/********************************************************************
 * COPYRIGHT: 
 * Copyright (c) 1997-2003, International Business Machines Corporation and
 * others. All Rights Reserved.
 ********************************************************************/
/********************************************************************************
*
* File CAPITEST.C
*
* Modification History:
*        Name                     Description            
*     Madhu Katragadda             Ported for C API
*********************************************************************************
*//* C API TEST For COLLATOR */

#include "unicode/utypes.h"

#if !UCONFIG_NO_COLLATION

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "unicode/uloc.h"
#include "unicode/ustring.h"
#include "unicode/ures.h"
#include "unicode/ucoleitr.h"
#include "cintltst.h"
#include "capitst.h"
#include "ccolltst.h"

static void TestAttribute(void);
        int TestBufferSize();	/* defined in "colutil.c" */


/* next two function is modified from "i18n/ucol.cpp" to avoid include "ucol_imp.h" */
static void uprv_appendByteToHexString(char *dst, uint8_t val) {
  uint32_t len = (uint32_t)strlen(dst);
  sprintf(dst+len, "%02X", val);
}

static char* U_EXPORT2 ucol_sortKeyToString(const UCollator *coll, const uint8_t *sortkey, char *buffer, uint32_t *len) {
  int32_t strength = UCOL_PRIMARY;
  uint32_t res_size = 0;
  UBool doneCase = FALSE;

  char *current = buffer;
  const uint8_t *currentSk = sortkey;

  UErrorCode error_code = U_ZERO_ERROR;

  strcpy(current, "[");

  while(strength <= UCOL_QUATERNARY && strength <= ucol_getAttribute(coll,UCOL_STRENGTH, &error_code)) {
    if(U_FAILURE(error_code)) {
      log_err("ucol_getAttribute returned error: %s\n", u_errorName(error_code));
    }
    if(strength > UCOL_PRIMARY) {
      strcat(current, " . ");
    }
    while(*currentSk != 0x01 && *currentSk != 0x00) { /* print a level */
      uprv_appendByteToHexString(current, *currentSk++);
      strcat(current, " ");
    }
    if(ucol_getAttribute(coll,UCOL_CASE_LEVEL, &error_code) == UCOL_ON && strength == UCOL_SECONDARY && doneCase == FALSE) {
        doneCase = TRUE;
    } else if(ucol_getAttribute(coll,UCOL_CASE_LEVEL, &error_code) == UCOL_OFF || doneCase == TRUE || strength != UCOL_SECONDARY) {
      strength ++;
    }
    if(U_FAILURE(error_code)) {
      log_err("ucol_getAttribute returned error: %s\n", u_errorName(error_code));
    }
    uprv_appendByteToHexString(current, *currentSk++); /* This should print '01' */
    if(strength == UCOL_QUATERNARY && ucol_getAttribute(coll,UCOL_ALTERNATE_HANDLING, &error_code) == UCOL_NON_IGNORABLE) {
      break;
    }
  }

  if(ucol_getAttribute(coll,UCOL_STRENGTH, &error_code) == UCOL_IDENTICAL) {
    strcat(current, " . ");
    while(*currentSk != 0) {
      uprv_appendByteToHexString(current, *currentSk++);
      strcat(current, " ");
    }

    uprv_appendByteToHexString(current, *currentSk++);
  }
  if(U_FAILURE(error_code)) {
    log_err("ucol_getAttribute returned error: %s\n", u_errorName(error_code));
  }
  strcat(current, "]");

