/********************************************************************
 * COPYRIGHT: 
 * Copyright (c) 1999-2001, International Business Machines Corporation and
 * others. All Rights Reserved.
 ********************************************************************/
/************************************************************************
*   Date        Name        Description
*   12/14/99    Madhu        Creation.
*   01/12/2000  Madhu        updated for changed API
************************************************************************/

#include "unicode/utypes.h"

#if !UCONFIG_NO_BREAK_ITERATION

#include "unicode/uchar.h"
#include "intltest.h"
#include "unicode/rbbi.h"
#include "unicode/schriter.h"
#include "rbbiapts.h"
#include "string.h"
#include "stdio.h"

/**
 * API Test the RuleBasedBreakIterator class
 */


void RBBIAPITest::TestCloneEquals()
{

    UErrorCode status=U_ZERO_ERROR;
    RuleBasedBreakIterator* bi1     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* biequal = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* bi3     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* bi2     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL : in construction");
        return;
    }


    UnicodeString testString="Testing word break iterators's clone() and equals()";
    bi1->setText(testString);
    bi2->setText(testString);
    biequal->setText(testString);

    bi3->setText("hello");

    logln((UnicodeString)"Testing equals()");

    logln((UnicodeString)"Testing == and !=");
    UBool b = (*bi1 != *biequal);
    b |= *bi1 == *bi2;
    b |= *bi1 == *bi3;
    if (b) {
        errln((UnicodeString)"ERROR:1 RBBI's == and != operator failed.");
    }

    if(*bi2 == *biequal || *bi2 == *bi1  || *biequal == *bi3)
        errln((UnicodeString)"ERROR:2 RBBI's == and != operator  failed.");


    // Quick test of RulesBasedBreakIterator assignment - 
    // Check that
    //    two different iterators are !=
    //    they are == after assignment
    //    source and dest iterator produce the same next() after assignment.
    //    deleting one doesn't disable the other.
    logln("Testing assignment");
    RuleBasedBreakIterator *bix = (RuleBasedBreakIterator *)BreakIterator::createLineInstance(Locale::getEnglish(), status);
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL : in construction");
        return;
    }

    RuleBasedBreakIterator biDefault, biDefault2;
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL : in construction of default iterator");
        return;
    }
    if (biDefault == *bix) {
        errln((UnicodeString)"ERROR: iterators should not compare ==");
        return;
    }
    if (biDefault != biDefault2) {
        errln((UnicodeString)"ERROR: iterators should compare ==");
        return;
    }


    UnicodeString   HelloString("Hello Kitty");
    bix->setText(HelloString);
    if (*bix == *bi2) {
        errln(UnicodeString("ERROR: strings should not be equal before assignment."));
    }
    *bix = *bi2;
    if (*bix != *bi2) {
        errln(UnicodeString("ERROR: strings should be equal before assignment."));
    }

    int bixnext = bix->next();
    int bi2next = bi2->next();
    if (! (bixnext == bi2next && bixnext == 7)) {
        errln(UnicodeString("ERROR: iterators behaved differently after assignment."));
    }
    delete bix;
    if (bi2->next() != 8) {
        errln(UnicodeString("ERROR: iterator.next() failed after deleting copy."));
    }


    logln((UnicodeString)"Testing clone()");
    RuleBasedBreakIterator* bi1clone=(RuleBasedBreakIterator*)bi1->clone();
    RuleBasedBreakIterator* bi2clone=(RuleBasedBreakIterator*)bi2->clone();

    if(*bi1clone != *bi1 || *bi1clone  != *biequal  ||  
      *bi1clone == *bi3 || *bi1clone == *bi2)
        errln((UnicodeString)"ERROR:1 RBBI's clone() method failed");

    if(*bi2clone == *bi1 || *bi2clone == *biequal ||  
       *bi2clone == *bi3 || *bi2clone != *bi2)
        errln((UnicodeString)"ERROR:2 RBBI's clone() method failed");

    if(bi1->getText() != bi1clone->getText()   ||
       bi2clone->getText() != bi2->getText()   || 
       *bi2clone == *bi1clone )
        errln((UnicodeString)"ERROR: RBBI's clone() method failed");

    delete bi1clone;
    delete bi2clone;
    delete bi1;
    delete bi3;
    delete bi2;
    delete biequal;
}

