (lines.size() > 100) {
+                break; /* did not find it */
+            }
+        } while(!passed);
+
+        if (!passed) {
+            throw new Error("Not found " + findWhat  + " in stream");
+        }
+
+       System.out.println("PASSED");
+    }
+}