/*****************************************************************************************
*                                                                                       *
* COPYRIGHT:                                                                            *
*   (C) Copyright International Business Machines Corporation,  2000                    *
*   Licensed Material - Program-Property of IBM - All Rights Reserved.                  *
*   US Government Users Restricted Rights - Use, duplication, or disclosure             *
*   restricted by GSA ADP Schedule Contract with IBM Corp.                              *
*                                                                                       *
*****************************************************************************************
************************************************************************
*   Date        Name        Description
*   03/20/2000   Madhu        Creation.
************************************************************************/

#include "ittrans.h"
#include "hajatrts.h"
#include "unicode/utypes.h"
#include "unicode/translit.h"
#include "unicode/hangjamo.h"
#include "unicode/unifilt.h"
#include "intltest.h"
#include "cmemory.h"
#include <stdio.h>
#include <string.h>
/*converts a Unicodestring to integer*/
static int32_t getInt(UnicodeString str)
{
  int32_t result = 0;
  int32_t len = str.length();
  int32_t i = 0;
  for(i=0; i<len; i++) {
    result = result*10+u_charDigitValue(str.char32At(i));
  }
  return result;
}
//---------------------------------------------
// runIndexedTest
//---------------------------------------------

void HangToJamoTransliteratorTest::runIndexedTest( int32_t index, UBool exec, const char* &name, char* /*par*/ )
{
    if (exec) logln((UnicodeString)"TestSuite HangToJamoul Transliterator API ");
    switch (index) {
     
        case 0: name = "TestConstruction"; if (exec) TestConstruction(); break;
        case 1: name = "TestCloneEqual"; if (exec) TestCloneEqual(); break;
        case 2: name = "TestSimpleTransliterate"; if (exec) TestSimpleTransliterate(); break;
        case 3: name = "TestTransliterate"; if (exec) TestTransliterate(); break;
        case 4: name = "TestTransliterate2"; if (exec) TestTransliterate2(); break;

        default: name = ""; break; /*needed to end loop*/
    }
}
/**
 * Used by TestConstruction() and TestTransliterate.
 */
class TestHangulFilter : public UnicodeFilter {
    virtual UnicodeFilter* clone() const {
        return new TestHangulFilter(*this);
    }
    virtual UBool contains(UChar c) const {
       if(c == 0xae4c )
          return FALSE;
       else
          return TRUE;
    }
};
void HangToJamoTransliteratorTest::TestConstruction(){
    logln("Testing the construction HangulJamoTransliterator()");
    HangulJamoTransliterator *trans1=new HangulJamoTransliterator();
    if(trans1 == 0){
        errln("HangulJamoTransliterator() construction failed.");
        return;
    }

    HangulJamoTransliterator *trans2=new HangulJamoTransliterator(new TestHangulFilter);
    if(trans2 == 0){
        errln("HangulJamoTransliterator(UnicodeFilter) construction failed.");
        return;
    }
    logln("Testing copy construction");
    HangulJamoTransliterator *trans2copy=new HangulJamoTransliterator(*trans2);
    if(trans2copy == 0){
        errln("HangulJamoTransliterator copy construction failed");
        delete trans2;
    }

    if(trans2copy->getID() != trans2->getID() ||
        trans2copy->getFilter() == NULL || 
        trans2copy->getFilter()->contains(0xae4c) != trans2->getFilter()->contains(0xae4c) ) {
        errln("Copy construction failed");
    }


    delete trans1;
    delete trans2copy;
    delete trans2;

}
void HangToJamoTransliteratorTest::TestCloneEqual(){
    logln("Testing the clone and =operator of HangulJamoTransliterator");
    HangulJamoTransliterator *trans1=new HangulJamoTransliterator();
    if(trans1 == 0){
        errln("HangulJamoTransliterator() construction failed.");
        return;
    }
    HangulJamoTransliterator *trans2=new HangulJamoTransliterator(new TestHangulFilter);
    if(trans2 == 0){
        errln("HangulJamoTransliterator(UnicodeFilter) construction failed.");
        return;
    }

    HangulJamoTransliterator *trans1equal=new HangulJamoTransliterator();
    HangulJamoTransliterator *trans2equal=new HangulJamoTransliterator();
    *trans1equal=*trans1;
    *trans2equal=*trans2;

    if(trans1equal == 0 || trans2equal==0 ){
        errln("=Operator failed");
        delete trans1;
        delete trans2;
        return;
    }
    if(trans1->getID() != trans1equal->getID() ||
        trans1equal->getFilter() != NULL   || 
        trans2->getID() != trans2equal->getID() ||
        trans2equal->getFilter() == NULL  ||
        trans2equal->getFilter()->contains(0xae4c) != trans2->getFilter()->contains(0xae4c) ) {
        errln("=Operator failed");
    }