  if(res_size > *len) {
    return NULL;
  }

  return buffer;
}
/* end of  avoid include "ucol_imp.h" */


void addCollAPITest(TestNode** root)
{
    /* WEIVTODO: return tests here */
    addTest(root, &TestProperty,      "tscoll/capitst/TestProperty");
    addTest(root, &TestRuleBasedColl, "tscoll/capitst/TestRuleBasedColl");
    addTest(root, &TestCompare,       "tscoll/capitst/TestCompare");
    addTest(root, &TestSortKey,       "tscoll/capitst/TestSortKey");
    addTest(root, &TestHashCode,      "tscoll/capitst/TestHashCode");
    addTest(root, &TestElemIter,      "tscoll/capitst/TestElemIter");
    addTest(root, &TestGetAll,        "tscoll/capitst/TestGetAll");
    /*addTest(root, &TestGetDefaultRules, "tscoll/capitst/TestGetDefaultRules");*/
    addTest(root, &TestDecomposition, "tscoll/capitst/TestDecomposition");
    addTest(root, &TestSafeClone, "tscoll/capitst/TestSafeClone");
    addTest(root, &TestGetSetAttr, "tscoll/capitst/TestGetSetAttr");
    addTest(root, &TestBounds, "tscoll/capitst/TestBounds");
    addTest(root, &TestGetLocale, "tscoll/capitst/TestGetLocale");    
    addTest(root, &TestSortKeyBufferOverrun, "tscoll/capitst/TestSortKeyBufferOverrun");
    addTest(root, &TestAttribute, "tscoll/capitst/TestAttribute");
    addTest(root, &TestGetTailoredSet, "tscoll/capitst/TestGetTailoredSet");
    addTest(root, &TestMergeSortKeys, "tscoll/capitst/TestMergeSortKeys");

}

void TestGetSetAttr(void) {
  UErrorCode status = U_ZERO_ERROR;
  UCollator *coll = ucol_open(NULL, &status);
  struct attrTest {
    UColAttribute att;
    UColAttributeValue val[5];
    uint32_t valueSize;
    UColAttributeValue nonValue;
  } attrs[] = {
    {UCOL_FRENCH_COLLATION, {UCOL_ON, UCOL_OFF}, 2, UCOL_SHIFTED},
    {UCOL_ALTERNATE_HANDLING, {UCOL_NON_IGNORABLE, UCOL_SHIFTED}, 2, UCOL_OFF},/* attribute for handling variable elements*/
    {UCOL_CASE_FIRST, {UCOL_OFF, UCOL_LOWER_FIRST, UCOL_UPPER_FIRST}, 3, UCOL_SHIFTED},/* who goes first, lower case or uppercase */
    {UCOL_CASE_LEVEL, {UCOL_ON, UCOL_OFF}, 2, UCOL_SHIFTED},/* do we have an extra case level */
    {UCOL_NORMALIZATION_MODE, {UCOL_ON, UCOL_OFF}, 2, UCOL_SHIFTED},/* attribute for normalization */
    {UCOL_DECOMPOSITION_MODE, {UCOL_ON, UCOL_OFF}, 2, UCOL_SHIFTED},
    {UCOL_STRENGTH,         {UCOL_PRIMARY, UCOL_SECONDARY, UCOL_TERTIARY, UCOL_QUATERNARY, UCOL_IDENTICAL}, 5, UCOL_SHIFTED},/* attribute for strength */
    {UCOL_HIRAGANA_QUATERNARY_MODE, {UCOL_ON, UCOL_OFF}, 2, UCOL_SHIFTED},/* when turned on, this attribute */
  };
  UColAttribute currAttr;
  UColAttributeValue value; 
  uint32_t i = 0, j = 0;

  for(i = 0; i<sizeof(attrs)/sizeof(attrs[0]); i++) {
    currAttr = attrs[i].att;
    ucol_setAttribute(coll, currAttr, UCOL_DEFAULT, &status);
    if(U_FAILURE(status)) {
      log_err("ucol_setAttribute with the default value returned error: %s\n", u_errorName(status));
      break;
    }
    value = ucol_getAttribute(coll, currAttr, &status);
    if(U_FAILURE(status)) {
      log_err("ucol_getAttribute returned error: %s\n", u_errorName(status));
      break;
    }
    for(j = 0; j<attrs[i].valueSize; j++) {
      ucol_setAttribute(coll, currAttr, attrs[i].val[j], &status);
      if(U_FAILURE(status)) {
        log_err("ucol_setAttribute with the value %i returned error: %s\n", attrs[i].val[j], u_errorName(status));
        break;
      }
    }
    status = U_ZERO_ERROR;
    ucol_setAttribute(coll, currAttr, attrs[i].nonValue, &status);
    if(U_SUCCESS(status)) {
      log_err("ucol_setAttribute with the bad value didn't return an error\n");
      break;
    }
    status = U_ZERO_ERROR;

