/********************************************************************
 * COPYRIGHT:
 * Copyright (c) 2001-2006, International Business Machines Corporation and
 * others. All Rights Reserved.
 ********************************************************************/
/********************************************************************************
*
* File custrtrn.C
*
* Modification History:
*        Name                     Description
*        Ram                      String transformations test
*********************************************************************************
*/
/****************************************************************************/


#include <stdlib.h>
#include <stdio.h>
#include "unicode/utypes.h"
#include "unicode/ustring.h"
#include "unicode/ures.h"
#include "ustr_imp.h"
#include "cintltst.h"
#include "cmemory.h"
#include "cstring.h"
#include "cwchar.h"

#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0]))

void addUCharTransformTest(TestNode** root);

static void Test_UChar_UTF32_API(void);
static void Test_UChar_UTF8_API(void);
static void Test_FromUTF8Lenient(void);
static void Test_UChar_WCHART_API(void);
static void Test_widestrs(void);
static void Test_WCHART_LongString(void);

void 
addUCharTransformTest(TestNode** root)
{
   addTest(root, &Test_UChar_UTF32_API, "custrtrn/Test_UChar_UTF32_API");
   addTest(root, &Test_UChar_UTF8_API, "custrtrn/Test_UChar_UTF8_API");
   addTest(root, &Test_FromUTF8Lenient, "custrtrn/Test_FromUTF8Lenient");
   addTest(root, &Test_UChar_WCHART_API,  "custrtrn/Test_UChar_WCHART_API");
   addTest(root, &Test_widestrs,  "custrtrn/Test_widestrs");
   addTest(root, &Test_WCHART_LongString, "custrtrn/Test_WCHART_LongString");
}

static const UChar32 src32[]={
    0x00A8, 0x3003, 0x3005, 0x2015, 0xFF5E, 0x2016, 0x2026, 0x2018, 0x000D, 0x000A,
    0x2019, 0x201C, 0x201D, 0x3014, 0x3015, 0x3008, 0x3009, 0x300A, 0x000D, 0x000A,
    0x300B, 0x300C, 0x300D, 0x300E, 0x300F, 0x3016, 0x3017, 0x3010, 0x000D, 0x000A,
    0x3011, 0x00B1, 0x00D7, 0x00F7, 0x2236, 0x2227, 0x7FC1, 0x8956, 0x000D, 0x000A,
    0x9D2C, 0x9D0E, 0x9EC4, 0x5CA1, 0x6C96, 0x837B, 0x5104, 0x5C4B, 0x000D, 0x000A,
    0x61B6, 0x81C6, 0x6876, 0x7261, 0x4E59, 0x4FFA, 0x5378, 0x57F7, 0x000D, 0x000A,
    0x57F4, 0x57F9, 0x57FA, 0x57FC, 0x5800, 0x5802, 0x5805, 0x5806, 0x000D, 0x000A,
    0x580A, 0x581E, 0x6BB5, 0x6BB7, 0x6BBA, 0x6BBC, 0x9CE2, 0x977C, 0x000D, 0x000A,
    0x6BBF, 0x6BC1, 0x6BC5, 0x6BC6, 0x6BCB, 0x6BCD, 0x6BCF, 0x6BD2, 0x000D, 0x000A,
    0x6BD3, 0x6BD4, 0x6BD6, 0x6BD7, 0x6BD8, 0x6BDB, 0x6BEB, 0x6BEC, 0x000D, 0x000A,
    0x6C05, 0x6C08, 0x6C0F, 0x6C11, 0x6C13, 0x6C23, 0x6C34, 0x0041, 0x000D, 0x000A,
    0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004A, 0x000D, 0x000A,
    0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 0x000D, 0x000A,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A, 0x000D, 0x000A,
    0x005B, 0x9792, 0x9CCC, 0x9CCD, 0x9CCE, 0x9CCF, 0x9CD0, 0x9CD3, 0x000D, 0x000A,
    0x9CD4, 0x9CD5, 0x9CD7, 0x9CD8, 0x9CD9, 0x9CDC, 0x9CDD, 0x9CDF, 0x000D, 0x000A,
    0x9785, 0x9791, 0x00BD, 0x0390, 0x0385, 0x0386, 0x0388, 0x0389, 0x000D, 0x000A,
    0x038E, 0x038F, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x000D, 0x000A,
    0x0396, 0x0397, 0x0398, 0x0399, 0x039A, 0x038A, 0x038C, 0x039C, 0x000D, 0x000A,
    /* test non-BMP code points */
    0x0002A699,
    0x0002A69C, 0x0002A69D, 0x0002A69E, 0x0002A69F, 0x0002A6A0, 0x0002A6A5, 0x0002A6A6, 0x0002A6A7, 0x0002A6A8, 0x0002A6AB,
    0x0002A6AC, 0x0002A6AD, 0x0002A6AE, 0x0002A6AF, 0x0002A6B0, 0x0002A6B1, 0x0002A6B3, 0x0002A6B5, 0x0002A6B6, 0x0002A6B7,
    0x0002A6B8, 0x0002A6B9, 0x0002A6BA, 0x0002A6BB, 0x0002A6BC, 0x0002A6BD, 0x0002A6BE, 0x0002A6BF, 0x0002A6C0, 0x0002A6C1,
    0x0002A6C2, 0x0002A6C3, 0x0002A6C4, 0x0002A6C8, 0x0002A6CA, 0x0002A6CB, 0x0002A6CD, 0x0002A6CE, 0x0002A6CF, 0x0002A6D0,
    0x0002A6D1, 0x0002A6D2, 0x0002A6D3, 0x0002A6D4, 0x0002A6D5,

    0x4DB3, 0x4DB4, 0x4DB5, 0x4E00, 0x4E00, 0x4E01, 0x4E02, 0x4E03, 0x000D, 0x000A,
    0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x33E0, 0x33E6, 0x000D, 0x000A,
    0x4E05, 0x4E07, 0x4E04, 0x4E08, 0x4E08, 0x4E09, 0x4E0A, 0x4E0B, 0x000D, 0x000A,
    0x4E0C, 0x0021, 0x0022, 0x0023, 0x0024, 0xFF40, 0xFF41, 0xFF42, 0x000D, 0x000A,
    0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0x000D, 0x000A,0x0000 
};

