test/jdk/jdk/jfr/api/consumer/streaming/TestJVMCrash.java
changeset 59226 a0f39cc47387
child 59246 fcad92f425c5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/consumer/streaming/TestJVMCrash.java	Fri Nov 22 17:20:43 2019 +0100
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2019, 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.consumer.streaming;
+
+import java.time.Duration;
+import java.time.Instant;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import jdk.jfr.consumer.EventStream;
+
+/**
+ * @test
+ * @summary Test that a stream ends/closes when an application crashes.
+ * @key jfr
+ * @requires vm.hasJFR
+ * @library /test/lib /test/jdk
+ * @modules jdk.jfr jdk.attach java.base/jdk.internal.misc
+ *
+ * @run main/othervm jdk.jfr.api.consumer.streaming.TestJVMCrash
+ */
+public class TestJVMCrash {
+
+    public static void main(String... args) throws Exception {
+        int id = 1;
+        while (true) {
+            TestProcess process = new TestProcess("crash-application-" + id++);
+            AtomicInteger eventCounter = new AtomicInteger();
+            try (EventStream es = EventStream.openRepository(process.getRepository())) {
+                // Start from first event in repository
+                es.setStartTime(Instant.EPOCH);
+                es.onEvent(e -> {
+                    if (eventCounter.incrementAndGet() == TestProcess.NUMBER_OF_EVENTS) {
+                        process.crash();
+                    }
+                });
+                es.startAsync();
+                // If crash corrupts chunk in repository, retry in 30 seconds
+                es.awaitTermination(Duration.ofSeconds(30));
+                if (eventCounter.get() == TestProcess.NUMBER_OF_EVENTS) {
+                    return;
+                }
+                System.out.println("Incorrect event count. Retrying...");
+            }
+        }
+    }
+}