void RBBIAPITest::TestBoilerPlate()
{
    UErrorCode status = U_ZERO_ERROR;
    BreakIterator* a = BreakIterator::createLineInstance(Locale("hi"), status);
    BreakIterator* b = BreakIterator::createLineInstance(Locale("hi_IN"),status);
    if(*a!=*b){
        errln("Failed: boilerplate method operator!= does not return correct results");
    }
    BreakIterator* c = BreakIterator::createLineInstance(Locale("th"),status);
    if(*c==*a){
        errln("Failed: boilerplate method opertator== does not return correct results");
    }
    delete a;
    delete b;
    delete c;
}

void RBBIAPITest::TestgetRules()
{
    UErrorCode status=U_ZERO_ERROR;

    RuleBasedBreakIterator* bi1=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* bi2=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL: in construction");
        delete bi1;
        delete bi2;
        return;
    }


    logln((UnicodeString)"Testing toString()");

    bi1->setText((UnicodeString)"Hello there");

    RuleBasedBreakIterator* bi3 =(RuleBasedBreakIterator*)bi1->clone();

    UnicodeString temp=bi1->getRules();
    UnicodeString temp2=bi2->getRules();
    UnicodeString temp3=bi3->getRules();
    if( temp2.compare(temp3) ==0 || temp.compare(temp2) == 0 || temp.compare(temp3) != 0)
        errln((UnicodeString)"ERROR: error in getRules() method");

    delete bi1;
    delete bi2;
    delete bi3;
}
void RBBIAPITest::TestHashCode()
{
    UErrorCode status=U_ZERO_ERROR;
    RuleBasedBreakIterator* bi1     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* bi3     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* bi2     = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL : in construction");
        delete bi1;
        delete bi2;
        delete bi3;
        return;
    }


    logln((UnicodeString)"Testing hashCode()");

    bi1->setText((UnicodeString)"Hash code");
    bi2->setText((UnicodeString)"Hash code");
    bi3->setText((UnicodeString)"Hash code");

    RuleBasedBreakIterator* bi1clone= (RuleBasedBreakIterator*)bi1->clone();
    RuleBasedBreakIterator* bi2clone= (RuleBasedBreakIterator*)bi2->clone();

    if(bi1->hashCode() != bi1clone->hashCode() ||  bi1->hashCode() != bi3->hashCode() ||
        bi1clone->hashCode() != bi3->hashCode() || bi2->hashCode() != bi2clone->hashCode())
        errln((UnicodeString)"ERROR: identical objects have different hashcodes");

    if(bi1->hashCode() == bi2->hashCode() ||  bi2->hashCode() == bi3->hashCode() ||
        bi1clone->hashCode() == bi2clone->hashCode() || bi1clone->hashCode() == bi2->hashCode())
        errln((UnicodeString)"ERROR: different objects have same hashcodes");

    delete bi1clone;
    delete bi2clone; 
    delete bi1;
    delete bi2;
    delete bi3;

}
void RBBIAPITest::TestGetSetAdoptText()
{
    logln((UnicodeString)"Testing getText setText ");
    UErrorCode status=U_ZERO_ERROR;
    UnicodeString str1="first string.";
    UnicodeString str2="Second string.";
    RuleBasedBreakIterator* charIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    RuleBasedBreakIterator* wordIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status)){
        errln((UnicodeString)"FAIL : in construction");
            return;
    }


    CharacterIterator* text1= new StringCharacterIterator(str1);
    CharacterIterator* text1Clone = text1->clone();
    CharacterIterator* text2= new StringCharacterIterator(str2);
    CharacterIterator* text3= new StringCharacterIterator(str2, 3, 10, 3); //  "ond str"
    
    wordIter1->setText(str1);
    if(wordIter1->getText() != *text1)
       errln((UnicodeString)"ERROR:1 error in setText or getText ");
    if(wordIter1->current() != 0)
        errln((UnicodeString)"ERROR:1 setText did not set the iteration position to the beginning of the text, it is" + wordIter1->current() + (UnicodeString)"\n");

    wordIter1->next(2);

    wordIter1->setText(str2);
    if(wordIter1->current() != 0)
        errln((UnicodeString)"ERROR:2 setText did not reset the iteration position to the beginning of the text, it is" + wordIter1->current() + (UnicodeString)"\n");


    charIter1->adoptText(text1Clone);
    if( wordIter1->getText() == charIter1->getText() || 
        wordIter1->getText() != *text2 ||  charIter1->getText() != *text1 )
        errln((UnicodeString)"ERROR:2 error is getText or setText()");

