test/jdk/jdk/jfr/api/recording/options/TestName.java
changeset 50113 caf115bb98ad
child 51214 67736b4846a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/jdk/jfr/api/recording/options/TestName.java	Tue May 15 20:24:34 2018 +0200
@@ -0,0 +1,92 @@
+/*
+ * 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.options;
+
+import jdk.jfr.Recording;
+import jdk.test.lib.Asserts;
+import jdk.test.lib.jfr.CommonHelper;
+import jdk.test.lib.jfr.VoidFunction;
+
+/*
+ * @test
+ * @summary Test setName().
+ * @key jfr
+ * @library /test/lib
+ * @run main/othervm jdk.jfr.api.recording.options.TestName
+ */
+public class TestName {
+
+    public static void main(String[] args) throws Throwable {
+        Recording r = new Recording();
+
+        Asserts.assertNotNull(r.getName(), "Default name should not be null");
+        System.out.println("name=" + r.getName());
+        Asserts.assertEquals(r.getName(), Long.toString(r.getId()), "Default name != id");
+
+        testNames(r);
+        r.start();
+        testNames(r);
+        r.stop();
+        testNames(r);
+        r.close();
+    }
+
+    private static void testNames(Recording r) throws Throwable {
+        System.out.println("Recording state=" + r.getState().name());
+
+        // Set simple name
+        String name = "myName";
+        r.setName(name);
+        System.out.println("name=" + r.getName());
+        Asserts.assertEquals(name, r.getName(), "Wrong get/set name");
+
+        // Set null. Should get Exception and old name should be kept.
+        verifyNull(()->{r.setName(null);}, "No NullPointerException when setName(null)");
+        Asserts.assertEquals(name, r.getName(), "Current name overwritten after null");
+
+        // Set empty name. Should work.
+        name = "";
+        r.setName(name);
+        System.out.println("name=" + r.getName());
+        Asserts.assertEquals(name, r.getName(), "Empty name is expected to work");
+
+        // Test a long name.
+        StringBuilder sb = new StringBuilder(500);
+        while (sb.length() < 400) {
+            sb.append("LongName-");
+        }
+        name = sb.toString();
+        System.out.println("Length of long name=" + name.length());
+        r.setName(name);
+        System.out.println("name=" + r.getName());
+        Asserts.assertEquals(name, r.getName(), "Wrong get/set long name");
+    }
+
+    private static void verifyNull(VoidFunction f, String msg) throws Throwable {
+        CommonHelper.verifyException(f, msg, NullPointerException.class);
+    }
+
+}