--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/event/io/TestFileStreamEvents.java Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,95 @@
+/*
+ * 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.event.io;
+
+import static jdk.test.lib.Asserts.assertEquals;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.time.Duration;
+import java.util.ArrayList;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.test.lib.jfr.Events;
+
+/*
+ * @test TestFileStreamEvents
+ * @key jfr
+ * @library /test/lib /test/jdk
+ * @run main/othervm jdk.jfr.event.io.TestFileStreamEvents
+ */
+
+public class TestFileStreamEvents {
+ public static void main(String[] args) throws Throwable {
+ File tmp = File.createTempFile("TestFileStreamEvents", ".tmp", new File("."));
+ tmp.deleteOnExit();
+ Recording recording = new Recording();
+ List<IOEvent> expectedEvents = new ArrayList<>();
+
+ try(FileOutputStream fos = new FileOutputStream(tmp); FileInputStream fis = new FileInputStream(tmp);) {
+ recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
+ recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
+ recording.start();
+
+ int writeByte = 47;
+ byte[] writeBuf = {11, 12, 13, 14};
+
+ // Write
+ fos.write(writeByte);
+ expectedEvents.add(IOEvent.createFileWriteEvent(1, tmp));
+ fos.write(writeBuf);
+ expectedEvents.add(IOEvent.createFileWriteEvent(writeBuf.length, tmp));
+ fos.write(writeBuf, 0, 2);
+ expectedEvents.add(IOEvent.createFileWriteEvent(2, tmp));
+
+ // Read
+ int readByte = fis.read();
+ assertEquals(readByte, writeByte, "Wrong byte read");
+ expectedEvents.add(IOEvent.createFileReadEvent(1, tmp));
+
+ byte[] readBuf = new byte[writeBuf.length];
+ long size = fis.read(readBuf);
+ assertEquals(size, (long)writeBuf.length, "Wrong size when reading byte[]");
+ expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+ size = fis.read(readBuf, 0, 2);
+ assertEquals(size, 2L, "Wrong size when reading 2 bytes");
+ expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+ // We are at EOF. Read more and verify we get size -1.
+ size = fis.read(readBuf);
+ assertEquals(size, -1L, "Size should be -1 at EOF");
+ expectedEvents.add(IOEvent.createFileReadEvent(size, tmp));
+
+ recording.stop();
+ List<RecordedEvent> events = Events.fromRecording(recording);
+ IOHelper.verifyEqualsInOrder(events, expectedEvents);
+ }
+ }
+}