test/jdk/jdk/jfr/api/flightrecorder/TestGetRecordings.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/flightrecorder/TestGetRecordings.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,84 @@
+/*
+ * 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.flightrecorder;
+
+import static jdk.test.lib.Asserts.assertEquals;
+import static jdk.test.lib.Asserts.assertFalse;
+import static jdk.test.lib.Asserts.assertTrue;
+
+import java.util.List;
+
+import jdk.jfr.FlightRecorder;
+import jdk.jfr.Recording;
+
+/*
+ * @test
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.flightrecorder.TestGetRecordings
+ */
+public class TestGetRecordings {
+
+    public static void main(String[] args) throws Throwable {
+        FlightRecorder recorder = FlightRecorder.getFlightRecorder();
+
+        // Recording should be empty at start.
+        List<Recording> recordings = recorder.getRecordings();
+        assertTrue(recordings.isEmpty(), "recordings should be empty at start");
+
+        // Create first recording
+        Recording r1 = new Recording();
+        recordings = recorder.getRecordings();
+        assertEquals(recordings.size(), 1, "Expected 1 recording");
+        assertTrue(recordings.contains(r1), "r1 should be in list");
+
+        // Create second recording
+        Recording r2 = new Recording();
+        recordings = recorder.getRecordings();
+        assertEquals(recordings.size(), 2, "Expected 2 recordings");
+        assertTrue(recordings.contains(r2), "r2 should be in list");
+        assertTrue(recordings.contains(r1), "r1 should still be in list");
+
+        // Close first recording
+        r1.close();
+        recordings = recorder.getRecordings();
+        assertEquals(recordings.size(), 1, "Expected 1 remaining recording");
+        assertTrue(recordings.contains(r2), "r2 should still be in list");
+        assertFalse(recordings.contains(r1), "r1 should be removed");
+
+        // Close second recording
+        r2.close();
+        recordings = recorder.getRecordings();
+        assertTrue(recordings.isEmpty(), "recordings should be empty after close");
+
+        // Create recording with new Recording()
+        Recording r3 = new Recording();
+        recordings = recorder.getRecordings();
+        assertTrue(recordings.contains(r3 ), "new Recording() should be in list");
+        r3.close();
+    }
+
+}