static const UChar src16[] = {
    0x00A8, 0x3003, 0x3005, 0x2015, 0xFF5E, 0x2016, 0x2026, 0x2018, 0x000D, 0x000A,
    0x2019, 0x201C, 0x201D, 0x3014, 0x3015, 0x3008, 0x3009, 0x300A, 0x000D, 0x000A,
    0x300B, 0x300C, 0x300D, 0x300E, 0x300F, 0x3016, 0x3017, 0x3010, 0x000D, 0x000A,
    0x3011, 0x00B1, 0x00D7, 0x00F7, 0x2236, 0x2227, 0x7FC1, 0x8956, 0x000D, 0x000A,
    0x9D2C, 0x9D0E, 0x9EC4, 0x5CA1, 0x6C96, 0x837B, 0x5104, 0x5C4B, 0x000D, 0x000A,
    0x61B6, 0x81C6, 0x6876, 0x7261, 0x4E59, 0x4FFA, 0x5378, 0x57F7, 0x000D, 0x000A,
    0x57F4, 0x57F9, 0x57FA, 0x57FC, 0x5800, 0x5802, 0x5805, 0x5806, 0x000D, 0x000A,
    0x580A, 0x581E, 0x6BB5, 0x6BB7, 0x6BBA, 0x6BBC, 0x9CE2, 0x977C, 0x000D, 0x000A,
    0x6BBF, 0x6BC1, 0x6BC5, 0x6BC6, 0x6BCB, 0x6BCD, 0x6BCF, 0x6BD2, 0x000D, 0x000A,
    0x6BD3, 0x6BD4, 0x6BD6, 0x6BD7, 0x6BD8, 0x6BDB, 0x6BEB, 0x6BEC, 0x000D, 0x000A,
    0x6C05, 0x6C08, 0x6C0F, 0x6C11, 0x6C13, 0x6C23, 0x6C34, 0x0041, 0x000D, 0x000A,
    0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004A, 0x000D, 0x000A,
    0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 0x000D, 0x000A,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A, 0x000D, 0x000A,
    0x005B, 0x9792, 0x9CCC, 0x9CCD, 0x9CCE, 0x9CCF, 0x9CD0, 0x9CD3, 0x000D, 0x000A,
    0x9CD4, 0x9CD5, 0x9CD7, 0x9CD8, 0x9CD9, 0x9CDC, 0x9CDD, 0x9CDF, 0x000D, 0x000A,
    0x9785, 0x9791, 0x00BD, 0x0390, 0x0385, 0x0386, 0x0388, 0x0389, 0x000D, 0x000A,
    0x038E, 0x038F, 0x0390, 0x0391, 0x0392, 0x0393, 0x0394, 0x0395, 0x000D, 0x000A,
    0x0396, 0x0397, 0x0398, 0x0399, 0x039A, 0x038A, 0x038C, 0x039C, 0x000D, 0x000A,
    
    /* test non-BMP code points */ 
    0xD869, 0xDE99, 0xD869, 0xDE9C, 0xD869, 0xDE9D, 0xD869, 0xDE9E, 0xD869, 0xDE9F, 
    0xD869, 0xDEA0, 0xD869, 0xDEA5, 0xD869, 0xDEA6, 0xD869, 0xDEA7, 0xD869, 0xDEA8, 
    0xD869, 0xDEAB, 0xD869, 0xDEAC, 0xD869, 0xDEAD, 0xD869, 0xDEAE, 0xD869, 0xDEAF,
    0xD869, 0xDEB0, 0xD869, 0xDEB1, 0xD869, 0xDEB3, 0xD869, 0xDEB5, 0xD869, 0xDEB6, 
    0xD869, 0xDEB7, 0xD869, 0xDEB8, 0xD869, 0xDEB9, 0xD869, 0xDEBA, 0xD869, 0xDEBB, 
    0xD869, 0xDEBC, 0xD869, 0xDEBD, 0xD869, 0xDEBE, 0xD869, 0xDEBF, 0xD869, 0xDEC0, 
    0xD869, 0xDEC1, 0xD869, 0xDEC2, 0xD869, 0xDEC3, 0xD869, 0xDEC4, 0xD869, 0xDEC8, 
    0xD869, 0xDECA, 0xD869, 0xDECB, 0xD869, 0xDECD, 0xD869, 0xDECE, 0xD869, 0xDECF, 
    0xD869, 0xDED0, 0xD869, 0xDED1, 0xD869, 0xDED2, 0xD869, 0xDED3, 0xD869, 0xDED4, 
    0xD869, 0xDED5,  

    0x4DB3, 0x4DB4, 0x4DB5, 0x4E00, 0x4E00, 0x4E01, 0x4E02, 0x4E03, 0x000D, 0x000A,
    0x0392, 0x0393, 0x0394, 0x0395, 0x0396, 0x0397, 0x33E0, 0x33E6, 0x000D, 0x000A,
    0x4E05, 0x4E07, 0x4E04, 0x4E08, 0x4E08, 0x4E09, 0x4E0A, 0x4E0B, 0x000D, 0x000A,
    0x4E0C, 0x0021, 0x0022, 0x0023, 0x0024, 0xFF40, 0xFF41, 0xFF42, 0x000D, 0x000A,
    0xFF43, 0xFF44, 0xFF45, 0xFF46, 0xFF47, 0xFF48, 0xFF49, 0xFF4A, 0x000D, 0x000A,0x0000 
};


static void Test_UChar_UTF32_API(void){

    UErrorCode err = U_ZERO_ERROR;
    UChar uTemp[1];
    UChar32 u32Temp[1];
    UChar* uTarget=uTemp;
    const UChar32* u32Src = src32;
    int32_t u32SrcLen = sizeof(src32)/4;
    int32_t uTargetLength = 0;
    int32_t uDestLen=0;
    const UChar* uSrc = src16;
    int32_t uSrcLen   = sizeof(src16)/2;
    UChar32* u32Target = u32Temp;
    uint32_t u32TargetLength =0;
    int32_t u32DestLen =0;
    UBool failed = FALSE;
    int i= 0;
    {
        /* preflight */
        u_strToUTF32(u32Target,u32TargetLength, &u32DestLen, uSrc, uSrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR; 
            u32Target = (UChar32*) malloc (sizeof(uint32_t) * (u32DestLen+1));
            u32TargetLength = u32DestLen+1;
        
            u_strToUTF32(u32Target,u32TargetLength, &u32DestLen, uSrc, uSrcLen,&err);
        }
        else {
            log_err("Should have gotten U_BUFFER_OVERFLOW_ERROR");
        }
        failed = FALSE;
        /*for(i=0; i< u32DestLen; i++){
            printf("0x%08X, ",uTarget[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/
        for(i=0; i< u32SrcLen; i++){
            if(u32Target[i] != src32[i]){
                log_verbose("u_strToUTF32() failed expected: \\U%08X got: \\U%08X at index: %i \n", src32[i], u32Target[i],i);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF32() failed \n");
        }

