javacommons/utils/tsrc/javasrc/com/nokia/mj/impl/utils/BufferedReaderTests.java
branchRCL_3
changeset 19 04becd199f91
child 67 63b81d807542
equal deleted inserted replaced
16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 package com.nokia.mj.impl.utils;
       
    20 
       
    21 import com.nokia.mj.impl.installer.utils.InstallerMain;
       
    22 import com.nokia.mj.impl.utils.BufferedReader;
       
    23 
       
    24 import java.io.ByteArrayInputStream;
       
    25 import java.io.InputStreamReader;
       
    26 import java.io.IOException;
       
    27 
       
    28 import j2meunit.framework.Test;
       
    29 import j2meunit.framework.TestCase;
       
    30 import j2meunit.framework.TestMethod;
       
    31 import j2meunit.framework.TestSuite;
       
    32 
       
    33 /**
       
    34  * BufferedReader unit tests.
       
    35  */
       
    36 public class BufferedReaderTests extends TestCase implements InstallerMain
       
    37 {
       
    38 
       
    39     private static final String TEST_DATA = "one\ntwo\nthree";
       
    40     private static final int MAX_BUF_SIZE = 16;
       
    41 
       
    42     // Begin j2meunit test framework setup
       
    43     public void installerMain(String[] args)
       
    44     {
       
    45         TestSuite suite = new TestSuite(this.getClass().getName());
       
    46 
       
    47         suite.addTest(new BufferedReaderTests("testMark", new TestMethod()
       
    48         {
       
    49             public void run(TestCase tc)
       
    50             {
       
    51                 ((BufferedReaderTests)tc).testMark();
       
    52             }
       
    53         }));
       
    54         suite.addTest(new BufferedReaderTests("testRead", new TestMethod()
       
    55         {
       
    56             public void run(TestCase tc)
       
    57             {
       
    58                 ((BufferedReaderTests)tc).testRead();
       
    59             }
       
    60         }));
       
    61         suite.addTest(new BufferedReaderTests("testRead2", new TestMethod()
       
    62         {
       
    63             public void run(TestCase tc)
       
    64             {
       
    65                 ((BufferedReaderTests)tc).testRead2();
       
    66             }
       
    67         }));
       
    68         suite.addTest(new BufferedReaderTests("testReadLine", new TestMethod()
       
    69         {
       
    70             public void run(TestCase tc)
       
    71             {
       
    72                 ((BufferedReaderTests)tc).testReadLine();
       
    73             }
       
    74         }));
       
    75         suite.addTest(new BufferedReaderTests("testSkip", new TestMethod()
       
    76         {
       
    77             public void run(TestCase tc)
       
    78             {
       
    79                 ((BufferedReaderTests)tc).testSkip();
       
    80             }
       
    81         }));
       
    82 
       
    83         com.nokia.mj.impl.utils.OmjTestRunner.run(suite);
       
    84     }
       
    85 
       
    86     public BufferedReaderTests()
       
    87     {
       
    88     }
       
    89 
       
    90     public BufferedReaderTests(String aTestName, TestMethod aTestMethod)
       
    91     {
       
    92         super(aTestName, aTestMethod);
       
    93     }
       
    94 
       
    95     public void assertFalse(String aMsg, boolean aCondition)
       
    96     {
       
    97         assertTrue(aMsg, !aCondition);
       
    98     }
       
    99 
       
   100     // End j2meunit test framework setup
       
   101 
       
   102     protected void setUp()
       
   103     {
       
   104     }
       
   105 
       
   106     protected void tearDown()
       
   107     {
       
   108     }
       
   109 
       
   110     public void testMark()
       
   111     {
       
   112         BufferedReader r = null;
       
   113         try
       
   114         {
       
   115             r = new BufferedReader(
       
   116                 new InputStreamReader(
       
   117                     new ByteArrayInputStream(TEST_DATA.getBytes())));
       
   118             assertTrue("r.markSupported() != false",
       
   119                        r.markSupported() == false);
       
   120             try
       
   121             {
       
   122                 r.mark(10);
       
   123                 assertTrue("mark didn't throw exception", false);
       
   124             }
       
   125             catch (IOException ioe)
       
   126             {
       
   127             }
       
   128             catch (Throwable t)
       
   129             {
       
   130                 assertTrue("mark threw wrong exception: " + t.toString(),
       
   131                            false);
       
   132             }
       
   133             try
       
   134             {
       
   135                 r.reset();
       
   136                 assertTrue("reset didn't throw exception", false);
       
   137             }
       
   138             catch (IOException ioe)
       
   139             {
       
   140             }
       
   141             catch (Throwable t)
       
