--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recorder/TestStartStopRecording.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,77 @@
+/*
+ * 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.api.recorder;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.LinkOption;
+import java.nio.file.Path;
+
+import jdk.jfr.Configuration;
+import jdk.jfr.Recording;
+
+/*
+ * @test TestStartStopRecording
+ *
+ * @key jfr
+ * @run main/othervm jdk.jfr.api.recorder.TestStartStopRecording
+ */
+public class TestStartStopRecording {
+
+ public static void main(String... args) throws Exception {
+ Configuration defaultConfig = Configuration.getConfiguration("default");
+ // Memory
+ Recording inMemory = new Recording(defaultConfig);
+ inMemory.setToDisk(false);
+
+ inMemory.start();
+
+ Path memoryFile = Files.createTempFile("memory-recording", ".jfr");
+ inMemory.dump(memoryFile);
+ assertValid(memoryFile, "Not a valid memory file.");
+ inMemory.stop();
+ inMemory.close();
+ // Disk
+ Recording toDisk = new Recording(defaultConfig);
+ toDisk.setToDisk(true);
+
+ toDisk.start();
+ toDisk.stop();
+ Path diskFile = Files.createTempFile("disk-recording", ".jfr");
+ toDisk.dump(diskFile);
+ assertValid(diskFile, "Not a valid disk file.");
+ toDisk.close();
+ }
+
+ private static void assertValid(Path path, String message) throws IOException {
+ if (!Files.exists(path, LinkOption.NOFOLLOW_LINKS)) {
+ throw new AssertionError(message + " Could not find file " + path);
+ }
+ if (Files.size(path) == 0) {
+ throw new AssertionError(message + " File size = 0 for " + path);
+ }
+ }
+}