        /* preflight */
        u_strFromUTF32(uTarget,uTargetLength,&uDestLen,u32Src,u32SrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR; 
            uTarget = (UChar*) malloc( sizeof(UChar) * (uDestLen+1));
            uTargetLength =  uDestLen+1;
            u_strFromUTF32(uTarget,uTargetLength,&uDestLen,u32Src,u32SrcLen,&err);

        }
        /*for(i=0; i< uDestLen; i++){
            printf("0x%04X, ",uTarget[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/
        
        for(i=0; i< uDestLen; i++){
            if(uTarget[i] != src16[i]){
                log_verbose("u_strFromUTF32() failed expected: \\U%08X got: \\U%08X at index: %i \n", src16[i] ,uTarget[i],i);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF32() failed \n");
        }

        free(u32Target);
        free(uTarget);
    }
    {
        u32SrcLen = -1;
        uTargetLength = 0;
        uSrcLen =-1;
        u32TargetLength=0;
        failed = FALSE;

       /* preflight */
        u_strToUTF32(NULL,u32TargetLength, &u32DestLen, uSrc, uSrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR; 
            u32Target = (UChar32*) malloc (sizeof(uint32_t) * (u32DestLen+1));
            u32TargetLength = u32DestLen+1;
        
            u_strToUTF32(u32Target,u32TargetLength, &u32DestLen, uSrc, uSrcLen,&err);
        }
        else {
            log_err("Should have gotten U_BUFFER_OVERFLOW_ERROR");
        }
        failed = FALSE;

        for(i=0; i< u32SrcLen; i++){
            if(u32Target[i] != src32[i]){
                log_verbose("u_strToUTF32() failed expected: \\U%08X got: \\U%08X \n", src32[i], u32Target[i]);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF32() failed \n");
        }

        /* preflight */
        u_strFromUTF32(NULL,uTargetLength,&uDestLen,u32Src,u32SrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR; 
            uTarget = (UChar*) malloc( sizeof(UChar) * (uDestLen+1));
            uTargetLength =  uDestLen+1;
            u_strFromUTF32(uTarget,uTargetLength,&uDestLen,u32Src,u32SrcLen,&err);

        }
        
        for(i=0; i< uDestLen; i++){
            if(uTarget[i] != src16[i]){
                log_verbose("u_strFromUTF32() failed expected: \\U%08X got: \\U%08X \n", src16[i] ,uTarget[i]);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF32() failed \n");
        }

        free(u32Target);
        free(uTarget);
    }
}


static void Test_UChar_UTF8_API(void){

    UErrorCode err = U_ZERO_ERROR;
    UChar uTemp[1];
    char u8Temp[1];
    UChar* uTarget=uTemp;
    const char* u8Src;
    int32_t u8SrcLen = 0;
    int32_t uTargetLength = 0;
    int32_t uDestLen=0;
    const UChar* uSrc = src16;
    int32_t uSrcLen   = sizeof(src16)/2;
    char* u8Target = u8Temp;
    int32_t u8TargetLength =0;
    int32_t u8DestLen =0;
    UBool failed = FALSE;
    int i= 0;
    int32_t numSubstitutions;

    {
        /* preflight */
        u8Temp[0] = 0x12;
        u_strToUTF8(u8Target,u8TargetLength, &u8DestLen, uSrc, uSrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR && u8Temp[0] == 0x12){
            err = U_ZERO_ERROR;       
            u8Target = (char*) malloc (sizeof(uint8_t) * (u8DestLen+1));
            u8TargetLength = u8DestLen;

            u8Target[u8TargetLength] = 0xfe;
            u8DestLen = -1;
            u_strToUTF8(u8Target,u8TargetLength, &u8DestLen, uSrc, uSrcLen,&err);
            if(U_FAILURE(err) || u8DestLen != u8TargetLength || u8Target[u8TargetLength] != (char)0xfe){
                log_err("u_strToUTF8 failed after preflight. Error: %s\n", u_errorName(err));
                return;
            }

        }
        else {
            log_err("Should have gotten U_BUFFER_OVERFLOW_ERROR");
        }
        failed = FALSE;
        /*for(i=0; i< u8DestLen; i++){
            printf("0x%04X, ",u8Target[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/
        /*for(i=0; i< u8DestLen; i++){
            if(u8Target[i] != src8[i]){
                log_verbose("u_strToUTF8() failed expected: \\U%08X got: \\U%08X \n", src8[i], u8Target[i]);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF8() failed \n");
        }*/
        u8Src = u8Target;
        u8SrcLen = u8DestLen;

        /* preflight */
        uTemp[0] = 0x1234;
        u_strFromUTF8(uTarget,uTargetLength,&uDestLen,u8Src,u8SrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR && uTemp[0] == 0x1234){
            err = U_ZERO_ERROR;
            uTarget = (UChar*) malloc( sizeof(UChar) * (uDestLen+1));
            uTargetLength =  uDestLen;

            uTarget[uTargetLength] = 0xfff0;
            uDestLen = -1;
            u_strFromUTF8(uTarget,uTargetLength,&uDestLen,u8Src,u8SrcLen,&err);
        }
        else {
            log_err("error: u_strFromUTF8(preflight) should have gotten U_BUFFER_OVERFLOW_ERROR\n");
        }
        /*for(i=0; i< uDestLen; i++){
            printf("0x%04X, ",uTarget[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/

        if(U_FAILURE(err) || uDestLen != uTargetLength || uTarget[uTargetLength] != 0xfff0) {
            failed = TRUE;
        }
        for(i=0; i< uSrcLen; i++){
            if(uTarget[i] != src16[i]){
                log_verbose("u_strFromUTF8() failed expected: \\u%04X got: \\u%04X at index: %i \n", src16[i] ,uTarget[i],i);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("error: u_strFromUTF8(after preflighting) failed\n");
        }

        free(u8Target);
        free(uTarget);
    }
    {
        u8SrcLen = -1;
        uTargetLength = 0;
        uSrcLen =-1;
        u8TargetLength=0;
        failed = FALSE;
        /* preflight */
        u_strToUTF8(NULL,u8TargetLength, &u8DestLen, uSrc, uSrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR;       
            u8Target = (char*) malloc (sizeof(uint8_t) * (u8DestLen+1));
            u8TargetLength = u8DestLen;
        
            u_strToUTF8(u8Target,u8TargetLength, &u8DestLen, uSrc, uSrcLen,&err);

        }
        else {
            log_err("Should have gotten U_BUFFER_OVERFLOW_ERROR");
        }
        failed = FALSE;
        /*for(i=0; i< u8DestLen; i++){
            printf("0x%04X, ",u8Target[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/
        /*for(i=0; i< u8DestLen; i++){
            if(u8Target[i] != src8[i]){
                log_verbose("u_strToUTF8() failed expected: \\U%08X got: \\U%08X \n", src8[i], u8Target[i]);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF8() failed \n");
        }*/
        u8Src = u8Target;
        u8SrcLen = u8DestLen;