   142             {
       
   143                 assertTrue("reset threw wrong exception: " + t.toString(),
       
   144                            false);
       
   145             }
       
   146         }
       
   147         catch (Throwable t)
       
   148         {
       
   149             assertTrue(t.toString(), false);
       
   150             t.printStackTrace();
       
   151         }
       
   152         finally
       
   153         {
       
   154             if (r != null)
       
   155             {
       
   156                 try
       
   157                 {
       
   158                     r.close();
       
   159                 }
       
   160                 catch (IOException ioe)
       
   161                 {
       
   162                 }
       
   163             }
       
   164         }
       
   165     }
       
   166 
       
   167     public void testRead()
       
   168     {
       
   169         for (int i = 1; i < MAX_BUF_SIZE; i++)
       
   170         {
       
   171             testRead(i);
       
   172         }
       
   173     }
       
   174 
       
   175     private void testRead(int aBufSize)
       
   176     {
       
   177         BufferedReader r = null;
       
   178         try
       
   179         {
       
   180             r = new BufferedReader(
       
   181                 new InputStreamReader(
       
   182                     new ByteArrayInputStream(TEST_DATA.getBytes())));
       
   183             try
       
   184             {
       
   185                 for (int i = 0; r.ready(); i++)
       
   186                 {
       
   187                     char c = (char)r.read();
       
   188                     assertTrue("incorrect char '" + c + "' at index " + i +
       
   189                                ", bufSize=" + aBufSize,
       
   190                                TEST_DATA.charAt(i) == c);
       
   191                 }
       
   192                 int eos = r.read();
       
   193                 assertTrue("read: incorrect end of stream result: " + eos +
       
   194                            ", bufSize=" + aBufSize, eos == -1);
       
   195             }
       
   196             catch (IOException ioe)
       
   197             {
       
   198                 assertTrue("read threw exception: " + ioe.toString(),
       
   199                            false);
       
   200             }
       
   201         }
       
   202         catch (Throwable t)
       
   203         {
       
   204             assertTrue(t.toString(), false);
       
   205             t.printStackTrace();
       
   206         }
       
   207         finally
       
   208         {
       
   209             if (r != null)
       
   210             {
       
   211                 try
       
   212                 {
       
   213                     r.close();
       
   214                 }
       
   215                 catch (IOException ioe)
       
   216                 {
       
   217                 }
       
   218             }
       
   219         }
       
   220     }
       
   221 
       
   222     public void testRead2()
       
   223     {
       
   224         for (int i = 1; i < MAX_BUF_SIZE; i++)
       
   225         {
       
   226             testRead2(i);
       
   227         }
       
   228     }
       
   229 
       
   230     private void testRead2(int aBufSize)
       
   231     {
       
   232         BufferedReader r = null;
       
   233         try
       
   234         {
       
   235             r = new BufferedReader(
       
   236                 new InputStreamReader(
       
   237                     new ByteArrayInputStream(TEST_DATA.getBytes())));
       
   238             try
       
   239             {
       
   240                 char[] buf = new char[5];
       
   241                 for (int i = 0; r.ready(); i++)
       
   242                 {
       
   243                     int count = r.read(buf);
       
   244                     String line = new String(buf);
       
   245                     String msg = "incorrect chars '" + line +
       
   246                                  "', i=" + i + ", bufSize=" + aBufSize;
       
   247                     switch (i)
       
   248                     {
       
   249                     case 0:
       
   250                         assertTrue(msg, count == 5 && line.equals("one\nt"));
       
   251                         break;
       
   252                     case 1:
       
   253                         assertTrue(msg, count == 5 && line.equals("wo\nth"));
       
   254                         break;
       
   255                     case 2:
       
   256                         assertTrue(msg, count == 3 && line.equals("reeth"));
       
   257                         break;
       
   258                     default:
       
   259                         assertTrue("incorrect number of reads" +
       
   260                                    ", bufSize=" + aBufSize, false);
       
   261                     }
       
   262                 }
       
   263                 int eos = r.read();
       
   264                 assertTrue("read: incorrect end of stream result: " + eos +
       
   265                            ", bufSize=" + aBufSize, eos == -1);
       
   266             }
       
   267             catch (IOException ioe)
       
   268             {
       
   269                 assertTrue("read threw exception: " + ioe.toString(),
       
   270                            false);
       
   271             }
       
   272         }
       
   273         catch (Throwable t)
       
   274         {
       
   275             assertTrue(t.toString(), false);
       
   276             t.printStackTrace();
       
   277         }
       
   278         finally
       
   279         {
       
   280             if (r != null)
       
   281             {
       
   282                 try
       
   283                 {
       
   284                     r.close();
       
