test/jdk/jdk/jfr/api/recording/event/TestReEnableClass.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/event/TestReEnableClass.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,79 @@
+/*
+ * 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.recording.event;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.test.lib.jfr.SimpleEventHelper;
+
+/*
+ * @test
+ * @summary Enable, disable, enable event during recording.
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.recording.event.TestReEnableClass
+ */
+public class TestReEnableClass {
+
+    public static void main(String[] args) throws Throwable {
+        test(false);
+        test(true);
+    }
+
+    // Loop and enable/disable events.
+    // Verify recording only contains event created during enabled.
+    private static void test(boolean isEnabled) throws Exception {
+        System.out.println("Start with isEnabled = " + isEnabled);
+
+        List<Integer> expectedIds = new ArrayList<>();
+        Recording r = new Recording();
+        SimpleEventHelper.enable(r, isEnabled);
+        r.start();
+
+        for (int i = 0; i < 10; ++i) {
+            SimpleEventHelper.createEvent(i);
+            if (isEnabled) {
+                expectedIds.add(i);
+            }
+            isEnabled = !isEnabled;
+            SimpleEventHelper.enable(r, isEnabled);
+        }
+
+        r.stop();
+        SimpleEventHelper.createEvent(100);
+
+        int[] ids = new int[expectedIds.size()];
+        for (int i = 0; i < expectedIds.size(); ++i) {
+            ids[i] = expectedIds.get(i);
+        }
+        SimpleEventHelper.verifyEvents(r, ids);
+
+        r.close();
+    }
+
+}