1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package jdk.jfr.api.recording.misc; 27 28 import static jdk.test.lib.Asserts.assertEquals; 29 import static jdk.test.lib.Asserts.assertTrue; 30 31 import java.nio.file.Files; 32 import java.nio.file.Path; 33 import java.nio.file.Paths; 34 35 import jdk.jfr.Recording; 36 import jdk.test.lib.Asserts; 37 import jdk.test.lib.jfr.EventNames; 38 39 /** 40 * @test 41 * @summary Test recording file size with Recording.getSize() 42 * @key jfr 43 * 44 * @library /lib / 45 * @run main/othervm jdk.jfr.api.recording.misc.TestGetSizeToMem 46 */ 47 public class TestGetSizeToMem { 48 49 50 public static void main(String[] args) throws Throwable { 51 Path dest = Paths.get(".", "my.jfr"); 52 Recording r = new Recording(); 53 r.setToDisk(false); 54 r.setDestination(dest); 55 r.enable(EventNames.OSInformation); 56 r.start(); 57 r.stop(); 58 r.close(); 59 assertTrue(Files.exists(dest), "TestGetSize recording missing: " + dest); 60 System.out.printf("%s size: %d%n", dest, Files.size(dest)); 61 System.out.printf("r.getSize(): %d%n", r.getSize()); 62 Asserts.assertNotEquals(Files.size(dest), 0L, "File should not be empty"); 63 assertEquals(r.getSize(), 0L, "r.getSize() should be 0 after setToDisk(false)"); 64 } 65 66 }