test/jdk/jdk/jfr/api/recording/destination/TestDestInvalid.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/destination/TestDestInvalid.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,103 @@
+/*
+ * 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.destination;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.List;
+
+import jdk.jfr.Recording;
+import jdk.jfr.consumer.RecordedEvent;
+import jdk.jfr.consumer.RecordingFile;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.CommonHelper;
+import jdk.test.lib.jfr.EventNames;
+import jdk.test.lib.jfr.VoidFunction;
+
+/*
+ * @test
+ * @summary Test setDestination to invalid paths
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.recording.destination.TestDestInvalid
+ */
+public class TestDestInvalid {
+
+    public static void main(String[] args) throws Throwable {
+        Recording r = new Recording();
+        r.enable(EventNames.OSInformation);
+        r.setToDisk(true);
+
+        Asserts.assertNull(r.getDestination(), "dest not null by default");
+
+        // Set destination to empty path (same as curr dir, not a file)
+        verifyException(()->{r.setDestination(Paths.get(""));}, "No exception for setDestination(\"\")", IOException.class);
+        System.out.println("1 destination: " + r.getDestination());
+        Asserts.assertNull(r.getDestination(), "default dest not null after failed setDest");
+
+        // Set dest to a valid path. This should be kept when a new setDest fails.
+        Path dest = Paths.get(".", "my.jfr");
+        r.setDestination(dest);
+        System.out.println("2 destination: " + r.getDestination());
+        Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");
+
+        // Null is allowed for setDestination()
+        r.setDestination(null);
+        System.out.println("3 destination: " + r.getDestination());
+        Asserts.assertNull(r.getDestination(), "dest not null after setDest(null)");
+
+        // Reset dest to correct value and make ssure it is not overwritten
+        r.setDestination(dest);
+        System.out.println("4 destination: " + r.getDestination());
+        Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");
+
+        // Set destination to an existing dir. Old dest is saved.
+        verifyException(()->{r.setDestination(Paths.get("."));}, "No exception for setDestination(.)", IOException.class);
+        System.out.println("5 destination: " + r.getDestination());
+        Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");
+
+        // Set destination to a non-existing dir. Old dest is saved.
+        verifyException(()->{r.setDestination(Paths.get(".", "missingdir", "my.jfr"));}, "No exception for setDestination(dirNotExists)", IOException.class);
+        System.out.println("6 destination: " + r.getDestination());
+        Asserts.assertEquals(dest, r.getDestination(), "Wrong get/set dest");
+
+        // Verify that it works with the old setDest value.
+        r.start();
+        r.stop();
+        r.close();
+        Asserts.assertTrue(Files.exists(dest), "No recording file: " + dest);
+        List<RecordedEvent> events = RecordingFile.readAllEvents(dest);
+        Asserts.assertFalse(events.isEmpty(), "No event found");
+        System.out.printf("Found event %s in %s%n", events.get(0).getEventType().getName(), dest.toString());
+    }
+
+    private static void verifyException(VoidFunction f, String msg, Class<?> exceptionClass) throws Throwable {
+        CommonHelper.verifyException(f, msg, IOException.class);
+    }
+
+}