    ucol_setAttribute(coll, currAttr, value, &status);
    if(U_FAILURE(status)) {
      log_err("ucol_setAttribute with the default valuereturned error: %s\n", u_errorName(status));
      break;
    }

  }
  status = U_ZERO_ERROR;
  value = ucol_getAttribute(coll, UCOL_ATTRIBUTE_COUNT, &status);
  if(U_SUCCESS(status)) {
    log_err("ucol_getAttribute for UCOL_ATTRIBUTE_COUNT didn't return an error\n");
  }
  status = U_ZERO_ERROR;
  ucol_setAttribute(coll, UCOL_ATTRIBUTE_COUNT, UCOL_DEFAULT, &status);
  if(U_SUCCESS(status)) {
    log_err("ucol_setAttribute for UCOL_ATTRIBUTE_COUNT didn't return an error\n");
  }
  status = U_ZERO_ERROR;
  ucol_close(coll);
}


static void doAssert(int condition, const char *message)
{
    if (condition==0) {
        log_err("ERROR :  %s\n", message);
    }
}

#if 0
/* We don't have default rules, at least not in the previous sense */
void TestGetDefaultRules(){
    uint32_t size=0;
    UErrorCode status=U_ZERO_ERROR;
    UCollator *coll=NULL;
    int32_t len1 = 0, len2=0;
    uint8_t *binColData = NULL;

    UResourceBundle *res = NULL;
    UResourceBundle *binColl = NULL;
    uint8_t *binResult = NULL;
    
    
    const UChar * defaultRulesArray=ucol_getDefaultRulesArray(&size);
    log_verbose("Test the function ucol_getDefaultRulesArray()\n");

    coll = ucol_openRules(defaultRulesArray, size, UCOL_ON, UCOL_PRIMARY, &status);
    if(U_SUCCESS(status) && coll !=NULL) {
        binColData = (uint8_t*)ucol_cloneRuleData(coll, &len1, &status);
        
    }

     
    status=U_ZERO_ERROR;
    res=ures_open(NULL, "root", &status);
    if(U_FAILURE(status)){
        log_err("ERROR: Failed to get resource for \"root Locale\" with %s", myErrorName(status));
        return;
    }
    binColl=ures_getByKey(res, "%%Collation", binColl, &status);  
    if(U_SUCCESS(status)){
        binResult=(uint8_t*)ures_getBinary(binColl,  &len2, &status);
        if(U_FAILURE(status)){
            log_err("ERROR: ures_getBinary() failed\n");
        }
    }else{
        log_err("ERROR: ures_getByKey(locale(default), %%Collation) failed");
    }


    if(len1 != len2){
        log_err("Error: ucol_getDefaultRulesArray() failed to return the correct length.\n");
    }
    if(memcmp(binColData, binResult, len1) != 0){
        log_err("Error: ucol_getDefaultRulesArray() failed\n");
    }

    free(binColData);
    ures_close(binColl);
    ures_close(res);
    ucol_close(coll);
  
