1 /* 2 * Copyright (c) 2008, 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 * @summary Basic unit test for tracing framework 28 */ 29 30 import com.sun.tracing.*; 31 import java.lang.reflect.Method; 32 33 @ProviderName("NamedProvider") 34 interface BasicProvider extends Provider { 35 void plainProbe(); 36 void probeWithArgs(int a, float f, String s, Long l); 37 @ProbeName("namedProbe") void probeWithName(); 38 void overloadedProbe(); 39 void overloadedProbe(int i); 40 } 41 42 interface InvalidProvider extends Provider { 43 int nonVoidProbe(); 44 } 45 46 public class BasicFunctionality { 47 48 public static ProviderFactory factory; 49 public static BasicProvider bp; 50 51 public static void main(String[] args) throws Exception { 52 53 factory = ProviderFactory.getDefaultFactory(); 54 if (factory != null) { 55 bp = factory.createProvider(BasicProvider.class); 56 } 57 58 testProviderFactory(); 59 testProbe(); 60 testProvider(); 61 } 62 63 static void fail(String s) throws Exception { 64 throw new Exception(s); 65 } 66 67 static void testProviderFactory() throws Exception { 68 if (factory == null) { 69 fail("ProviderFactory.getDefaultFactory: Did not create factory"); 70 } 71 if (bp == null) { 72 fail("ProviderFactory.createProvider: Did not create provider"); 73 } 74 try { 75 factory.createProvider(null); 76 fail("ProviderFactory.createProvider: Did not throw NPE for null"); 77 } catch (NullPointerException e) {} 78 79 try { 80 factory.createProvider(InvalidProvider.class); 81 fail("Factory.createProvider: Should error with non-void probes"); 82 } catch (IllegalArgumentException e) {} 83 } 84 85 public static void testProvider() throws Exception { 86 87 // These just shouldn't throw any exeptions: 88 bp.plainProbe(); 89 bp.probeWithArgs(42, (float)3.14, "spam", new Long(2L)); 90 bp.probeWithArgs(42, (float)3.14, null, null); 91 bp.probeWithName(); 92 bp.overloadedProbe(); 93 bp.overloadedProbe(42); 94 95 Method m = BasicProvider.class.getMethod("plainProbe"); 96 Probe p = bp.getProbe(m); 97 if (p == null) { 98 fail("Provider.getProbe: Did not return probe"); 99 } 100 101 Method m2 = BasicFunctionality.class.getMethod("testProvider"); 102 p = bp.getProbe(m2); 103 if (p != null) { 104 fail("Provider.getProbe: Got probe with invalid spec"); 105 } 106 107 bp.dispose(); 108 // These just shouldn't throw any exeptions: 109 bp.plainProbe(); 110 bp.probeWithArgs(42, (float)3.14, "spam", new Long(2L)); 111 bp.probeWithArgs(42, (float)3.14, null, null); 112 bp.probeWithName(); 113 bp.overloadedProbe(); 114 bp.overloadedProbe(42); 115 116 if (bp.getProbe(m) != null) { 117 fail("Provider.getProbe: Should return null after dispose()"); 118 } 119 120 bp.dispose(); // just to make sure nothing bad happens 121 } 122 123 static void testProbe() throws Exception { 124 Method m = BasicProvider.class.getMethod("plainProbe"); 125 Probe p = bp.getProbe(m); 126 p.isEnabled(); // just make sure it doesn't do anything bad 127 p.trigger(); 128 129 try { 130 p.trigger(0); 131 fail("Probe.trigger: too many arguments not caught"); 132 } catch (IllegalArgumentException e) {} 133 134 p = bp.getProbe(BasicProvider.class.getMethod( 135 "probeWithArgs", int.class, float.class, String.class, Long.class)); 136 try { 137 p.trigger(); 138 fail("Probe.trigger: too few arguments not caught"); 139 } catch (IllegalArgumentException e) {} 140 141 try { 142 p.trigger((float)3.14, (float)3.14, "", new Long(0L)); 143 fail("Probe.trigger: wrong type primitive arguments not caught"); 144 } catch (IllegalArgumentException e) {} 145 } 146 }