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.event.io;
  27 
  28 import static jdk.test.lib.Asserts.assertEquals;
  29 
  30 import java.io.File;
  31 import java.io.FileInputStream;
  32 import java.io.FileOutputStream;
  33 import java.time.Duration;
  34 import java.util.ArrayList;
  35 import java.util.List;
  36 
  37 import jdk.jfr.Recording;
  38 import jdk.jfr.consumer.RecordedEvent;
  39 import jdk.test.lib.jfr.Events;
  40 
  41 /*
  42  * @test TestFileStreamEvents
  43  * @key jfr

  44  * @library /test/lib /test/jdk
  45  * @run main/othervm jdk.jfr.event.io.TestFileStreamEvents
  46  */
  47 
  48 public class TestFileStreamEvents {
  49     public static void main(String[] args) throws Throwable {
  50         File tmp = File.createTempFile("TestFileStreamEvents", ".tmp", new File("."));
  51         tmp.deleteOnExit();
  52         Recording recording = new Recording();
  53         List<IOEvent> expectedEvents = new ArrayList<>();
  54 
  55         try(FileOutputStream fos = new FileOutputStream(tmp); FileInputStream fis = new FileInputStream(tmp);) {
  56             recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
  57             recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
  58             recording.start();
  59 
  60             int writeByte = 47;
  61             byte[] writeBuf = {11, 12, 13, 14};
  62 
  63             // Write

  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.event.io;
  27 
  28 import static jdk.test.lib.Asserts.assertEquals;
  29 
  30 import java.io.File;
  31 import java.io.FileInputStream;
  32 import java.io.FileOutputStream;
  33 import java.time.Duration;
  34 import java.util.ArrayList;
  35 import java.util.List;
  36 
  37 import jdk.jfr.Recording;
  38 import jdk.jfr.consumer.RecordedEvent;
  39 import jdk.test.lib.jfr.Events;
  40 
  41 /**
  42  * @test TestFileStreamEvents
  43  * @key jfr
  44  * @requires vm.hasJFR
  45  * @library /test/lib /test/jdk
  46  * @run main/othervm jdk.jfr.event.io.TestFileStreamEvents
  47  */
  48 
  49 public class TestFileStreamEvents {
  50     public static void main(String[] args) throws Throwable {
  51         File tmp = File.createTempFile("TestFileStreamEvents", ".tmp", new File("."));
  52         tmp.deleteOnExit();
  53         Recording recording = new Recording();
  54         List<IOEvent> expectedEvents = new ArrayList<>();
  55 
  56         try(FileOutputStream fos = new FileOutputStream(tmp); FileInputStream fis = new FileInputStream(tmp);) {
  57             recording.enable(IOEvent.EVENT_FILE_READ).withThreshold(Duration.ofMillis(0));
  58             recording.enable(IOEvent.EVENT_FILE_WRITE).withThreshold(Duration.ofMillis(0));
  59             recording.start();
  60 
  61             int writeByte = 47;
  62             byte[] writeBuf = {11, 12, 13, 14};
  63 
  64             // Write