}
#endif

/* Collator Properties
 ucol_open, ucol_strcoll,  getStrength/setStrength
 getDecomposition/setDecomposition, getDisplayName*/
void TestProperty()
{    
    UCollator *col, *ruled;
    UChar *disName;
    int32_t len = 0, i = 0;
    UChar *source, *target;
    int32_t tempLength;
    UErrorCode status = U_ZERO_ERROR;
    /* 
      All the collations have the same version in an ICU
      version.
      ICU 2.0 currVersionArray = {0x18, 0xC0, 0x02, 0x02};
      ICU 2.1 currVersionArray = {0x19, 0x00, 0x03, 0x03};
      ICU 2.2 currVersionArray = {0x21, 0x40, 0x04, 0x04};
      ICU 2.4 currVersionArray = {0x21, 0x40, 0x04, 0x04};
    */
    UVersionInfo currVersionArray = {0x21, 0x40, 0x03, 0x03};
    UVersionInfo versionArray;
    
    log_verbose("The property tests begin : \n");
    log_verbose("Test ucol_strcoll : \n");
    col = ucol_open("en_US", &status);
    if (U_FAILURE(status)) {
        log_err("Default Collator creation failed.: %s\n", myErrorName(status));
        return;
    }

    ucol_getVersion(col, versionArray);
    for (i=0; i<4; ++i) {
      if (versionArray[i] != currVersionArray[i]) {
        log_err("Testing ucol_getVersion() - unexpected result: %hu.%hu.%hu.%hu\n", 
            versionArray[0], versionArray[1], versionArray[2], versionArray[3]);
        break;
      }
    }

    source=(UChar*)malloc(sizeof(UChar) * 12);
    target=(UChar*)malloc(sizeof(UChar) * 12);
    

    u_uastrcpy(source, "ab");
    u_uastrcpy(target, "abc");
    
    doAssert((ucol_strcoll(col, source, u_strlen(source), target, u_strlen(target)) == UCOL_LESS), "ab < abc comparison failed");

    u_uastrcpy(source, "ab");
    u_uastrcpy(target, "AB");

    doAssert((ucol_strcoll(col, source, u_strlen(source), target, u_strlen(target)) == UCOL_LESS), "ab < AB comparison failed");
/*    u_uastrcpy(source, "black-bird");
    u_uastrcpy(target, "blackbird"); */
    u_uastrcpy(target, "black-bird");
    u_uastrcpy(source, "blackbird");

    doAssert((ucol_strcoll(col, source, u_strlen(source), target, u_strlen(target)) == UCOL_GREATER), 
        "black-bird > blackbird comparison failed");
    u_uastrcpy(source, "black bird");
    u_uastrcpy(target, "black-bird");
    doAssert((ucol_strcoll(col, source, u_strlen(source), target, u_strlen(target)) == UCOL_LESS), 
        "black bird < black-bird comparison failed");
    u_uastrcpy(source, "Hello");
    u_uastrcpy(target, "hello");

    doAssert((ucol_strcoll(col, source, u_strlen(source), target, u_strlen(target)) == UCOL_GREATER), 
        "Hello > hello comparison failed");
    free(source);
    free(target);
    log_verbose("Test ucol_strcoll ends.\n");

    log_verbose("testing ucol_getStrength() method ...\n");
    doAssert( (ucol_getStrength(col) == UCOL_TERTIARY), "collation object has the wrong strength");
    doAssert( (ucol_getStrength(col) != UCOL_PRIMARY), "collation object's strength is primary difference");
        
    log_verbose("testing ucol_setStrength() method ...\n");
    ucol_setStrength(col, UCOL_SECONDARY);
    doAssert( (ucol_getStrength(col) != UCOL_TERTIARY), "collation object's strength is secondary difference");
    doAssert( (ucol_getStrength(col) != UCOL_PRIMARY), "collation object's strength is primary difference");
    doAssert( (ucol_getStrength(col) == UCOL_SECONDARY), "collation object has the wrong strength");

    
    log_verbose("Get display name for the default collation in German : \n");

    len=ucol_getDisplayName("en_US", "de_DE", NULL, 0,  &status);
    if(status==U_BUFFER_OVERFLOW_ERROR){
        status=U_ZERO_ERROR;
        disName=(UChar*)malloc(sizeof(UChar) * (len+1));
        ucol_getDisplayName("en_US", "de_DE", disName, len+1,  &status);
        log_verbose("the display name for default collation in german: %s\n", austrdup(disName) );
        free(disName);
    }
    if(U_FAILURE(status)){
        log_err("ERROR: in getDisplayName: %s\n", myErrorName(status));
        return;
    }
    log_verbose("Default collation getDisplayName ended.\n");