    RuleBasedBreakIterator* rb=(RuleBasedBreakIterator*)wordIter1->clone();
    rb->adoptText(text1);
    if(rb->getText() != *text1)
        errln((UnicodeString)"ERROR:1 error in adoptText ");
    rb->adoptText(text2);
    if(rb->getText() != *text2)
        errln((UnicodeString)"ERROR:2 error in adoptText ");

    // Adopt where iterator range is less than the entire orignal source string.
    rb->adoptText(text3);
    if(rb->preceding(2) != 3) {
        errln((UnicodeString)"ERROR:3 error in adoptText ");
    }
    if(rb->following(11) != BreakIterator::DONE) {
        errln((UnicodeString)"ERROR:4 error in adoptText ");
    }

    delete wordIter1;
    delete charIter1;
    delete rb;

 }   
void RBBIAPITest::TestFirstNextFollowing()
{
    int32_t p, q;
    UErrorCode status=U_ZERO_ERROR;
    UnicodeString testString="This is a word break. Isn't it? 2.25";
    logln((UnicodeString)"Testing first() and next(), following() with custom rules");
    logln((UnicodeString)"testing word iterator - string :- \"" + prettify(testString) + (UnicodeString)"\"\n");

    RuleBasedBreakIterator* wordIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        wordIter1->setText(testString);
        p = wordIter1->first();
        if(p !=0 )
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of 0");

        q=wordIter1->next(9);
        doTest(testString, p,  q, 20, "This is a word break");
        p=q;
        q=wordIter1->next();
        doTest(testString, p, q, 21, ".");
        p=q;
        q=wordIter1->next(3);
        doTest(testString, p, q, 28, " Isn't ");
        p=q;
        q=wordIter1->next(2);
        doTest(testString, p, q, 31, "it?");
        //logln((UnicodeString)"Testing following(int)");
        q=wordIter1->following(2);
        doTest(testString, 2, q, 4, "is");
        q=wordIter1->following(22);
        doTest(testString, 22, q, 27, "Isn't"); 
        wordIter1->last();   
        p=wordIter1->next();
        q=wordIter1->following(wordIter1->last());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: next()/following() at last position returned #" + 
                p + (UnicodeString)" and " + q + (UnicodeString)" instead of" + testString.length() + (UnicodeString)"\n");

    }

    status=U_ZERO_ERROR;
    RuleBasedBreakIterator* charIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        testString=CharsToUnicodeString("Write hindi here. \\u092d\\u093e\\u0930\\u0924 \\u0938\\u0941\\u0902\\u0926\\u0930 \\u0939\\u094c\\u0964");
        logln((UnicodeString)"testing char iter - string:- \"" + prettify(testString) + (UnicodeString)"\"");
        charIter1->setText(testString);
        p = charIter1->first();
        if(p !=0 )
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of 0");
        q=charIter1->next();
        doTest(testString, p, q, 1, "W");
        p=q;
        q=charIter1->next(4);
        doTest(testString, p, q, 5, "rite");
        p=q;                              
        q=charIter1->next(12);
        doTest(testString, p, q, 17, " hindi here.");
        p=q;
        q=charIter1->next(-6);
        doTest(testString, p, q, 11, " here.");
        p=q;
        q=charIter1->next(6);
        doTest(testString, p, q, 17, " here."); 
        // hindi starts here
        p=q;
        q=charIter1->next(4);
        doTest(testString, p, q, 22, " \\u092d\\u093e\\u0930\\u0924");
        p=q;
        q=charIter1->next(2);
        doTest(testString, p, q, 26, " \\u0938\\u0941\\u0902");

        q=charIter1->following(24);
        doTest(testString, 24, q, 26, "\\u0941\\u0902");
        q=charIter1->following(20);
        doTest(testString, 20, q, 21, "\\u0930");
        p=charIter1->following(charIter1->last());
        q=charIter1->next(charIter1->last());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: following()/next() at last position returned #" +
                p + (UnicodeString)" and " + q + (UnicodeString)" instead of" + testString.length());