   285                 }
       
   286                 catch (IOException ioe)
       
   287                 {
       
   288                 }
       
   289             }
       
   290         }
       
   291     }
       
   292 
       
   293     public void testReadLine()
       
   294     {
       
   295         for (int i = 1; i < MAX_BUF_SIZE; i++)
       
   296         {
       
   297             testReadLine(i);
       
   298         }
       
   299     }
       
   300 
       
   301     private void testReadLine(int aBufSize)
       
   302     {
       
   303         BufferedReader r = null;
       
   304         try
       
   305         {
       
   306             r = new BufferedReader(
       
   307                 new InputStreamReader(
       
   308                     new ByteArrayInputStream(TEST_DATA.getBytes())));
       
   309             try
       
   310             {
       
   311                 for (int i = 0; r.ready(); i++)
       
   312                 {
       
   313                     String line = r.readLine();
       
   314                     String msg = "incorrect line " + i + ": '" + line +
       
   315                                  "', bufSize=" + aBufSize;
       
   316                     switch (i)
       
   317                     {
       
   318                     case 0:
       
   319                         assertTrue(msg, line.equals("one"));
       
   320                         break;
       
   321                     case 1:
       
   322                         assertTrue(msg, line.equals("two"));
       
   323                         break;
       
   324                     case 2:
       
   325                         assertTrue(msg, line.equals("three"));
       
   326                         break;
       
   327                     default:
       
   328                         assertTrue("incorrect number of lines" +
       
   329                                    ", bufSize=" + aBufSize, false);
       
   330                     }
       
   331                 }
       
   332                 String eos = r.readLine();
       
   333                 assertTrue("readline: incorrect end of stream result: '" + eos +
       
   334                            "', bufSize=" + aBufSize, eos == null);
       
   335             }
       
   336             catch (IOException ioe)
       
   337             {
       
   338                 assertTrue("readLine threw exception: " + ioe.toString(),
       
   339                            false);
       
   340             }
       
   341         }
       
   342         catch (Throwable t)
       
   343         {
       
   344             assertTrue(t.toString(), false);
       
   345             t.printStackTrace();
       
   346         }
       
   347         finally
       
   348         {
       
   349             if (r != null)
       
   350             {
       
   351                 try
       
   352                 {
       
   353                     r.close();
       
   354                 }
       
   355                 catch (IOException ioe)
       
   356                 {
       
   357                 }
       
   358             }
       
   359         }
       
   360     }
       
   361 
       
   362     public void testSkip()
       
   363     {
       
   364         for (int bufSize=1; bufSize<MAX_BUF_SIZE; bufSize++)
       
   365         {
       
   366             for (int skipAmount=0; skipAmount<MAX_BUF_SIZE+2; skipAmount++)
       
   367             {
       
   368                 testSkip(bufSize, skipAmount);
       
   369             }
       
   370         }
       
   371     }
       
   372 
       
   373     private void testSkip(int aBufSize, int aSkipAmount)
       
   374     {
       
   375         BufferedReader r = null;
       
   376         try
       
   377         {
       
   378             r = new BufferedReader(
       
   379                 new InputStreamReader(
       
   380                     new ByteArrayInputStream(TEST_DATA.getBytes())));
       
   381             try
       
   382             {
       
   383                 for (int i = 0; r.ready(); i++)
       
   384                 {
       
   385                     char c = (char)r.read();
       
   386                     assertTrue("incorrect char '" + c + "' at index " + i +
       
   387                                ", bufSize=" + aBufSize +
       
   388                                ", skipAmount=" + aSkipAmount,
       
   389                                TEST_DATA.charAt(i) == c);
       
   390                     r.skip(aSkipAmount);
       
   391                     i += aSkipAmount;
       
   392                 }
       
   393                 long eos = r.skip(1);
       
   394                 assertTrue("skip: incorrect end of stream result: " + eos +
       
   395                            ", bufSize=" + aBufSize, eos == 0);
       
   396             }
       
   397             catch (IOException ioe)
       
   398             {
       
   399                 assertTrue("Unexpected exception: " + ioe.toString(),
       
   400                            false);
       
   401             }
       
   402         }
       
   403         catch (Throwable t)
       
   404         {
       
   405             assertTrue(t.toString(), false);
       
   406             t.printStackTrace();
       
   407         }
       
   408         finally
       
   409         {
       
   410             if (r != null)
       
   411             {
       
   412                 try
       
   413                 {
       
   414                     r.close();
       
   415                 }
       
   416                 catch (IOException ioe)
       
   417                 {
       
   418                 }
       
   419             }
       
   420         }
       
   421     }
       
   422 }