    ruled = ucol_open("da_DK", &status);
    log_verbose("ucol_getRules() testing ...\n");
    ucol_getRules(ruled, &tempLength);
    doAssert( tempLength != 0, "getRules() result incorrect" );
    log_verbose("getRules tests end.\n");
    {
        UChar *buffer = (UChar *)malloc(200000*sizeof(UChar));
        int32_t bufLen = 200000;
        buffer[0] = '\0';
        log_verbose("ucol_getRulesEx() testing ...\n");
        tempLength = ucol_getRulesEx(col,UCOL_TAILORING_ONLY,buffer,bufLen );
        doAssert( tempLength == 0, "getRulesEx() result incorrect" );
        log_verbose("getRules tests end.\n");
        
        log_verbose("ucol_getRulesEx() testing ...\n");
        tempLength=ucol_getRulesEx(col,UCOL_FULL_RULES,buffer,bufLen );
        doAssert( tempLength != 0, "getRulesEx() result incorrect" );
        log_verbose("getRules tests end.\n");
        free(buffer);
    }
    ucol_close(ruled);
    ucol_close(col);
    
    log_verbose("open an collator for french locale");
    col = ucol_open("fr_FR", &status);
    if (U_FAILURE(status)) {
       log_err("ERROR: Creating French collation failed.: %s\n", myErrorName(status));
        return;
    }
    ucol_setStrength(col, UCOL_PRIMARY);
    log_verbose("testing ucol_getStrength() method again ...\n");
    doAssert( (ucol_getStrength(col) != UCOL_TERTIARY), "collation object has the wrong strength");
    doAssert( (ucol_getStrength(col) == UCOL_PRIMARY), "collation object's strength is not primary difference");
        
    log_verbose("testing French ucol_setStrength() method ...\n");
    ucol_setStrength(col, UCOL_TERTIARY);
    doAssert( (ucol_getStrength(col) == UCOL_TERTIARY), "collation object's strength is not tertiary difference");
    doAssert( (ucol_getStrength(col) != UCOL_PRIMARY), "collation object's strength is primary difference");
    doAssert( (ucol_getStrength(col) != UCOL_SECONDARY), "collation object's strength is secondary difference");
    ucol_close(col);
    
    log_verbose("Get display name for the french collation in english : \n");
    len=ucol_getDisplayName("fr_FR", "en_US", NULL, 0,  &status);
    if(status==U_BUFFER_OVERFLOW_ERROR){
        status=U_ZERO_ERROR;
        disName=(UChar*)malloc(sizeof(UChar) * (len+1));
        ucol_getDisplayName("fr_FR", "en_US", disName, len+1,  &status);
        log_verbose("the display name for french collation in english: %s\n", austrdup(disName) );
        free(disName);
    }
    if(U_FAILURE(status)){
        log_err("ERROR: in getDisplayName: %s\n", myErrorName(status));
        return;
    }
    log_verbose("Default collation getDisplayName ended.\n");

}

/* Test RuleBasedCollator and getRules*/
void TestRuleBasedColl()
{
    UCollator *col1, *col2, *col3, *col4;
    UCollationElements *iter1, *iter2;
    UChar ruleset1[60];
    UChar ruleset2[50];
    UChar teststr[10];
    UChar teststr2[10];
    const UChar *rule1, *rule2, *rule3, *rule4;
    int32_t tempLength;
    UErrorCode status = U_ZERO_ERROR;
    u_uastrcpy(ruleset1, "&9 < a, A < b, B < c, C; ch, cH, Ch, CH < d, D, e, E");
    u_uastrcpy(ruleset2, "&9 < a, A < b, B < c, C < d, D, e, E");
    
