1 /*************************************************************************

     2 /* SimpleRead.java -- FilterReader simple read test.

     3 /*

     4 /* Copyright (c) 1998 Free Software Foundation, Inc.

     5 /* Written by Daryl O. Lee (dolee@sources.redhat.com)

     6 /* Adapted from CharArrayReader tests by Aaron M. Renn (arenn@urbanophile.com)

     7 /*

     8 /* This program is free software; you can redistribute it and/or modify

     9 /* it under the terms of the GNU General Public License as published 

    10 /* by the Free Software Foundation, either version 2 of the License, or

    11 /* (at your option) any later version.

    12 /*

    13 /* This program is distributed in the hope that it will be useful, but

    14 /* WITHOUT ANY WARRANTY; without even the implied warranty of

    15 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    16 /* GNU General Public License for more details.

    17 /*

    18 /* You should have received a copy of the GNU General Public License

    19 /* along with this program; if not, write to the Free Software Foundation

    20 /* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA

    21 /*************************************************************************/

    22 

    23 // Tags: JDK1.1

    24 

    25 package gnu.testlet.java.io.FilterReader;

    26 

    27 import gnu.testlet.Testlet;

    28 import gnu.testlet.TestHarness;

    29 import java.io.CharArrayReader;

    30 import java.io.Reader;

    31 import java.io.FilterReader;

    32 import java.io.IOException;

    33 

    34 public class SimpleRead extends FilterReader implements Testlet

    35 {

    36 

    37 public SimpleRead()

    38 {

    39   this(new CharArrayReader(new char[0]));

    40 }

    41 

    42 SimpleRead(CharArrayReader car)

    43 {

    44   super((Reader) car);

    45 }

    46 

    47 public void

    48 test(TestHarness harness)

    49 {

    50   String str = "In junior high, I did a lot writing.  I wrote a science\n" +

    51      "fiction novel length story that was called 'The Destruction of\n" +

    52      "Planet Earth'.  All the characters in the story were my friends \n" +

    53      "from school because I couldn't think up any cool names.\n";

    54 

    55   char[] str_chars = new char[str.length()];

    56   str.getChars(0, str.length(), str_chars, 0);

    57   char[] read_buf = new char[12];

    58 

    59   CharArrayReader car = new CharArrayReader(str_chars);

    60   SimpleRead fr = new SimpleRead(car);

    61 

    62   try

    63     {

    64 	  harness.check(fr.read(), 'I', "read()");

    65       int chars_read, total_read = 0;

    66       while ((chars_read = fr.read(read_buf, 0, read_buf.length)) != -1)

    67         {

    68           harness.debug(new String(read_buf, 0, chars_read), false);

    69           total_read += chars_read;

    70         }

    71 

    72       harness.check(total_read, str.length()-1, "read(buf,off,len)");  // -1 compensates for single read() earlier

    73     }

    74   catch (IOException e)

    75     {

    76       harness.debug(e);

    77       harness.check(false);

    78     }

    79 }

    80 

    81 } // SimpleRead

    82