/* * 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 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(); } }