        /* preflight */
        u_strFromUTF8(NULL,uTargetLength,&uDestLen,u8Src,u8SrcLen,&err);
        if(err == U_BUFFER_OVERFLOW_ERROR){
            err = U_ZERO_ERROR;
            uTarget = (UChar*) malloc( sizeof(UChar) * (uDestLen+1));
            uTargetLength =  uDestLen;

            u_strFromUTF8(uTarget,uTargetLength,&uDestLen,u8Src,u8SrcLen,&err);
        }
        else {
            log_err("Should have gotten U_BUFFER_OVERFLOW_ERROR");
        }
        /*for(i=0; i< uDestLen; i++){
            printf("0x%04X, ",uTarget[i]);
            if(i%10==0){
                printf("\n");
            }
        }*/
        
        for(i=0; i< uSrcLen; i++){
            if(uTarget[i] != src16[i]){
                log_verbose("u_strFromUTF8() failed expected: \\u%04X got: \\u%04X at index: %i \n", src16[i] ,uTarget[i],i);
                failed =TRUE;
            }
        }
        if(failed){
            log_err("u_strToUTF8() failed \n");
        }

        free(u8Target);
        free(uTarget);
    }

    /* test UTF-8 with single surrogates - illegal in Unicode 3.2 */
    {
        static const UChar
            withLead16[]={ 0x1800, 0xd89a, 0x0061 },
            withTrail16[]={ 0x1800, 0xdcba, 0x0061, 0 },
            withTrail16SubFFFD[]={ 0x1800, 0xfffd, 0x0061, 0 }, /* sub==U+FFFD */
            withTrail16Sub50005[]={ 0x1800, 0xd900, 0xdc05, 0x0061, 0 }; /* sub==U+50005 */
        static const uint8_t
            withLead8[]={ 0xe1, 0xa0, 0x80, 0xed, 0xa2, 0x9a, 0x61 },
            withTrail8[]={ 0xe1, 0xa0, 0x80, 0xed, 0xb2, 0xba, 0x61, 0 },
            withTrail8Sub1A[]={ 0xe1, 0xa0, 0x80, 0x1a, 0x61, 0 }, /* sub==U+001A */
            withTrail8SubFFFD[]={ 0xe1, 0xa0, 0x80, 0xef, 0xbf, 0xbd, 0x61, 0 }; /* sub==U+FFFD */
        UChar out16[10];
        char out8[10];

        if(
            (err=U_ZERO_ERROR, u_strToUTF8(out8, LENGTHOF(out8), NULL, withLead16, LENGTHOF(withLead16), &err), err!=U_INVALID_CHAR_FOUND) ||
            (err=U_ZERO_ERROR, u_strToUTF8(out8, LENGTHOF(out8), NULL, withTrail16, -1, &err), err!=U_INVALID_CHAR_FOUND) ||
            (err=U_ZERO_ERROR, u_strFromUTF8(out16, LENGTHOF(out16), NULL, (const char *)withLead8, LENGTHOF(withLead8), &err), err!=U_INVALID_CHAR_FOUND) ||
            (err=U_ZERO_ERROR, u_strFromUTF8(out16, LENGTHOF(out16), NULL, (const char *)withTrail8, -1, &err), err!=U_INVALID_CHAR_FOUND)
        ) {
            log_err("error: u_strTo/FromUTF8(string with single surrogate) fails to report error\n");
        }

        /* test error handling with substitution characters */

        /* from UTF-8 with length */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out16[0]=0x55aa;
        uDestLen=0;
        u_strFromUTF8WithSub(out16, LENGTHOF(out16), &uDestLen,
                             (const char *)withTrail8, uprv_strlen((const char *)withTrail8),
                             0x50005, &numSubstitutions,
                             &err);
        if(U_FAILURE(err) || uDestLen!=u_strlen(withTrail16Sub50005) ||
                             0!=u_memcmp(withTrail16Sub50005, out16, uDestLen+1) ||
                             numSubstitutions!=1) {
            log_err("error: u_strFromUTF8WithSub(length) failed\n");
        }

        /* from UTF-8 with NUL termination */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out16[0]=0x55aa;
        uDestLen=0;
        u_strFromUTF8WithSub(out16, LENGTHOF(out16), &uDestLen,
                             (const char *)withTrail8, -1,
                             0xfffd, &numSubstitutions,
                             &err);
        if(U_FAILURE(err) || uDestLen!=u_strlen(withTrail16SubFFFD) ||
                             0!=u_memcmp(withTrail16SubFFFD, out16, uDestLen+1) ||
                             numSubstitutions!=1) {
            log_err("error: u_strFromUTF8WithSub(NUL termination) failed\n");
        }

        /* preflight from UTF-8 with NUL termination */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out16[0]=0x55aa;
        uDestLen=0;
        u_strFromUTF8WithSub(out16, 1, &uDestLen,
                             (const char *)withTrail8, -1,
                             0x50005, &numSubstitutions,
                             &err);
        if(err!=U_BUFFER_OVERFLOW_ERROR || uDestLen!=u_strlen(withTrail16Sub50005) || numSubstitutions!=1) {
            log_err("error: u_strFromUTF8WithSub(preflight/NUL termination) failed\n");
        }

        /* to UTF-8 with length */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out8[0]=0xf5;
        u8DestLen=0;
        u_strToUTF8WithSub(out8, LENGTHOF(out8), &u8DestLen,
                           withTrail16, u_strlen(withTrail16),
                           0xfffd, &numSubstitutions,
                           &err);
        if(U_FAILURE(err) || u8DestLen!=uprv_strlen((const char *)withTrail8SubFFFD) ||
                             0!=uprv_memcmp((const char *)withTrail8SubFFFD, out8, u8DestLen+1) ||
                             numSubstitutions!=1) {
            log_err("error: u_strToUTF8WithSub(length) failed\n");
        }

        /* to UTF-8 with NUL termination */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out8[0]=0xf5;
        u8DestLen=0;
        u_strToUTF8WithSub(out8, LENGTHOF(out8), &u8DestLen,
                           withTrail16, -1,
                           0x1a, &numSubstitutions,
                           &err);
        if(U_FAILURE(err) || u8DestLen!=uprv_strlen((const char *)withTrail8Sub1A) ||
                             0!=uprv_memcmp((const char *)withTrail8Sub1A, out8, u8DestLen+1) ||
                             numSubstitutions!=1) {
            log_err("error: u_strToUTF8WithSub(NUL termination) failed\n");
        }