    }

    status=U_ZERO_ERROR;
    testString="Hello! how are you? I'am fine. Thankyou. How are you doing? This\n costs $20,00,000.";
    //          0123456789012345678901234567890123456789012345678901234567890123 45678901234567890123456789
    //          0         1         2         3         4         5         6          7         8
    RuleBasedBreakIterator* sentIter1=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createSentenceInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        logln((UnicodeString)"testing sentence iter - String:- \"" + prettify(testString) + (UnicodeString)"\""); 
        sentIter1->setText(testString);
        p = sentIter1->first();
        if(p !=0 )
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of 0");
        q=sentIter1->next();
        doTest(testString, p, q, 7,  "Hello! ");
        p=q;
        q=sentIter1->next(2);
        doTest(testString, p, q, 31, "how are you? I'am fine. ");
        p=q;        
        q=sentIter1->next(-2);
        doTest(testString, p, q, 7, "how are you? I'am fine. ");
        p=q;
        q=sentIter1->next(4);
        doTest(testString, p, q, 60, "how are you? I'am fine. Thankyou. How are you doing? ");
        p=q; 
        q=sentIter1->next(2);
        doTest(testString, p, q, 83, "This\n costs $20,00,000.");
        q=sentIter1->following(1);
        doTest(testString, 1, q, 7, "ello! ");
        q=sentIter1->following(10);
        doTest(testString, 10, q, 20,  " are you? ");
        q=sentIter1->following(20);
        doTest(testString, 20, q, 31, "I'am fine. ");  
        p=sentIter1->following(sentIter1->last());
        q=sentIter1->next(sentIter1->last());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: following()/next() at last position returned #" + 
                p + (UnicodeString)" and " + q + (UnicodeString)" instead of" + testString.length());

    }

    status=U_ZERO_ERROR;
    testString=CharsToUnicodeString("Hello! how\r\n (are)\r you? I'am fine- Thankyou. foo\\u00a0bar How, are, you? This, costs $20,00,000.");     
    logln("(UnicodeString)testing line iter - String:- \"" + prettify(testString) + (UnicodeString)"\""); 
    RuleBasedBreakIterator* lineIter1=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createLineInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        lineIter1->setText(testString);

        p = lineIter1->first();
        if(p !=0 )
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of 0");
        q=lineIter1->next();
        doTest(testString, p, q, 7,  "Hello! ");
        p=q;
        p=q;
        q=lineIter1->next(4);
        doTest(testString, p, q, 20, "how\r\n (are)\r ");
        p=q;        
        q=lineIter1->next(-4);
        doTest(testString, p, q, 7, "how\r\n (are)\r ");
        p=q;
        q=lineIter1->next(6);
        doTest(testString, p, q, 30, "how\r\n (are)\r you? I'am ");
        p=q;
        q=lineIter1->next();
        doTest(testString, p, q, 36, "fine- ");
        p=q;
        q=lineIter1->next(2);
        doTest(testString, p, q, 54, "Thankyou. foo\\u00a0bar ");
        q=lineIter1->following(60);
        doTest(testString, 60, q, 64, "re, ");
        q=lineIter1->following(1);
        doTest(testString, 1, q, 7, "ello! ");
        q=lineIter1->following(10);
        doTest(testString, 10, q, 12,  "\r\n");
        q=lineIter1->following(20);
        doTest(testString, 20, q, 25, "you? ");  
        p=lineIter1->following(lineIter1->last());
        q=lineIter1->next(lineIter1->last());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: following()/next() at last position returned #" + 
                p + (UnicodeString)" and " + q + (UnicodeString)" instead of" + testString.length());
    }
    delete wordIter1;
    delete charIter1;
    delete sentIter1;
    delete lineIter1;
}

void RBBIAPITest::TestLastPreviousPreceding()
{
    int32_t p, q;
    UErrorCode status=U_ZERO_ERROR;
    UnicodeString testString="This is a word break. Isn't it? 2.25 dollars";
    logln((UnicodeString)"Testing last(),previous(), preceding() with custom rules");
    logln((UnicodeString)"testing word iteration for string \"" + prettify(testString) + (UnicodeString)"\"");

