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      1 /*
      2  * Copyright (C) 2007 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.os;
     18 
     19 import android.os.Broadcaster;
     20 import android.os.Handler;
     21 import android.os.Message;
     22 import android.test.suitebuilder.annotation.MediumTest;
     23 import android.test.suitebuilder.annotation.SmallTest;
     24 import junit.framework.TestCase;
     25 
     26 public class BroadcasterTest extends TestCase {
     27     private static final int MESSAGE_A = 23234;
     28     private static final int MESSAGE_B = 3;
     29     private static final int MESSAGE_C = 14;
     30     private static final int MESSAGE_D = 95;
     31 
     32     @MediumTest
     33     public void test1() throws Exception {
     34         /*
     35         * One handler requestes one message, with a translation
     36         */
     37         HandlerTester tester = new HandlerTester() {
     38             Handler h;
     39 
     40             public void go() {
     41                 Broadcaster b = new Broadcaster();
     42                 h = new H();
     43 
     44                 b.request(MESSAGE_A, h, MESSAGE_B);
     45 
     46                 Message msg = new Message();
     47                 msg.what = MESSAGE_A;
     48 
     49                 b.broadcast(msg);
     50             }
     51 
     52             public void handleMessage(Message msg) {
     53                 if (msg.what == MESSAGE_B) {
     54                     success();
     55                 } else {
     56                     failure();
     57                 }
     58             }
     59         };
     60         tester.doTest(1000);
     61     }
     62 
     63     private static class Tests2and3 extends HandlerTester {
     64         Tests2and3(int n) {
     65             N = n;
     66         }
     67 
     68         int N;
     69         Handler mHandlers[];
     70         boolean mSuccess[];
     71 
     72         public void go() {
     73             Broadcaster b = new Broadcaster();
     74             mHandlers = new Handler[N];
     75             mSuccess = new boolean[N];
     76             for (int i = 0; i < N; i++) {
     77                 mHandlers[i] = new H();
     78                 mSuccess[i] = false;
     79                 b.request(MESSAGE_A, mHandlers[i], MESSAGE_B + i);
     80             }
     81 
     82             Message msg = new Message();
     83             msg.what = MESSAGE_A;
     84 
     85             b.broadcast(msg);
     86         }
     87 
     88         public void handleMessage(Message msg) {
     89             int index = msg.what - MESSAGE_B;
     90             if (index < 0 || index >= N) {
     91                 failure();
     92             } else {
     93                 if (msg.getTarget() == mHandlers[index]) {
     94                     mSuccess[index] = true;
     95                 }
     96             }
     97             boolean winner = true;
     98             for (int i = 0; i < N; i++) {
     99                 if (!mSuccess[i]) {
    100                     winner = false;
    101                 }
    102             }
    103             if (winner) {
    104                 success();
    105             }
    106         }
    107     }
    108 
    109     @MediumTest
    110     public void test2() throws Exception {
    111         /*
    112         * 2 handlers request the same message, with different translations
    113         */
    114         HandlerTester tester = new Tests2and3(2);
    115         tester.doTest(1000);
    116     }
    117 
    118     @MediumTest
    119     public void test3() throws Exception {
    120         /*
    121         * 1000 handlers request the same message, with different translations
    122         */
    123         HandlerTester tester = new Tests2and3(10);
    124         tester.doTest(1000);
    125     }
    126 
    127     @MediumTest
    128     public void test4() throws Exception {
    129         /*
    130         * Two handlers request different messages, with translations, sending
    131         * only one.  The other one should never get sent.
    132         */
    133         HandlerTester tester = new HandlerTester() {
    134             Handler h1;
    135             Handler h2;
    136 
    137             public void go() {
    138                 Broadcaster b = new Broadcaster();
    139                 h1 = new H();
    140                 h2 = new H();
    141 
    142                 b.request(MESSAGE_A, h1, MESSAGE_C);
    143                 b.request(MESSAGE_B, h2, MESSAGE_D);
    144 
    145                 Message msg = new Message();
    146                 msg.what = MESSAGE_A;
    147 
    148                 b.broadcast(msg);
    149             }
    150 
    151             public void handleMessage(Message msg) {
    152                 if (msg.what == MESSAGE_C && msg.getTarget() == h1) {
    153                     success();
    154                 } else {
    155                     failure();
    156                 }
    157             }
    158         };
    159         tester.doTest(1000);
    160     }
    161 
    162     @MediumTest
    163     public void test5() throws Exception {
    164         /*
    165         * Two handlers request different messages, with translations, sending
    166         * only one.  The other one should never get sent.
    167         */
    168         HandlerTester tester = new HandlerTester() {
    169             Handler h1;
    170             Handler h2;
    171 
    172             public void go() {
    173                 Broadcaster b = new Broadcaster();
    174                 h1 = new H();
    175                 h2 = new H();
    176 
    177                 b.request(MESSAGE_A, h1, MESSAGE_C);
    178                 b.request(MESSAGE_B, h2, MESSAGE_D);
    179 
    180                 Message msg = new Message();
    181                 msg.what = MESSAGE_B;
    182 
    183                 b.broadcast(msg);
    184             }
    185 
    186             public void handleMessage(Message msg) {
    187                 if (msg.what == MESSAGE_D && msg.getTarget() == h2) {
    188                     success();
    189                 } else {
    190                     failure();
    191                 }
    192             }
    193         };
    194         tester.doTest(1000);
    195     }
    196 
    197     @MediumTest
    198     public void test6() throws Exception {
    199         /*
    200         * Two handlers request same message. Cancel the request for the
    201         * 2nd handler, make sure the first still works.
    202         */
    203         HandlerTester tester = new HandlerTester() {
    204             Handler h1;
    205             Handler h2;
    206 
    207             public void go() {
    208                 Broadcaster b = new Broadcaster();
    209                 h1 = new H();
    210                 h2 = new H();
    211 
    212                 b.request(MESSAGE_A, h1, MESSAGE_C);
    213                 b.request(MESSAGE_A, h2, MESSAGE_D);
    214                 b.cancelRequest(MESSAGE_A, h2, MESSAGE_D);
    215 
    216                 Message msg = new Message();
    217                 msg.what = MESSAGE_A;
    218 
    219                 b.broadcast(msg);
    220             }
    221 
    222             public void handleMessage(Message msg) {
    223                 if (msg.what == MESSAGE_C && msg.getTarget() == h1) {
    224                     success();
    225                 } else {
    226                     failure();
    227                 }
    228             }
    229         };
    230         tester.doTest(1000);
    231     }
    232 }
    233