    col1 = ucol_openRules(ruleset1, u_strlen(ruleset1), UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH, NULL,&status);
    if (U_FAILURE(status)) {
        log_err("RuleBased Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    else
        log_verbose("PASS: RuleBased Collator creation passed\n");
    
    status = U_ZERO_ERROR;
    col2 = ucol_openRules(ruleset2, u_strlen(ruleset2),  UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH, NULL, &status);
    if (U_FAILURE(status)) {
        log_err("RuleBased Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    else
        log_verbose("PASS: RuleBased Collator creation passed\n");
    
    
    status = U_ZERO_ERROR;
    col3= ucol_open(NULL, &status);
    if (U_FAILURE(status)) {
        log_err("Default Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    else
        log_verbose("PASS: Default Collator creation passed\n");
    
    rule1 = ucol_getRules(col1, &tempLength);
    rule2 = ucol_getRules(col2, &tempLength);
    rule3 = ucol_getRules(col3, &tempLength);

    doAssert((u_strcmp(rule1, rule2) != 0), "Default collator getRules failed");
    doAssert((u_strcmp(rule2, rule3) != 0), "Default collator getRules failed");
    doAssert((u_strcmp(rule1, rule3) != 0), "Default collator getRules failed");
    
    col4=ucol_openRules(rule2, u_strlen(rule2), UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH, NULL, &status);
    if (U_FAILURE(status)) {
        log_err("RuleBased Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    rule4= ucol_getRules(col4, &tempLength);
    doAssert((u_strcmp(rule2, rule4) == 0), "Default collator getRules failed");

    ucol_close(col1);
    ucol_close(col2);
    ucol_close(col3);
    ucol_close(col4);
    
    /* tests that modifier ! is always ignored */
    u_uastrcpy(ruleset1, "!&a<b");
    teststr[0] = 0x0e40;
    teststr[1] = 0x0e01;
    teststr[2] = 0x0e2d;
    col1 = ucol_openRules(ruleset1, u_strlen(ruleset1), UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH, NULL, &status);
    if (U_FAILURE(status)) {
        log_err("RuleBased Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    col2 = ucol_open("en_US", &status);
    if (U_FAILURE(status)) {
        log_err("en_US Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    iter1 = ucol_openElements(col1, teststr, 3, &status);
    iter2 = ucol_openElements(col2, teststr, 3, &status);
    if(U_FAILURE(status)) {
        log_err("ERROR: CollationElement iterator creation failed.: %s\n", myErrorName(status));
        return;
    }
    while (TRUE) {
        /* testing with en since thai has its own tailoring */
        uint32_t ce = ucol_next(iter1, &status);
        uint32_t ce2 = ucol_next(iter2, &status);
    	if(U_FAILURE(status)) {
            log_err("ERROR: CollationElement iterator creation failed.: %s\n", myErrorName(status));
            return;
    	}
        if (ce2 != ce) {
             log_err("! modifier test failed");
        }
        if (ce == UCOL_NULLORDER) {
            break;
        }
    }
    ucol_closeElements(iter1);
    ucol_closeElements(iter2);
    ucol_close(col1);
    ucol_close(col2);
    /* test that we can start a rule without a & or < */
    u_uastrcpy(ruleset1, "< z < a");
    col1 = ucol_openRules(ruleset1, u_strlen(ruleset1), UCOL_DEFAULT, UCOL_DEFAULT_STRENGTH, NULL, &status);
    if (U_FAILURE(status)) {
        log_err("RuleBased Collator creation failed.: %s\n", myErrorName(status));
        return;
    }
    u_uastrcpy(teststr, "z");
    u_uastrcpy(teststr2, "a");
    if (ucol_greaterOrEqual(col1, teststr, 1, teststr2, 1)) {
        log_err("Rule \"z < a\" fails");
    }    
    ucol_close(col1);
}

void TestCompare()
{
    UErrorCode status = U_ZERO_ERROR;
    UCollator *col;
    UChar* test1;
    UChar* test2;
    
