1 /*

     2  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /**

    25  * @test

    26  * @bug 6537506

    27  * @ignore 6962535

    28  * @summary Basic unit test for tracing framework

    29  */

    30 

    31 import com.sun.tracing.*;

    32 import java.lang.reflect.Method;

    33 

    34 @ProviderName("NamedProvider")

    35 interface BasicProvider extends Provider {

    36     void plainProbe();

    37     void probeWithArgs(int a, float f, String s, Long l);

    38     @ProbeName("namedProbe") void probeWithName();

    39     void overloadedProbe();

    40     void overloadedProbe(int i);

    41 }

    42 

    43 interface InvalidProvider extends Provider {

    44     int nonVoidProbe();

    45 }

    46 

    47 public class BasicFunctionality {

    48 

    49     public static ProviderFactory factory;

    50     public static BasicProvider bp;

    51 

    52     public static void main(String[] args) throws Exception {

    53 

    54         factory = ProviderFactory.getDefaultFactory();

    55         if (factory != null) {

    56             bp = factory.createProvider(BasicProvider.class);

    57         }

    58 

    59         testProviderFactory();

    60         testProbe();

    61         testProvider();

    62     }

    63 

    64     static void fail(String s) throws Exception {

    65         throw new Exception(s);

    66     }

    67 

    68     static void testProviderFactory() throws Exception {

    69         if (factory == null) {

    70             fail("ProviderFactory.getDefaultFactory: Did not create factory");

    71         }

    72         if (bp == null) {

    73             fail("ProviderFactory.createProvider: Did not create provider");

    74         }

    75         try {

    76             factory.createProvider(null);

    77             fail("ProviderFactory.createProvider: Did not throw NPE for null");

    78         } catch (NullPointerException e) {}

    79 

    80        try {

    81            factory.createProvider(InvalidProvider.class);

    82            fail("Factory.createProvider: Should error with non-void probes");

    83        } catch (IllegalArgumentException e) {}

    84     }

    85 

    86     public static void testProvider() throws Exception {

    87 

    88        // These just shouldn't throw any exeptions:

    89        bp.plainProbe();

    90        bp.probeWithArgs(42, (float)3.14, "spam", new Long(2L));

    91        bp.probeWithArgs(42, (float)3.14, null, null);

    92        bp.probeWithName();

    93        bp.overloadedProbe();

    94        bp.overloadedProbe(42);

    95 

    96        Method m = BasicProvider.class.getMethod("plainProbe");

    97        Probe p = bp.getProbe(m);

    98        if (p == null) {

    99            fail("Provider.getProbe: Did not return probe");

   100        }

   101 

   102        Method m2 = BasicFunctionality.class.getMethod("testProvider");

   103        p = bp.getProbe(m2);

   104        if (p != null) {

   105            fail("Provider.getProbe: Got probe with invalid spec");

   106        }

   107 

   108        bp.dispose();

   109        // These just shouldn't throw any exeptions:

   110        bp.plainProbe();

   111        bp.probeWithArgs(42, (float)3.14, "spam", new Long(2L));

   112        bp.probeWithArgs(42, (float)3.14, null, null);

   113        bp.probeWithName();

   114        bp.overloadedProbe();

   115        bp.overloadedProbe(42);

   116 

   117        if (bp.getProbe(m) != null) {

   118            fail("Provider.getProbe: Should return null after dispose()");

   119        }

   120 

   121        bp.dispose(); // just to make sure nothing bad happens

   122     }

   123 

   124     static void testProbe() throws Exception {

   125        Method m = BasicProvider.class.getMethod("plainProbe");

   126        Probe p = bp.getProbe(m);

   127        p.isEnabled(); // just make sure it doesn't do anything bad

   128        p.trigger();

   129 

   130        try {

   131          p.trigger(0);

   132          fail("Probe.trigger: too many arguments not caught");

   133        } catch (IllegalArgumentException e) {}

   134 

   135        p = bp.getProbe(BasicProvider.class.getMethod(

   136            "probeWithArgs", int.class, float.class, String.class, Long.class));

   137        try {

   138          p.trigger();

   139          fail("Probe.trigger: too few arguments not caught");

   140        } catch (IllegalArgumentException e) {}

   141 

   142        try {

   143          p.trigger((float)3.14, (float)3.14, "", new Long(0L));

   144          fail("Probe.trigger: wrong type primitive arguments not caught");

   145        } catch (IllegalArgumentException e) {}

   146     }

   147 }