Source Code Cross Referenced for ThreadInfoTest.java in  » Apache-Harmony-Java-SE » org-package » org » apache » harmony » lang » management » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.lang.management 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one
003:         * or more contributor license agreements.  See the NOTICE file
004:         * distributed with this work for additional information
005:         * regarding copyright ownership.  The ASF licenses this file
006:         * to you under the Apache License, Version 2.0 (the
007:         * "License"); you may not use this file except in compliance
008:         * with the License.  You may obtain a copy of the License at
009:         * 
010:         *   http://www.apache.org/licenses/LICENSE-2.0
011:         *
012:         * Unless required by applicable law or agreed to in writing,
013:         * software distributed under the License is distributed on an
014:         * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015:         * KIND, either express or implied.  See the License for the
016:         * specific language governing permissions and limitations
017:         * under the License.
018:         * 
019:         */
020:
021:        package org.apache.harmony.lang.management;
022:
023:        import java.lang.management.ThreadInfo;
024:
025:        import javax.management.openmbean.ArrayType;
026:        import javax.management.openmbean.CompositeData;
027:        import javax.management.openmbean.CompositeDataSupport;
028:        import javax.management.openmbean.CompositeType;
029:        import javax.management.openmbean.OpenDataException;
030:        import javax.management.openmbean.OpenType;
031:        import javax.management.openmbean.SimpleType;
032:
033:        import junit.framework.TestCase;
034:
035:        /**
036:         * ThreadInfo objects can only be obtained from the ThreadMXBean or else by
037:         * calling the static from() method with an existing CompositeData object that
038:         * maps to a ThreadInfo. Trying to unit test using the former approach only gets
039:         * us so far as we have no idea what the expected values should be. We only know
040:         * their types, ranges etc etc. This testcase goes the long way round by
041:         * creating a CompositeData representing a ThreadInfo with well understood
042:         * values that we can test for once we have passed the CompositeData into the
043:         * from() method to get a ThreadInfo.
044:         * <p>
045:         * The "problem" with this approach is that the hand-rolled CompositeData
046:         * created in this testcase is not liked by the RI which has its own internal
047:         * way of validating CompositeData and CompositeType instances. So, while this
048:         * test case is creating CompositeData and CompositeType objects which adhere to
049:         * the spec, the below tests will all fail when run against the RI. For that
050:         * reason, this testcase cannot be considered as implementation independent.
051:         * 
052:         */
053:        public class ThreadInfoTest extends TestCase {
054:
055:            private static final boolean GOOD_SUSPENDED = false;
056:
057:            private static final boolean GOOD_IN_NATIVE = false;
058:
059:            private static final int GOOD_STACK_SIZE = 3;
060:
061:            private static final boolean GOOD_STACK_NATIVEMETHOD = false;
062:
063:            private static final int GOOD_STACK_LINENUMBER = 2100;
064:
065:            private static final String GOOD_STACK_FILENAME = "Blobby.java";
066:
067:            private static final String GOOD_STACK_METHODNAME = "takeOverWorld";
068:
069:            private static final String GOOD_STACK_CLASSNAME = "foo.bar.Blobby";
070:
071:            private static final Thread.State GOOD_THREAD_STATE = Thread.State.RUNNABLE;
072:
073:            private static final String GOOD_THREAD_NAME = "Marty";
074:
075:            private static final int GOOD_THREAD_ID = 46664;
076:
077:            private static final String GOOD_LOCK_OWNER_NAME = "Noam Chomsky";
078:
079:            private static final int GOOD_LOCK_OWNER_ID = 24141;
080:
081:            private static final int GOOD_WAITED_TIME = 3779;
082:
083:            private static final int GOOD_WAITED_COUNT = 21;
084:
085:            private static final int GOOD_BLOCKED_TIME = 3309;
086:
087:            private static final int GOOD_BLOCKED_COUNT = 250;
088:
089:            private static final String GOOD_LOCK_NAME = "foo.Bar@1234567";
090:
091:            private CompositeData tiCD;
092:
093:            private ThreadInfo ti;
094:
095:            protected void setUp() throws Exception {
096:                super .setUp();
097:                tiCD = createGoodCompositeData();
098:                ti = ThreadInfo.from(tiCD);
099:                assertNotNull(ti);
100:            }
101:
102:            public CompositeData createGoodCompositeData() {
103:                CompositeData result = null;
104:                String[] names = { "threadId", "threadName", "threadState",
105:                        "suspended", "inNative", "blockedCount", "blockedTime",
106:                        "waitedCount", "waitedTime", "lockName", "lockOwnerId",
107:                        "lockOwnerName", "stackTrace" };
108:                Object[] values = {
109:                /* threadId */new Long(GOOD_THREAD_ID),
110:                /* threadName */new String(GOOD_THREAD_NAME),
111:                /* threadState */new String(GOOD_THREAD_STATE.toString()),
112:                /* suspended */new Boolean(GOOD_SUSPENDED),
113:                /* inNative */new Boolean(GOOD_IN_NATIVE),
114:                /* blockedCount */new Long(GOOD_BLOCKED_COUNT),
115:                /* blockedTime */new Long(GOOD_BLOCKED_TIME),
116:                /* waitedCount */new Long(GOOD_WAITED_COUNT),
117:                /* waitedTime */new Long(GOOD_WAITED_TIME),
118:                /* lockName */new String(GOOD_LOCK_NAME),
119:                /* lockOwnerId */new Long(GOOD_LOCK_OWNER_ID),
120:                /* lockOwnerName */new String(GOOD_LOCK_OWNER_NAME),
121:                /* stackTrace */createGoodStackTraceCompositeData() };
122:                CompositeType cType = createGoodThreadInfoCompositeType();
123:                try {
124:                    result = new CompositeDataSupport(cType, names, values);
125:                } catch (OpenDataException e) {
126:                    // TODO Auto-generated catch block
127:                    e.printStackTrace();
128:                }
129:                return result;
130:            }
131:
132:            /**
133:             * @return new array of <code>CompositeData</code> representing an array
134:             *         of <code>StackTraceElement</code>.