    RuleBasedBreakIterator *wordIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        wordIter1->setText(testString);
        p = wordIter1->last();
        if(p !=testString.length() ){
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of" + testString.length());
    }

    q=wordIter1->previous();
    doTest(testString, p, q, 37, "dollars");
    p=q;
    q=wordIter1->previous();
    doTest(testString, p, q, 36, " ");
    q=wordIter1->preceding(25);
    doTest(testString, 25, q, 22, "Isn");
    p=q;
    q=wordIter1->previous();
    doTest(testString, p, q, 21, " ");
    q=wordIter1->preceding(20);
    doTest(testString, 20, q, 15, "break");  
    p=wordIter1->preceding(wordIter1->first());
    if(p != RuleBasedBreakIterator::DONE)
        errln((UnicodeString)"ERROR: preceding()  at starting position returned #" + p + (UnicodeString)" instead of 0");

    }

    status=U_ZERO_ERROR;
    testString=CharsToUnicodeString("Write hindi here. \\u092d\\u093e\\u0930\\u0924 \\u0938\\u0941\\u0902\\u0926\\u0930 \\u0939\\u094c\\u0964");
    logln((UnicodeString)"testing character iteration for string \" " + prettify(testString) + (UnicodeString)"\" \n");


    RuleBasedBreakIterator *charIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        charIter1->setText(testString);
        p = charIter1->last();
        if(p != testString.length() )
            errln((UnicodeString)"ERROR: first() returned" + p + (UnicodeString)"instead of" + testString.length());
        q=charIter1->previous();
        doTest(testString, p, q, 31, "\\u0964");
        p=q;
        q=charIter1->previous();
        doTest(testString, p, q, 29, "\\u0939\\u094c");
        q=charIter1->preceding(26);
        doTest(testString, 26, q, 23, "\\u0938\\u0941\\u0902");
        q=charIter1->preceding(16);
        doTest(testString, 16, q, 15, "e");
        p=q;
        q=charIter1->previous();
        doTest(testString, p, q, 14, "r"); 
        charIter1->first();
        p=charIter1->previous();
        q=charIter1->preceding(charIter1->first());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: previous()/preceding() at starting position returned #" +
              p + (UnicodeString)" and " + q + (UnicodeString)" instead of 0\n");      

    }


    status=U_ZERO_ERROR;
    testString="Hello! how are you? I'am fine. Thankyou. How are you doing? This\n costs $20,00,000.";
    logln((UnicodeString)"testing sentence iter - String:- \"" + prettify(testString) + (UnicodeString)"\""); 


    RuleBasedBreakIterator* sentIter1=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createSentenceInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        sentIter1->setText(testString);
        p = sentIter1->last();
        if(p != testString.length() )
            errln((UnicodeString)"ERROR: last() returned" + p + (UnicodeString)"instead of " + testString.length());
        q=sentIter1->previous();
        q=sentIter1->previous();
        doTest(testString, p, q, 60, "This\n costs $20,00,000.");
        p=q;
        q=sentIter1->previous();
        doTest(testString, p, q, 41, "How are you doing? ");
        q=sentIter1->preceding(40);
        doTest(testString, 40, q, 31, "Thankyou.");
        q=sentIter1->preceding(25);
        doTest(testString, 25, q, 20, "I'am "); 
        sentIter1->first();
        p=sentIter1->previous();
        q=sentIter1->preceding(sentIter1->first());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: previous()/preceding() at starting position returned #" +
              p + (UnicodeString)" and " + q + (UnicodeString)" instead of 0\n");

    }

    status=U_ZERO_ERROR;
    testString="Hello! how are you? I'am fine. Thankyou. How are you doing? This\n costs $20,00,000.";
    logln((UnicodeString)"testing line iter - String:- \"" + prettify(testString) + (UnicodeString)"\""); 

    RuleBasedBreakIterator* lineIter1=(RuleBasedBreakIterator*)RuleBasedBreakIterator::createLineInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{
        lineIter1->setText(testString);
        p = lineIter1->last();
        q=lineIter1->previous();
        doTest(testString, p, q, 72, "$20,00,000.");
        p=q;
        q=lineIter1->previous();
        doTest(testString, p, q, 66, "costs ");
        q=lineIter1->preceding(40);
        doTest(testString, 40, q, 31, "Thankyou.");
        q=lineIter1->preceding(25);
        doTest(testString, 25, q, 20, "I'am "); 
        lineIter1->first();
        p=lineIter1->previous();
        q=lineIter1->preceding(sentIter1->first());
        if(p != RuleBasedBreakIterator::DONE || q != RuleBasedBreakIterator::DONE)
            errln((UnicodeString)"ERROR: previous()/preceding() at starting position returned #" + 
              p + (UnicodeString)" and " +  q + (UnicodeString)" instead of 0\n");