        /* preflight to UTF-8 with NUL termination */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out8[0]=0xf5;
        u8DestLen=0;
        u_strToUTF8WithSub(out8, 1, &u8DestLen,
                           withTrail16, -1,
                           0xfffd, &numSubstitutions,
                           &err);
        if(err!=U_BUFFER_OVERFLOW_ERROR || u8DestLen!=uprv_strlen((const char *)withTrail8SubFFFD) ||
                                           numSubstitutions!=1) {
            log_err("error: u_strToUTF8WithSub(preflight/NUL termination) failed\n");
        }

        /* test that numSubstitutions==0 if there are no substitutions */

        /* from UTF-8 with length (just first 3 bytes which are valid) */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out16[0]=0x55aa;
        uDestLen=0;
        u_strFromUTF8WithSub(out16, LENGTHOF(out16), &uDestLen,
                             (const char *)withTrail8, 3,
                             0x50005, &numSubstitutions,
                             &err);
        if(U_FAILURE(err) || uDestLen!=1 ||
                             0!=u_memcmp(withTrail16Sub50005, out16, uDestLen) ||
                             numSubstitutions!=0) {
            log_err("error: u_strFromUTF8WithSub(no subs) failed\n");
        }

        /* to UTF-8 with length (just first UChar which is valid) */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out8[0]=0xf5;
        u8DestLen=0;
        u_strToUTF8WithSub(out8, LENGTHOF(out8), &u8DestLen,
                           withTrail16, 1,
                           0xfffd, &numSubstitutions,
                           &err);
        if(U_FAILURE(err) || u8DestLen!=3 ||
                             0!=uprv_memcmp((const char *)withTrail8SubFFFD, out8, u8DestLen) ||
                             numSubstitutions!=0) {
            log_err("error: u_strToUTF8WithSub(no subs) failed\n");
        }

        /* test that numSubstitutions==0 if subchar==U_SENTINEL (no subchar) */

        /* from UTF-8 with length (just first 3 bytes which are valid) */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out16[0]=0x55aa;
        uDestLen=0;
        u_strFromUTF8WithSub(out16, LENGTHOF(out16), &uDestLen,
                             (const char *)withTrail8, 3,
                             U_SENTINEL, &numSubstitutions,
                             &err);
        if(U_FAILURE(err) || uDestLen!=1 ||
                             0!=u_memcmp(withTrail16Sub50005, out16, uDestLen) ||
                             numSubstitutions!=0) {
            log_err("error: u_strFromUTF8WithSub(no subchar) failed\n");
        }

        /* to UTF-8 with length (just first UChar which is valid) */
        err=U_ZERO_ERROR;
        numSubstitutions=-1;
        out8[0]=0xf5;
        u8DestLen=0;
        u_strToUTF8WithSub(out8, LENGTHOF(out8), &u8DestLen,
                           withTrail16, 1,
                           U_SENTINEL, &numSubstitutions,
                           &err);
        if(U_FAILURE(err) || u8DestLen!=3 ||
                             0!=uprv_memcmp((const char *)withTrail8SubFFFD, out8, u8DestLen) ||
                             numSubstitutions!=0) {
            log_err("error: u_strToUTF8WithSub(no subchar) failed\n");
        }
    }
}

/* compare if two strings are equal, but match 0xfffd in the second string with anything in the first */
static UBool
equalAnyFFFD(const UChar *s, const UChar *t, int32_t length) {
    UChar c1, c2;

    while(length>0) {
        c1=*s++;
        c2=*t++;
        if(c1!=c2 && c2!=0xfffd) {
            return FALSE;
        }
        --length;
    }
    return TRUE;
}

/* test u_strFromUTF8Lenient() */
static void
Test_FromUTF8Lenient(void) {
    /*
     * Multiple input strings, each NUL-terminated.
     * Terminate with a string starting with 0xff.
     */
    static const uint8_t bytes[]={
        /* well-formed UTF-8 */
        0x61,  0xc3, 0x9f,  0xe0, 0xa0, 0x80,  0xf0, 0xa0, 0x80, 0x80,
        0x62,  0xc3, 0xa0,  0xe0, 0xa0, 0x81,  0xf0, 0xa0, 0x80, 0x81, 0,

        /* various malformed sequences */
        0xc3, 0xc3, 0x9f,  0xc3, 0xa0,  0xe0, 0x80, 0x8a,  0xf0, 0x41, 0x42, 0x43, 0,

        /* truncated input */
        0xc3, 0,
        0xe0, 0,
        0xe0, 0xa0, 0,
        0xf0, 0,
        0xf0, 0x90, 0,
        0xf0, 0x90, 0x80, 0,

        /* empty string */
        0,

        /* finish */
        0xff, 0
    };

    /* Multiple output strings, each NUL-terminated. 0xfffd matches anything. */
    static const UChar uchars[]={
        0x61, 0xdf, 0x800,  0xd840, 0xdc00,
        0x62, 0xe0, 0x801,  0xd840, 0xdc01,  0,

        0xfffd, 0x9f, 0xe0, 0xa,  0xfffd, 0xfffd,  0,

        0xfffd, 0,
        0xfffd, 0,
        0xfffd, 0,
        0xfffd, 0,
        0xfffd, 0,
        0xfffd, 0,

        0,

        0
    };

    UChar dest[64];
    const char *pb;
    const UChar *pu, *pDest;
    int32_t srcLength, destLength0, destLength;
    int number;
    UErrorCode errorCode;

    /* verify checking for some illegal arguments */
    dest[0]=0x1234;
    destLength=-1;
    errorCode=U_ZERO_ERROR;
    pDest=u_strFromUTF8Lenient(dest, 1, &destLength, NULL, -1, &errorCode);
    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR || dest[0]!=0x1234) {
        log_err("u_strFromUTF8Lenient(src=NULL) failed\n");
    }

    dest[0]=0x1234;
    destLength=-1;
    errorCode=U_ZERO_ERROR;
    pDest=u_strFromUTF8Lenient(NULL, 1, &destLength, (const char *)bytes, -1, &errorCode);
    if(errorCode!=U_ILLEGAL_ARGUMENT_ERROR) {
        log_err("u_strFromUTF8Lenient(dest=NULL[1]) failed\n");
    }

    dest[0]=0x1234;
    destLength=-1;
    errorCode=U_MEMORY_ALLOCATION_ERROR;
    pDest=u_strFromUTF8Lenient(dest, 1, &destLength, (const char *)bytes, -1, &errorCode);
    if(errorCode!=U_MEMORY_ALLOCATION_ERROR || dest[0]!=0x1234) {
        log_err("u_strFromUTF8Lenient(U_MEMORY_ALLOCATION_ERROR) failed\n");
    }

    dest[0]=0x1234;
    destLength=-1;
    errorCode=U_MEMORY_ALLOCATION_ERROR;
    pDest=u_strFromUTF8Lenient(dest, 1, &destLength, (const char *)bytes, -1, NULL);
    if(dest[0]!=0x1234) {
        log_err("u_strFromUTF8Lenient(pErrorCode=NULL) failed\n");
    }

