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      1 /* GENERATED SOURCE. DO NOT MODIFY. */
      2 //  2016 and later: Unicode, Inc. and others.
      3 // License & terms of use: http://www.unicode.org/copyright.html#License
      4 /*
      5  *******************************************************************************
      6  * Copyright (C) 1996-2014, International Business Machines Corporation and
      7  * others. All Rights Reserved.
      8  *******************************************************************************
      9  */
     10 
     11 package android.icu.dev.test.util;
     12 
     13 import java.io.IOException;
     14 import java.nio.ByteBuffer;
     15 
     16 import org.junit.Test;
     17 
     18 import android.icu.dev.test.TestFmwk;
     19 import android.icu.impl.ICUBinary;
     20 
     21 /**
     22 * Testing class for Trie. Tests here will be simple, since both CharTrie and
     23 * IntTrie are very similar and are heavily used in other parts of ICU4J.
     24 * Codes using Tries are expected to have detailed tests.
     25 * @author Syn Wee Quek
     26 * @since release 2.1 Jan 01 2002
     27 */
     28 public final class ICUBinaryTest extends TestFmwk
     29 {
     30     // constructor ---------------------------------------------------
     31 
     32     /**
     33     * Constructor
     34     */
     35     public ICUBinaryTest()
     36     {
     37     }
     38 
     39     // public methods -----------------------------------------------
     40 
     41     /**
     42      * Testing the constructors of the Tries
     43      */
     44     @Test
     45     public void TestReadHeader()
     46     {
     47         int formatid = 0x01020304;
     48         byte array[] = {
     49             // header size
     50             0, 0x18,
     51             // magic numbers
     52             (byte)0xda, 0x27,
     53             // size
     54             0, 0x14,
     55             // reserved word
     56             0, 0,
     57             // bigendian
     58             1,
     59             // charset
     60             0,
     61             // charsize
     62             2,
     63             // reserved byte
     64             0,
     65             // data format id
     66             1, 2, 3, 4,
     67             // dataVersion
     68             1, 2, 3, 4,
     69             // unicodeVersion
     70             3, 2, 0, 0
     71         };
     72         ByteBuffer bytes = ByteBuffer.wrap(array);
     73         ICUBinary.Authenticate authenticate
     74                 = new ICUBinary.Authenticate() {
     75                     public boolean isDataVersionAcceptable(byte version[])
     76                     {
     77                         return version[0] == 1;
     78                     }
     79                 };
     80         // check full data version
     81         try {
     82             ICUBinary.readHeader(bytes, formatid, authenticate);
     83         } catch (IOException e) {
     84             errln("Failed: Lenient authenticate object should pass ICUBinary.readHeader");
     85         }
     86         // no restriction to the data version
     87         try {
     88             bytes.rewind();
     89             ICUBinary.readHeader(bytes, formatid, null);
     90         } catch (IOException e) {
     91             errln("Failed: Null authenticate object should pass ICUBinary.readHeader");
     92         }
     93         // lenient data version
     94         array[17] = 9;
     95         try {
     96             bytes.rewind();
     97             ICUBinary.readHeader(bytes, formatid, authenticate);
     98         } catch (IOException e) {
     99             errln("Failed: Lenient authenticate object should pass ICUBinary.readHeader");
    100         }
    101         // changing the version to an incorrect one, expecting failure
    102         array[16] = 2;
    103         try {
    104             bytes.rewind();
    105             ICUBinary.readHeader(bytes, formatid, authenticate);
    106             errln("Failed: Invalid version number should not pass authenticate object");
    107         } catch (IOException e) {
    108             logln("PASS: ICUBinary.readHeader with invalid version number failed as expected");
    109         }
    110     }
    111 }
    112