    }

    delete sentIter1;
    delete charIter1;
    delete wordIter1;
    delete lineIter1;
}


void RBBIAPITest::TestIsBoundary(){
    UErrorCode status=U_ZERO_ERROR;
    UnicodeString testString1=CharsToUnicodeString("Write here. \\u092d\\u093e\\u0930\\u0924 \\u0938\\u0941\\u0902\\u0926\\u0930 \\u0939\\u094c\\u0964");

    RuleBasedBreakIterator* charIter1 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createCharacterInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL: in construction");
    else{
         charIter1->setText(testString1);
         int32_t bounds1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 20, 21, 22, 23, 25, 26};
         doBoundaryTest(*charIter1, testString1, bounds1);
    }


    RuleBasedBreakIterator* wordIter2 = (RuleBasedBreakIterator*)RuleBasedBreakIterator::createWordInstance(Locale::getDefault(), status);
    if(U_FAILURE(status))
        errln("FAIL : in construction");
    else{  
        wordIter2->setText(testString1);
        int32_t bounds2[] = {0, 5, 6, 10, 11, 12, 16, 17, 22, 23, 25, 26};
        doBoundaryTest(*wordIter2, testString1, bounds2);
    }
    delete wordIter2;
    delete charIter1;
}


void RBBIAPITest::TestBuilder() {
     UnicodeString rulesString1 = "$Letters = [:L:];\n"
                                  "$Numbers = [:N:];\n"
                                  "$Letters+;\n"
                                  "$Numbers+;\n"
                                  "[^$Letters $Numbers];\n"
                                  "!.*;\n";
     UnicodeString testString1  = "abc123..abc";
                                // 01234567890
     int32_t bounds1[] = {0, 3, 6, 7, 8, 11};
     UErrorCode status=U_ZERO_ERROR;
     UParseError    parseError;
     
     RuleBasedBreakIterator *bi = new RuleBasedBreakIterator(rulesString1, parseError, status);
     if(U_FAILURE(status)) {
         errln("FAIL : in construction");
     } else {
         bi->setText(testString1);
         doBoundaryTest(*bi, testString1, bounds1);
     }
     delete bi;
}


//
//  TestQuoteGrouping
//       Single quotes within rules imply a grouping, so that a modifier
//       following the quoted text (* or +) applies to all of the quoted chars.
//
void RBBIAPITest::TestQuoteGrouping() {
     UnicodeString rulesString1 = "#Here comes the rule...\n"
                                  "'$@!'*;\n"   //  (\$\@\!)*
                                  ".;\n";

     UnicodeString testString1  = "$@!$@!X$@!!X";
                                // 0123456789012
     int32_t bounds1[] = {0, 6, 7, 10, 11, 12};
     UErrorCode status=U_ZERO_ERROR;
     UParseError    parseError;
     
     RuleBasedBreakIterator *bi = new RuleBasedBreakIterator(rulesString1, parseError, status);
     if(U_FAILURE(status)) {
         errln("FAIL : in construction");
     } else {
         bi->setText(testString1);
         doBoundaryTest(*bi, testString1, bounds1);
     }
     delete bi;
}

//
//  TestWordStatus
//      Test word break rule status constants.
//
void RBBIAPITest::TestWordStatus() {

     
     UnicodeString testString1 =   //                  Ideographic    Katakana       Hiragana
             CharsToUnicodeString("plain word 123.45 \\u9160\\u9161 \\u30a1\\u30a2 \\u3041\\u3094");
                                // 012345678901234567  8      9    0  1      2    3  4      5    6
     int32_t bounds1[] =     {     0,   5,6, 10,11, 17,18,  19,   20,21,         23,24,    25,  26};
     int32_t tag_lo[]  = {UBRK_WORD_NONE,     UBRK_WORD_LETTER, UBRK_WORD_NONE,    UBRK_WORD_LETTER,
                          UBRK_WORD_NONE,     UBRK_WORD_NUMBER, UBRK_WORD_NONE,
                          UBRK_WORD_IDEO,     UBRK_WORD_IDEO,   UBRK_WORD_NONE,
                          UBRK_WORD_KANA,     UBRK_WORD_NONE,   UBRK_WORD_KANA,    UBRK_WORD_KANA};