    /* test normal behavior */
    number=0; /* string number for log_err() */

    for(pb=(const char *)bytes, pu=uchars;
        *pb!=(char)0xff;
        pb+=srcLength+1, pu+=destLength0+1, ++number
    ) {
        srcLength=uprv_strlen(pb);
        destLength0=u_strlen(pu);

        /* preflighting with NUL-termination */
        dest[0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(NULL, 0, &destLength, pb, -1, &errorCode);
        if (errorCode!= (destLength0==0 ? U_STRING_NOT_TERMINATED_WARNING : U_BUFFER_OVERFLOW_ERROR) ||
            pDest!=NULL || dest[0]!=0x1234 || destLength!=destLength0
        ) {
            log_err("u_strFromUTF8Lenient(%d preflighting with NUL-termination) failed\n", number);
        }

        /* preflighting/some capacity with NUL-termination */
        if(srcLength>0) {
            dest[destLength0-1]=0x1234;
            destLength=-1;
            errorCode=U_ZERO_ERROR;
            pDest=u_strFromUTF8Lenient(dest, destLength0-1, &destLength, pb, -1, &errorCode);
            if (errorCode!=U_BUFFER_OVERFLOW_ERROR ||
                dest[destLength0-1]!=0x1234 || destLength!=destLength0
            ) {
                log_err("u_strFromUTF8Lenient(%d preflighting/some capacity with NUL-termination) failed\n", number);
            }
        }

        /* conversion with NUL-termination, much capacity */
        dest[0]=dest[destLength0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(dest, LENGTHOF(dest), &destLength, pb, -1, &errorCode);
        if (errorCode!=U_ZERO_ERROR ||
            pDest!=dest || dest[destLength0]!=0 ||
            destLength!=destLength0 || !equalAnyFFFD(dest, pu, destLength)
        ) {
            log_err("u_strFromUTF8Lenient(%d conversion with NUL-termination, much capacity) failed\n", number);
        }

        /* conversion with NUL-termination, exact capacity */
        dest[0]=dest[destLength0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(dest, destLength0, &destLength, pb, -1, &errorCode);
        if (errorCode!=U_STRING_NOT_TERMINATED_WARNING ||
            pDest!=dest || dest[destLength0]!=0x1234 ||
            destLength!=destLength0 || !equalAnyFFFD(dest, pu, destLength)
        ) {
            log_err("u_strFromUTF8Lenient(%d conversion with NUL-termination, exact capacity) failed\n", number);
        }

        /* preflighting with length */
        dest[0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(NULL, 0, &destLength, pb, srcLength, &errorCode);
        if (errorCode!= (destLength0==0 ? U_STRING_NOT_TERMINATED_WARNING : U_BUFFER_OVERFLOW_ERROR) ||
            pDest!=NULL || dest[0]!=0x1234 || destLength!=srcLength
        ) {
            log_err("u_strFromUTF8Lenient(%d preflighting with length) failed\n", number);
        }

        /* preflighting/some capacity with length */
        if(srcLength>0) {
            dest[srcLength-1]=0x1234;
            destLength=-1;
            errorCode=U_ZERO_ERROR;
            pDest=u_strFromUTF8Lenient(dest, srcLength-1, &destLength, pb, srcLength, &errorCode);
            if (errorCode!=U_BUFFER_OVERFLOW_ERROR ||
                dest[srcLength-1]!=0x1234 || destLength!=srcLength
            ) {
                log_err("u_strFromUTF8Lenient(%d preflighting/some capacity with length) failed\n", number);
            }
        }

        /* conversion with length, much capacity */
        dest[0]=dest[destLength0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(dest, LENGTHOF(dest), &destLength, pb, srcLength, &errorCode);
        if (errorCode!=U_ZERO_ERROR ||
            pDest!=dest || dest[destLength0]!=0 ||
            destLength!=destLength0 || !equalAnyFFFD(dest, pu, destLength)
        ) {
            log_err("u_strFromUTF8Lenient(%d conversion with length, much capacity) failed\n", number);
        }

        /* conversion with length, srcLength capacity */
        dest[0]=dest[srcLength]=dest[destLength0]=0x1234;
        destLength=-1;
        errorCode=U_ZERO_ERROR;
        pDest=u_strFromUTF8Lenient(dest, srcLength, &destLength, pb, srcLength, &errorCode);
        if(srcLength==destLength0) {
            if (errorCode!=U_STRING_NOT_TERMINATED_WARNING ||
                pDest!=dest || dest[destLength0]!=0x1234 ||
                destLength!=destLength0 || !equalAnyFFFD(dest, pu, destLength)
            ) {
                log_err("u_strFromUTF8Lenient(%d conversion with length, srcLength capacity/not terminated) failed\n", number);
            }
        } else {
            if (errorCode!=U_ZERO_ERROR ||
                pDest!=dest || dest[destLength0]!=0 ||
                destLength!=destLength0 || !equalAnyFFFD(dest, pu, destLength)
            ) {
                log_err("u_strFromUTF8Lenient(%d conversion with length, srcLength capacity/terminated) failed\n", number);
            }
        }
    }
}

static const uint16_t src16j[] = {
    0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0048, 0x0049, 0x004A, 0x000D, 0x000A,
    0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0050, 0x0051, 0x0052, 0x000D, 0x000A,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A, 0x000D, 0x000A,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0058, 0x0059, 0x005A, 0x000D, 0x000A,
    0x0000,
    /* Test only ASCII */

};
static const uint16_t src16WithNulls[] = {
    0x0043, 0x0044, 0x0045, 0x0046, 0x0047, 0x0000,
    0x0048, 0x0049, 0x004A, 0x000D, 0x000A, 0x0000,
    0x004B, 0x004C, 0x004D, 0x004E, 0x004F, 0x0000,
    0x0050, 0x0051, 0x0052, 0x000D, 0x000A, 0x0000,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0000,
    0x0058, 0x0059, 0x005A, 0x000D, 0x000A, 0x0000,
    0x0053, 0x0054, 0x0055, 0x0056, 0x0057, 0x0000,
    0x0058, 0x0059, 0x005A, 0x000D, 0x000A, 0x0000,
    /* test only ASCII */
    /* 
    0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD,
    0x00AE, 0x00AF, 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7,
    0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, 0x00C0, 0x00C1,
    0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, 0x00C8, 0x00C9, 0x00CA, 0x00CB,
    0x00CC, 0x00CD, 0x00CE, 0x00CF, 0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 
    0x00D6, 0x00D7, 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF, 
    0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, 0x00E8, 0x00E9,
    0x0054, 0x0000 */