    HangulJamoTransliterator *trans1clone=(HangulJamoTransliterator*)trans1->clone();
    HangulJamoTransliterator *trans2clone=(HangulJamoTransliterator*)trans2->clone();
    if(trans1clone == 0 || trans2clone==0 ){
        errln("clone() failed");
        delete trans1;
        delete trans2;
        return;
    }
    if(trans1->getID() != trans1clone->getID() ||
        trans1clone->getFilter() != NULL   || 
        trans2->getID() != trans2clone->getID() ||
        trans2clone->getFilter() == NULL  ||
        trans2clone->getFilter()->contains(0x1101) != trans2->getFilter()->contains(0x1101) ) {
        errln("=Operator failed");
    }

    delete trans1;
    delete trans2;
}

void HangToJamoTransliteratorTest::TestSimpleTransliterate(){
    logln("Testing the handleTransliterate() API of HangulJamoTransliterator()");
    HangulJamoTransliterator *trans1=new HangulJamoTransliterator();
    if(trans1==0){
        errln("HangulJamoTransliterator construction failed");
        return;
    }
    UChar src[]={ 0xae4c, 0xc139, 0xc54a, 0xc694, 0}; 
    UnicodeString source(src);
    UnicodeString expected(CharsToUnicodeString("\\u1101\\u1161\\u1109\\u1166\\u11a8\\u110b\\u1161\\u11ad\\u110b\\u116d"));
    expect(*trans1, "", source, expected);

    HangulJamoTransliterator *trans2=new HangulJamoTransliterator(new TestHangulFilter);
    if(trans2==0){
        errln("HangulJamoTransliterator(UnicodeFilter) construction failed");
        return;
    }
    expect(*trans2, " with Filter(0xae4c) ",  source, CharsToUnicodeString("\\uae4c\\u1109\\u1166\\u11a8\\u110b\\u1161\\u11ad\\u110b\\u116d"));


}
void HangToJamoTransliteratorTest::TestTransliterate2(){
    logln("Testing the handleTransliterate() API HangulJamoTransliterator()");
    HangulJamoTransliterator *trans1=new HangulJamoTransliterator();
    if(trans1==0){
        errln("HangulJamoTransliterator construction failed");
        return;
    }
    UnicodeString source, expected, temp;
    UChar choseong=0x1100;
    UChar jungseong=0x1161;
    UChar jongseong=0x11a8;
    for(UChar c=0xac01;c<0xacff;++c){
        source.append(c);
        expected.append(choseong);
        if(jongseong > 0x11c2){
            jongseong=0x11a8;
            jungseong++;
            expected.append(jungseong);
        }
        else {
            expected.append(jungseong);
            expected.append(jongseong++);
        }
        expect(*trans1, "",  source, expected);
        source.remove();
        expected.remove();

    }


}
void HangToJamoTransliteratorTest::TestTransliterate(){
    UnicodeString Data[]={
    // source, index.contextStart, index.contextLimit, index.start, expectedResult, expectedResult using Filter(TestHangulFilter)
        CharsToUnicodeString("\\u1100\\uae4c\\ub098"), "1", "3", "1", 
            CharsToUnicodeString("\\u1100\\u1101\\u1161\\u1102\\u1161"), CharsToUnicodeString("\\u1100\\uae4c\\u1102\\u1161"),
        CharsToUnicodeString("\\uc5ec\\u1101"), "0", "1", "0", 
            CharsToUnicodeString("\\u110b\\u1167\\u1101"), CharsToUnicodeString("\\u110b\\u1167\\u1101"),
        CharsToUnicodeString("\\uc5ec\\uae4c"), "0", "2", "0",  
            CharsToUnicodeString("\\u110b\\u1167\\u1101\\u1161"), CharsToUnicodeString("\\u110b\\u1167\\uae4c"),