     int32_t tag_hi[]  = {UBRK_WORD_NONE_LIMIT, UBRK_WORD_LETTER_LIMIT, UBRK_WORD_NONE_LIMIT, UBRK_WORD_LETTER_LIMIT,
                          UBRK_WORD_NONE_LIMIT, UBRK_WORD_NUMBER_LIMIT, UBRK_WORD_NONE_LIMIT,
                          UBRK_WORD_IDEO_LIMIT, UBRK_WORD_IDEO_LIMIT,   UBRK_WORD_NONE_LIMIT,
                          UBRK_WORD_KANA_LIMIT, UBRK_WORD_NONE_LIMIT,   UBRK_WORD_KANA_LIMIT, UBRK_WORD_KANA_LIMIT};

     UErrorCode status=U_ZERO_ERROR;
     
     RuleBasedBreakIterator *bi = (RuleBasedBreakIterator *)BreakIterator::createWordInstance(Locale::getDefault(), status);
     if(U_FAILURE(status)) {
         errln("FAIL : in construction");
     } else {
         bi->setText(testString1);
         // First test that the breaks are in the right spots.
         doBoundaryTest(*bi, testString1, bounds1);

         // Then go back and check tag values
         int32_t i = 0;
         int32_t pos, tag;
         for (pos = bi->first(); pos != BreakIterator::DONE; pos = bi->next(), i++) {
             if (pos != bounds1[i]) {
                 errln("FAIL: unexpected word break at postion %d", pos);
                 break;
             }
             tag = bi->getRuleStatus();
             if (tag < tag_lo[i] || tag >= tag_hi[i]) {
                 errln("FAIL: incorrect tag value %d at position %d", tag, pos);
                 break;
             }
         }
     }
     delete bi;
}


//
//   Bug 2190 Regression test.   Builder crash on rule consisting of only a
//                               $variable reference
void RBBIAPITest::TestBug2190() {
     UnicodeString rulesString1 = "$aaa = abcd;\n"
                                  "$bbb = $aaa;\n"
                                  "$bbb;\n";
     UnicodeString testString1  = "abcdabcd";
                                // 01234567890
     int32_t bounds1[] = {0, 4, 8};
     UErrorCode status=U_ZERO_ERROR;
     UParseError    parseError;
     
     RuleBasedBreakIterator *bi = new RuleBasedBreakIterator(rulesString1, parseError, status);
     if(U_FAILURE(status)) {
         errln("FAIL : in construction");
     } else {
         bi->setText(testString1);
         doBoundaryTest(*bi, testString1, bounds1);
     }
     delete bi;
}


void RBBIAPITest::TestRegistration() {
  UErrorCode status = U_ZERO_ERROR;
  BreakIterator* thai_word = BreakIterator::createWordInstance("th_TH", status);

  // ok to not delete these if we exit because of error?
  BreakIterator* thai_char = BreakIterator::createCharacterInstance("th_TH", status);
  BreakIterator* root_word = BreakIterator::createWordInstance("", status);
  BreakIterator* root_char = BreakIterator::createCharacterInstance("", status);

  URegistryKey key = BreakIterator::registerInstance(thai_word, "xx", UBRK_WORD, status);
  {
    if (*thai_word == *root_word) {
      errln("thai not different from root");
    }
  }

  {
    BreakIterator* result = BreakIterator::createWordInstance("xx_XX", status);
    UBool fail = *result != *thai_word;
    delete result;
    if (fail) {
      errln("bad result for xx_XX/word");
    }
  }
  
  {
    BreakIterator* result = BreakIterator::createCharacterInstance("th_TH", status);
    UBool fail = *result != *thai_char;
    delete result;
    if (fail) {
      errln("bad result for th_TH/char");
    }
  }
  
  {
    BreakIterator* result = BreakIterator::createCharacterInstance("xx_XX", status);
    UBool fail = *result != *root_char;
    delete result;
    if (fail) {
      errln("bad result for xx_XX/char");
    }
  }
    
  {
    StringEnumeration* avail = BreakIterator::getAvailableLocales();
    UBool found = FALSE;
	const UnicodeString* p;
    while (p = avail->snext(status)) {
      if (p->compare("xx") == 0) {
	found = TRUE;
	break;
      }
    }
    delete avail;
    if (!found) {
      errln("did not find test locale");
    }
  }