};
static void Test_UChar_WCHART_API(void){
#if (defined(U_WCHAR_IS_UTF16) || defined(U_WCHAR_IS_UTF32)) || (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION)
    UErrorCode err = U_ZERO_ERROR;
    const UChar* uSrc = src16j;
    int32_t uSrcLen = sizeof(src16j)/2;
    wchar_t* wDest = NULL;
    int32_t wDestLen = 0;
    int32_t reqLen= 0 ;
    UBool failed = FALSE;
    UChar* uDest = NULL;
    int32_t uDestLen = 0;
    int i =0;
    {
        /* Bad UErrorCode arguments. Make sure that the API doesn't crash, and that Purify doesn't complain. */
        if (u_strFromWCS(NULL,0,NULL,NULL,0,NULL) != NULL) {
            log_err("u_strFromWCS() should return NULL with a bad argument\n");
        }
        if (u_strToWCS(NULL,0,NULL,NULL,0,NULL) != NULL) {
            log_err("u_strToWCS() should return NULL with a bad argument\n");
        }

        /* Bad UErrorCode arguments. */
        err = U_ZERO_ERROR;
        u_strFromWCS(NULL,0,NULL,NULL,0,&err);
        if (err != U_ILLEGAL_ARGUMENT_ERROR) {
            log_err("u_strFromWCS() didn't fail as expected with bad arguments. Error: %s \n", u_errorName(err));
        }
        err = U_ZERO_ERROR;
        u_strToWCS(NULL,0,NULL,NULL,0,&err);
        if (err != U_ILLEGAL_ARGUMENT_ERROR) {
            log_err("u_strToWCS() didn't fail as expected with bad arguments. Error: %s \n", u_errorName(err));
        }
        err = U_ZERO_ERROR;

        /* pre-flight*/
        u_strToWCS(wDest,wDestLen,&reqLen,uSrc,uSrcLen-1,&err);

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err=U_ZERO_ERROR;
            wDest =(wchar_t*) malloc(sizeof(wchar_t) * (reqLen+1));
            wDestLen = reqLen+1;
            u_strToWCS(wDest,wDestLen,&reqLen,uSrc,uSrcLen-1,&err);
        }

        /* pre-flight */
        u_strFromWCS(uDest, uDestLen,&reqLen,wDest,reqLen,&err);
        

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err =U_ZERO_ERROR;
            uDest = (UChar*) malloc(sizeof(UChar) * (reqLen+1));
            uDestLen = reqLen + 1;
            u_strFromWCS(uDest, uDestLen,&reqLen,wDest,reqLen,&err);
        }else if(U_FAILURE(err)){

            log_err("u_strFromWCS() failed. Error: %s \n", u_errorName(err));
            return;
        }

        for(i=0; i< uSrcLen; i++){
            if(uDest[i] != src16j[i]){
                log_verbose("u_str*WCS() failed for unterminated string expected: \\u%04X got: \\u%04X at index: %i \n", src16j[i] ,uDest[i],i);
                failed =TRUE;
            }
        }

        if(U_FAILURE(err)){
            failed = TRUE;
        }
        if(failed){
            log_err("u_strToWCS() failed \n");
        }
        free(wDest);
        free(uDest);
        
       
        /* test with embeded nulls */
        uSrc = src16WithNulls;
        uSrcLen = sizeof(src16WithNulls)/2;
        wDestLen =0;
        uDestLen =0;
        wDest = NULL;
        uDest = NULL;
        /* pre-flight*/
        u_strToWCS(wDest,wDestLen,&reqLen,uSrc,uSrcLen-1,&err);

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err=U_ZERO_ERROR;
            wDest =(wchar_t*) malloc(sizeof(wchar_t) * (reqLen+1));
            wDestLen = reqLen+1;
            u_strToWCS(wDest,wDestLen,&reqLen,uSrc,uSrcLen-1,&err);
        }

        /* pre-flight */
        u_strFromWCS(uDest, uDestLen,&reqLen,wDest,reqLen,&err);

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err =U_ZERO_ERROR;
            uDest = (UChar*) malloc(sizeof(UChar) * (reqLen+1));
            uDestLen = reqLen + 1;
            u_strFromWCS(uDest, uDestLen,&reqLen,wDest,reqLen,&err);
        }
    

        for(i=0; i< uSrcLen; i++){
            if(uDest[i] != src16WithNulls[i]){
                log_verbose("u_str*WCS() failed for string with nulls expected: \\u%04X got: \\u%04X at index: %i \n", src16WithNulls[i] ,uDest[i],i);
                failed =TRUE;
            }
        }

        if(U_FAILURE(err)){
            failed = TRUE;
        }
        if(failed){
            log_err("u_strToWCS() failed \n");
        }
        free(wDest);
        free(uDest);

    }

    {
        
        uSrc = src16j;
        uSrcLen = sizeof(src16j)/2;
        wDestLen =0;
        uDestLen =0;
        wDest = NULL;
        uDest = NULL;
        wDestLen = 0;
        /* pre-flight*/
        u_strToWCS(wDest,wDestLen,&reqLen,uSrc,-1,&err);

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err=U_ZERO_ERROR;
            wDest =(wchar_t*) malloc(sizeof(wchar_t) * (reqLen+1));
            wDestLen = reqLen+1;
            u_strToWCS(wDest,wDestLen,&reqLen,uSrc,-1,&err);
        }
        uDestLen = 0;
        /* pre-flight */
        u_strFromWCS(uDest, uDestLen,&reqLen,wDest,-1,&err);

        if(err == U_BUFFER_OVERFLOW_ERROR){
            err =U_ZERO_ERROR;
            uDest = (UChar*) malloc(sizeof(UChar) * (reqLen+1));
            uDestLen = reqLen + 1;
            u_strFromWCS(uDest, uDestLen,&reqLen,wDest,-1,&err);
        }
    

        for(i=0; i< uSrcLen; i++){
            if(uDest[i] != src16j[i]){
                log_verbose("u_str*WCS() failed for null terminated string expected: \\u%04X got: \\u%04X at index: %i \n", src16j[i] ,uDest[i],i);
                failed =TRUE;
            }
        }

        if(U_FAILURE(err)){
            failed = TRUE;
        }
        if(failed){
            log_err("u_strToWCS() failed \n");
        }
        free(wDest);
        free(uDest);
    }

