test/jdk/jdk/jfr/api/metadata/eventtype/TestGetSettings.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/metadata/eventtype/TestGetSettings.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,56 @@
+/*
+ * 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.metadata.eventtype;
+
+import java.util.List;
+
+import jdk.jfr.EventType;
+import jdk.jfr.SettingDescriptor;
+import jdk.test.lib.Asserts;
+
+/*
+ * @test
+ * @summary Test getSettings()
+ * @key jfr
+ * @library /test/lib /test/jdk
+ * @run main/othervm jdk.jfr.api.metadata.eventtype.TestGetSettings
+ */
+public class TestGetSettings {
+
+    public static void main(String[] args) throws Throwable {
+        EventType eventType = EventType.getEventType(EventWithCustomSettings.class);
+        List<SettingDescriptor> settings = eventType.getSettingDescriptors();
+        Asserts.assertEquals(settings.size(), 5, "Wrong number of settings");
+
+        // test immutability
+        try {
+            settings.add(settings.get(0));
+            Asserts.fail("Should not be able to modify list returned by getSettings()");
+        } catch (UnsupportedOperationException uoe) {
+            // OK, as expected
+        }
+    }
+}