  {
    UBool unreg = BreakIterator::unregister(key, status);
    if (!unreg) {
      errln("unable to unregister");
    }
  }

  {
    BreakIterator* result = BreakIterator::createWordInstance("xx", status);
    BreakIterator* root = BreakIterator::createWordInstance("", status);
    UBool fail = *root != *result;
    delete root;
    delete result;
    if (fail) {
      errln("did not get root break");
    }
  }

  {
    StringEnumeration* avail = BreakIterator::getAvailableLocales();
    UBool found = FALSE;
    const UnicodeString* p;
    while (p = avail->snext(status)) {
      if (p->compare("xx") == 0) {
	found = TRUE;
	break;
      }
    }
    delete avail;
    if (found) {
      errln("found test locale");
    }
  }

  // that_word was adopted by factory
  delete thai_char;
  delete root_word;
  delete root_char;
}

//---------------------------------------------
// runIndexedTest
//---------------------------------------------

void RBBIAPITest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
    if (exec) logln((UnicodeString)"TestSuite RuleBasedBreakIterator API ");
    switch (index) {
     //   case 0: name = "TestConstruction"; if (exec) TestConstruction(); break;
        case  0: name = "TestCloneEquals"; if (exec) TestCloneEquals(); break;
        case  1: name = "TestgetRules"; if (exec) TestgetRules(); break;
        case  2: name = "TestHashCode"; if (exec) TestHashCode(); break;
        case  3: name = "TestGetSetAdoptText"; if (exec) TestGetSetAdoptText(); break;
        case  4: name = "TestFirstNextFollowing"; if (exec) TestFirstNextFollowing(); break;
        case  5: name = "TestLastPreviousPreceding"; if (exec) TestLastPreviousPreceding(); break;
        case  6: name = "TestIsBoundary"; if (exec) TestIsBoundary(); break;
        case  7: name = "TestBuilder"; if (exec) TestBuilder(); break;
        case  8: name = "TestQuoteGrouping"; if (exec) TestQuoteGrouping(); break;
        case  9: name = "TestWordStatus"; if (exec) TestWordStatus(); break;
        case 10: name = "TestBug2190"; if (exec) TestBug2190(); break;
        case 11: name = "TestRegistration"; if (exec) TestRegistration(); break;
        case 12: name = "TestBoilerPlate"; if (exec) TestBoilerPlate(); break;

        default: name = ""; break; /*needed to end loop*/
    }
}

//---------------------------------------------
//Internal subroutines
//---------------------------------------------

void RBBIAPITest::doBoundaryTest(RuleBasedBreakIterator& bi, UnicodeString& text, int32_t *boundaries){
     logln((UnicodeString)"testIsBoundary():");
        int32_t p = 0;
        UBool isB;
        for (int32_t i = 0; i < text.length(); i++) {
            isB = bi.isBoundary(i);
            logln((UnicodeString)"bi.isBoundary(" + i + ") -> " + isB);

            if (i == boundaries[p]) {
                if (!isB)
                    errln((UnicodeString)"Wrong result from isBoundary() for " + i + (UnicodeString)": expected true, got false");
                p++;
            }
            else {
                if (isB)
                    errln((UnicodeString)"Wrong result from isBoundary() for " + i + (UnicodeString)": expected false, got true");
            }
        }
}
void RBBIAPITest::doTest(UnicodeString& testString, int32_t start, int32_t gotoffset, int32_t expectedOffset, const char* expectedString){
    UnicodeString selected;
    UnicodeString expected=CharsToUnicodeString(expectedString);

    if(gotoffset != expectedOffset)
         errln((UnicodeString)"ERROR:****returned #" + gotoffset + (UnicodeString)" instead of #" + expectedOffset);
    if(start <= gotoffset){
        testString.extractBetween(start, gotoffset, selected);  
    }
    else{
        testString.extractBetween(gotoffset, start, selected);
    }
    if(selected.compare(expected) != 0)
         errln(prettify((UnicodeString)"ERROR:****selected \"" + selected + "\" instead of \"" + expected + "\""));
    else
        logln(prettify("****selected \"" + selected + "\""));
}

#endif /* #if !UCONFIG_NO_BREAK_ITERATION */