135:             */
136:            public static CompositeData[] createGoodStackTraceCompositeData() {
137:                // Let's make the array have three elements. Doesn't matter that
138:                // they are all identical.
139:                CompositeData[] result = new CompositeData[GOOD_STACK_SIZE];
140:                CompositeType cType = createGoodStackTraceElementCompositeType();
141:                String[] names = { "className", "methodName", "fileName",
142:                        "lineNumber", "nativeMethod" };
143:                Object[] values = { GOOD_STACK_CLASSNAME,
144:                        GOOD_STACK_METHODNAME, GOOD_STACK_FILENAME,
145:                        new Integer(GOOD_STACK_LINENUMBER),
146:                        new Boolean(GOOD_STACK_NATIVEMETHOD) };
147:
148:                for (int i = 0; i < result.length; i++) {
149:                    try {
150:                        result[i] = new CompositeDataSupport(cType, names,
151:                                values);
152:                    } catch (OpenDataException e) {
153:                        // TODO Auto-generated catch block
154:                        e.printStackTrace();
155:                    }
156:                }// end for
157:                return result;
158:            }
159:
160:            /**
161:             * @return <code>CompositeType</code> for use when wrapping up
162:             *         <code>ThreadInfo</code> objects in <code>CompositeData</code>
163:             *         s.
164:             */
165:            private static CompositeType createGoodThreadInfoCompositeType() {
166:                CompositeType result = null;
167:                try {
168:                    String[] typeNames = { "threadId", "threadName",
169:                            "threadState", "suspended", "inNative",
170:                            "blockedCount", "blockedTime", "waitedCount",
171:                            "waitedTime", "lockName", "lockOwnerId",
172:                            "lockOwnerName", "stackTrace" };
173:                    String[] typeDescs = { "threadId", "threadName",
174:                            "threadState", "suspended", "inNative",
175:                            "blockedCount", "blockedTime", "waitedCount",
176:                            "waitedTime", "lockName", "lockOwnerId",
177:                            "lockOwnerName", "stackTrace", };
178:                    OpenType[] typeTypes = {
179:                            SimpleType.LONG,
180:                            SimpleType.STRING,
181:                            SimpleType.STRING,
182:                            SimpleType.BOOLEAN,
183:                            SimpleType.BOOLEAN,
184:                            SimpleType.LONG,
185:                            SimpleType.LONG,
186:                            SimpleType.LONG,
187:                            SimpleType.LONG,
188:                            SimpleType.STRING,
189:                            SimpleType.LONG,
190:                            SimpleType.STRING,
191:                            new ArrayType(1,
192:                                    createGoodStackTraceElementCompositeType()) };
193:                    result = new CompositeType(ThreadInfo.class.getName(),
194:                            ThreadInfo.class.getName(), typeNames, typeDescs,
195:                            typeTypes);
196:                } catch (OpenDataException e) {
197:                    // TODO Auto-generated catch block
198:                    e.printStackTrace();
199:                }
200:                return result;
201:            }
202:
203:            private static CompositeType createGoodStackTraceElementCompositeType() {
204:                CompositeType result = null;
205:                String[] typeNames = { "className", "methodName", "fileName",
206:                        "lineNumber", "nativeMethod" };
207:                String[] typeDescs = { "className", "methodName", "fileName",
208:                        "lineNumber", "nativeMethod" };
209:                OpenType[] typeTypes = { SimpleType.STRING, SimpleType.STRING,
210:                        SimpleType.STRING, SimpleType.INTEGER,
211:                        SimpleType.BOOLEAN };
212:                try {
213:                    result = new CompositeType(StackTraceElement.class
214:                            .getName(), StackTraceElement.class.getName(),
215:                            typeNames, typeDescs, typeTypes);
216:                } catch (OpenDataException e) {
217:                    // TODO Auto-generated catch block
218:                    e.printStackTrace();
219:                }