    /*
     * Test u_terminateWChars().
     * All u_terminateXYZ() use the same implementation macro;
     * we test this function to improve API coverage.
     */
    {
        wchar_t buffer[10];

        err=U_ZERO_ERROR;
        buffer[3]=0x20ac;
        wDestLen=u_terminateWChars(buffer, LENGTHOF(buffer), 3, &err);
        if(err!=U_ZERO_ERROR || wDestLen!=3 || buffer[3]!=0) {
            log_err("u_terminateWChars(buffer, all, 3, zero) failed: %s length %d [3]==U+%04x\n",
                    u_errorName(err), wDestLen, buffer[3]);
        }

        err=U_ZERO_ERROR;
        buffer[3]=0x20ac;
        wDestLen=u_terminateWChars(buffer, 3, 3, &err);
        if(err!=U_STRING_NOT_TERMINATED_WARNING || wDestLen!=3 || buffer[3]!=0x20ac) {
            log_err("u_terminateWChars(buffer, 3, 3, zero) failed: %s length %d [3]==U+%04x\n",
                    u_errorName(err), wDestLen, buffer[3]);
        }

        err=U_STRING_NOT_TERMINATED_WARNING;
        buffer[3]=0x20ac;
        wDestLen=u_terminateWChars(buffer, LENGTHOF(buffer), 3, &err);
        if(err!=U_ZERO_ERROR || wDestLen!=3 || buffer[3]!=0) {
            log_err("u_terminateWChars(buffer, all, 3, not-terminated) failed: %s length %d [3]==U+%04x\n",
                    u_errorName(err), wDestLen, buffer[3]);
        }

        err=U_ZERO_ERROR;
        buffer[3]=0x20ac;
        wDestLen=u_terminateWChars(buffer, 2, 3, &err);
        if(err!=U_BUFFER_OVERFLOW_ERROR || wDestLen!=3 || buffer[3]!=0x20ac) {
            log_err("u_terminateWChars(buffer, 2, 3, zero) failed: %s length %d [3]==U+%04x\n",
                    u_errorName(err), wDestLen, buffer[3]);
        }
    }
#else
	log_info("Not testing u_str*WCS because (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION) and wchar is neither utf16 nor utf32");
#endif
} 

static void Test_widestrs()
{
#if (defined(U_WCHAR_IS_UTF16) || defined(U_WCHAR_IS_UTF32)) || (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION)
        wchar_t ws[100];
        UChar rts[100];
        int32_t wcap = sizeof(ws) / sizeof(*ws);
        int32_t wl;
        int32_t rtcap = sizeof(rts) / sizeof(*rts);
        int32_t rtl;
        wchar_t *wcs;
        UChar *cp;
        const char *errname;
        UChar ustr[] = {'h', 'e', 'l', 'l', 'o', 0};
        int32_t ul = sizeof(ustr)/sizeof(*ustr) -1;
        char astr[100];

        UErrorCode err;

        err = U_ZERO_ERROR;
        wcs = u_strToWCS(ws, wcap, &wl, ustr, ul, &err);
        if (U_FAILURE(err)) {
                errname = u_errorName(err);
                log_err("test_widestrs: u_strToWCS error: %s!\n",errname);
        }
        if(ul!=wl){
            log_err("u_strToWCS: ustr = %s, ul = %d, ws = %S, wl = %d!\n", u_austrcpy(astr, ustr), ul, ws, wl);
        }
        err = U_ZERO_ERROR;
        wl = (int32_t)uprv_wcslen(wcs);
        cp = u_strFromWCS(rts, rtcap, &rtl, wcs, wl, &err);
        if (U_FAILURE(err)) {
                errname = u_errorName(err);
                fprintf(stderr, "test_widestrs: ucnv_wcstombs error: %s!\n",errname);
        }
        if(wl != rtl){
            log_err("u_strFromWCS: wcs = %S, wl = %d,rts = %s, rtl = %d!\n", wcs, wl, u_austrcpy(astr, rts), rtl);
        }
#else
	log_info("Not testing u_str*WCS because (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION) and wchar is neither utf16 nor utf32");
#endif
}

static void
Test_WCHART_LongString(){
#if (defined(U_WCHAR_IS_UTF16) || defined(U_WCHAR_IS_UTF32)) || (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION)
    UErrorCode status = U_ZERO_ERROR;
    const char* testdatapath=loadTestData(&status);
    UResourceBundle *theBundle = ures_open(testdatapath, "testtypes", &status);
    int32_t strLen =0;
    const UChar* str = ures_getStringByKey(theBundle, "testinclude",&strLen,&status);
    const UChar* uSrc = str;
    int32_t uSrcLen = strLen;
    int32_t wDestLen =0, reqLen=0, i=0;
    int32_t uDestLen =0;
    wchar_t* wDest = NULL;
    UChar* uDest = NULL;
    UBool failed = FALSE;

    if(U_FAILURE(status)){
        log_err("Could not get testinclude resource from testtypes bundle. Error: %s\n",u_errorName(status));
        return;
    }

    /* pre-flight*/
    u_strToWCS(wDest,wDestLen,&reqLen,uSrc,-1,&status);

    if(status == U_BUFFER_OVERFLOW_ERROR){
        status=U_ZERO_ERROR;
        wDest =(wchar_t*) malloc(sizeof(wchar_t) * (reqLen+1));
        wDestLen = reqLen+1;
        u_strToWCS(wDest,wDestLen,&reqLen,uSrc,-1,&status);
    }
    uDestLen = 0;
    /* pre-flight */
    u_strFromWCS(uDest, uDestLen,&reqLen,wDest,-1,&status);

    if(status == U_BUFFER_OVERFLOW_ERROR){
        status =U_ZERO_ERROR;
        uDest = (UChar*) malloc(sizeof(UChar) * (reqLen+1));
        uDestLen = reqLen + 1;
        u_strFromWCS(uDest, uDestLen,&reqLen,wDest,-1,&status);
    }


    for(i=0; i< uSrcLen; i++){
        if(uDest[i] != str[i]){
            log_verbose("u_str*WCS() failed for null terminated string expected: \\u%04X got: \\u%04X at index: %i \n", src16j[i] ,uDest[i],i);
            failed =TRUE;
        }
    }

    if(U_FAILURE(status)){
        failed = TRUE;
    }
    if(failed){
        log_err("u_strToWCS() failed \n");
    }
    free(wDest);
    free(uDest);
    /* close the bundle */
    ures_close(theBundle);    
#else
	log_info("Not testing u_str*WCS because (!UCONFIG_NO_CONVERSION && !UCONFIG_NO_LEGACY_CONVERSION) and wchar is neither utf16 nor utf32");
#endif
}