    };
    int i;
    HangulJamoTransliterator *trans1=new HangulJamoTransliterator();
    if(trans1 == 0){
        errln("HangulJamoTransliterator construction failed");
        return;
    }
    HangulJamoTransliterator *trans2=new HangulJamoTransliterator(new TestHangulFilter);
    if(trans2 == 0){
        errln("HangulJamoTransliterator(UnicodeFilter) construction failed");
        return;
    }
    for(i=0;i<sizeof(Data)/sizeof(Data[0]);i=i+6){
        expectTranslit(*trans1, ":", Data[i+0], getInt(Data[i+1]), getInt(Data[i+2]), getInt(Data[i+3]), Data[i+4] );
        expectTranslit(*trans2, " with Filter(0xae4c):", Data[i+0], getInt(Data[i+1]), getInt(Data[i+2]), getInt(Data[i+3]), Data[i+5] );

    }
    delete trans1;
    delete trans2;

}
//======================================================================
// Support methods
//======================================================================

void HangToJamoTransliteratorTest::expectTranslit(const HangulJamoTransliterator& t,
                                                  const UnicodeString& message,
                                                  const UnicodeString& source, 
                                                  int32_t start, int32_t limit, int32_t cursor,
                                                  const UnicodeString& expectedResult){


    UTransPosition index;
    index.contextStart=start;
    index.contextLimit = limit;
    index.start = cursor;
    index.limit = limit;
    UnicodeString rsource(source);
    t.handleTransliterate(rsource, index, FALSE);
    expectAux(t.getID() + ":handleTransliterator(increment=FALSE) " + message, source + "-->" + rsource, rsource==expectedResult, expectedResult);

    UnicodeString rsource2(source);
    UTransPosition _index;
    _index.contextStart= start;
    _index.contextLimit = limit;
    _index.start = cursor;
    _index.limit = limit;
    uprv_memcpy(&index, &_index, sizeof(index));
    t.handleTransliterate(rsource2, index, TRUE);
    expectAux(t.getID() + ":handleTransliterator(increment=TRUE) " + message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);

    /*ceates a copy constructor and checks the transliteration*/
    HangulJamoTransliterator *copy=new HangulJamoTransliterator(t);
    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    copy->handleTransliterate(rsource2, index, FALSE);
    expectAux(t.getID() + "COPY:handleTransliterator(increment=FALSE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);

    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    copy->handleTransliterate(rsource2, index, TRUE);
    expectAux(t.getID() + "COPY:handleTransliterator(increment=TRUE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);
    delete copy;

    /*creates a clone and tests transliteration*/
    HangulJamoTransliterator *clone=(HangulJamoTransliterator*)t.clone();
    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    clone->handleTransliterate(rsource2, index, FALSE);
    expectAux(t.getID() + "CLONE:handleTransliterator(increment=FALSE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);

    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    clone->handleTransliterate(rsource2, index, TRUE);
    expectAux(t.getID() + "CLONE:handleTransliterator(increment=TRUE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);

    /*Uses the assignment operator to create a transliterator and tests transliteration*/
    HangulJamoTransliterator equal=t;
    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    equal.handleTransliterate(rsource2, index, FALSE);
    expectAux(t.getID() + "=OPERATOR:handleTransliterator(increment=FALSE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);

    rsource2.remove();
    rsource2.append(source);
    uprv_memcpy(&index, &_index, sizeof(index));
    equal.handleTransliterate(rsource2, index, TRUE);
    expectAux(t.getID() + "=OPERATOR:handleTransliterator(increment=TRUE) "+ message, source + "-->" + rsource2, rsource2==expectedResult, expectedResult);
    delete clone;

}
void HangToJamoTransliteratorTest::expect(const HangulJamoTransliterator& t,
                                const UnicodeString& message,
                                const UnicodeString& source,
                                const UnicodeString& expectedResult) {
   
    UnicodeString rsource(source);
    t.transliterate(rsource);
    expectAux(t.getID() + ":Replaceable " + message, source + "->" + rsource, rsource==expectedResult, expectedResult);

    // Test handleTransliterate (incremental) transliteration -- 
    rsource.remove();
    rsource.append(source);
    UTransPosition index;
    index.contextStart =0;
    index.contextLimit=source.length();
    index.start=0;
    index.limit=source.length();
    t.handleTransliterate(rsource, index, TRUE);
    expectAux(t.getID() + ":handleTransliterate " + message, source + "->" + rsource, rsource==expectedResult, expectedResult);

}
void HangToJamoTransliteratorTest::expectAux(const UnicodeString& tag,
                                   const UnicodeString& summary, UBool pass,
                                   const UnicodeString& expectedResult) {
    if (pass) {
        logln(UnicodeString("(")+tag+") " + prettify(summary));
    } else {
        errln(UnicodeString("FAIL: (")+tag+") "
              + prettify(summary)
              + ", expected " + prettify(expectedResult));
    }
}