220:                return result;
221:            }
222:
223:            protected void tearDown() throws Exception {
224:                super .tearDown();
225:            }
226:
227:            /*
228:             * Test method for 'java.lang.management.ThreadInfo.getBlockedCount()'
229:             */
230:            public void testGetBlockedCount() {
231:                assertEquals(GOOD_BLOCKED_COUNT, ti.getBlockedCount());
232:            }
233:
234:            /*
235:             * Test method for 'java.lang.management.ThreadInfo.getBlockedTime()'
236:             */
237:            public void testGetBlockedTime() {
238:                assertEquals(GOOD_BLOCKED_TIME, ti.getBlockedTime());
239:            }
240:
241:            /*
242:             * Test method for 'java.lang.management.ThreadInfo.getLockOwnerId()'
243:             */
244:            public void testGetLockOwnerId() {
245:                assertEquals(GOOD_LOCK_OWNER_ID, ti.getLockOwnerId());
246:            }
247:
248:            /*
249:             * Test method for 'java.lang.management.ThreadInfo.getLockOwnerName()'
250:             */
251:            public void testGetLockOwnerName() {
252:                assertEquals(GOOD_LOCK_OWNER_NAME, ti.getLockOwnerName());
253:            }
254:
255:            /*
256:             * Test method for 'java.lang.management.ThreadInfo.getStackTrace()'
257:             */
258:            public void testGetStackTrace() {
259:                StackTraceElement[] stack = ti.getStackTrace();
260:                assertEquals(GOOD_STACK_SIZE, stack.length);
261:                for (StackTraceElement element : stack) {
262:                    assertEquals(GOOD_STACK_CLASSNAME, element.getClassName());
263:                    assertEquals(GOOD_STACK_NATIVEMETHOD, element
264:                            .isNativeMethod());
265:                    assertEquals(GOOD_STACK_FILENAME, element.getFileName());
266:                    assertEquals(GOOD_STACK_LINENUMBER, element.getLineNumber());
267:                    assertEquals(GOOD_STACK_METHODNAME, element.getMethodName());
268:                }
269:            }
270:
271:            /*
272:             * Test method for 'java.lang.management.ThreadInfo.getThreadId()'
273:             */
274:            public void testGetThreadId() {
275:                assertEquals(GOOD_THREAD_ID, ti.getThreadId());
276:            }
277:
278:            /*
279:             * Test method for 'java.lang.management.ThreadInfo.getThreadName()'
280:             */
281:            public void testGetThreadName() {
282:                assertEquals(GOOD_THREAD_NAME, ti.getThreadName());
283:            }
284:
285:            /*
286:             * Test method for 'java.lang.management.ThreadInfo.getThreadState()'
287:             */
288:            public void testGetThreadState() {
289:                assertEquals(GOOD_THREAD_STATE, (ti.getThreadState()));
290:            }
291:
292:            /*
293:             * Test method for 'java.lang.management.ThreadInfo.getWaitedCount()'
294:             */
295:            public void testGetWaitedCount() {
296:                assertEquals(GOOD_WAITED_COUNT, ti.getWaitedCount());
297:            }
298:
299:            /*
300:             * Test method for 'java.lang.management.ThreadInfo.getWaitedTime()'
301:             */
302:            public void testGetWaitedTime() {
303:                assertEquals(GOOD_WAITED_TIME, ti.getWaitedTime());
304:            }
305:
306:            /*
307:             * Test method for 'java.lang.management.ThreadInfo.isInNative()'
308:             */
309:            public void testIsInNative() {
310:                assertEquals(GOOD_IN_NATIVE, ti.isInNative());
311:            }
312:
313:            /*
314:             * Test method for 'java.lang.management.ThreadInfo.isSuspended()'
315:             */
316:            public void testIsSuspended() {
317:                assertEquals(GOOD_SUSPENDED, ti.isSuspended());
318:            }
319:
320:            /*
321:             * Test method for 'java.lang.management.ThreadInfo.toString()'
322:             */
323:            public void testToString() {
324:                assertEquals(getGoodToStringVal(), ti.toString());
325:            }
326:
327:            String getGoodToStringVal() {
328:                StringBuilder result = new StringBuilder();
329:                result.append("Thread " + GOOD_THREAD_NAME + " (Id = "
330:                        + GOOD_THREAD_ID + ") " + GOOD_THREAD_STATE + " "
331:                        + GOOD_LOCK_NAME);
332:                return result.toString();
333:            }
334:        }
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