    log_verbose("The compare tests begin : \n");
    status=U_ZERO_ERROR;
    col = ucol_open("en_US", &status);
    if(U_FAILURE(status)) {
        log_err("ucal_open() collation creation failed.: %s\n", myErrorName(status));
        return;
    }
    test1=(UChar*)malloc(sizeof(UChar) * 6);
    test2=(UChar*)malloc(sizeof(UChar) * 6);
    u_uastrcpy(test1, "Abcda");
    u_uastrcpy(test2, "abcda");
    
    log_verbose("Use tertiary comparison level testing ....\n");
                
    doAssert( (!ucol_equal(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" != \"abcda\" ");
    doAssert( (ucol_greater(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" >>> \"abcda\" ");
    doAssert( (ucol_greaterOrEqual(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" >>> \"abcda\""); 

    ucol_setStrength(col, UCOL_SECONDARY);
    log_verbose("Use secondary comparison level testing ....\n");
                
    doAssert( (ucol_equal(col, test1, u_strlen(test1), test2, u_strlen(test2) )), "Result should be \"Abcda\" == \"abcda\"");
    doAssert( (!ucol_greater(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" == \"abcda\"");
    doAssert( (ucol_greaterOrEqual(col, test1, u_strlen(test1), test2, u_strlen(test2) )), "Result should be \"Abcda\" == \"abcda\"");  

    ucol_setStrength(col, UCOL_PRIMARY);
    log_verbose("Use primary comparison level testing ....\n");
    
    doAssert( (ucol_equal(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" == \"abcda\"");
    doAssert( (!ucol_greater(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" == \"abcda\"");
    doAssert( (ucol_greaterOrEqual(col, test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"Abcda\" == \"abcda\"");  

      
    log_verbose("The compare tests end.\n");
    ucol_close(col);
    free(test1);
    free(test2);
   
}
/*
---------------------------------------------
 tests decomposition setting
*/
void TestDecomposition() {
    UErrorCode status = U_ZERO_ERROR;
    UCollator *en_US, *el_GR, *vi_VN;
    en_US = ucol_open("en_US", &status);
    el_GR = ucol_open("el_GR", &status);
    vi_VN = ucol_open("vi_VN", &status);

    if (U_FAILURE(status)) {
        log_err("ERROR: collation creation failed.: %s\n", myErrorName(status));
        return;
    }

    if (ucol_getAttribute(vi_VN, UCOL_NORMALIZATION_MODE, &status) != UCOL_ON ||
        U_FAILURE(status))
    {
        log_err("ERROR: vi_VN collation did not have cannonical decomposition for normalization!\n");
    }

    status = U_ZERO_ERROR;
    if (ucol_getAttribute(el_GR, UCOL_NORMALIZATION_MODE, &status) != UCOL_ON ||
        U_FAILURE(status))
    {
        log_err("ERROR: el_GR collation did not have cannonical decomposition for normalization!\n");
    }

    status = U_ZERO_ERROR;
    if (ucol_getAttribute(en_US, UCOL_NORMALIZATION_MODE, &status) != UCOL_OFF ||
        U_FAILURE(status))
    {
        log_err("ERROR: en_US collation had cannonical decomposition for normalization!\n");
    }

    ucol_close(en_US);
    ucol_close(el_GR);
    ucol_close(vi_VN);
}

#define CLONETEST_COLLATOR_COUNT 3

void TestSafeClone() {
    UChar* test1;
    UChar* test2;
    UCollator * someCollators [CLONETEST_COLLATOR_COUNT];
    UCollator * someClonedCollators [CLONETEST_COLLATOR_COUNT];
    UCollator * col;
    UErrorCode err = U_ZERO_ERROR;
    int8_t testSize = 6;    /* Leave this here to test buffer alingment in memory*/
    uint8_t buffer [CLONETEST_COLLATOR_COUNT] [U_COL_SAFECLONE_BUFFERSIZE];
    int32_t bufferSize = U_COL_SAFECLONE_BUFFERSIZE;
    int index;

    if (TestBufferSize()) {
        log_err("U_COL_SAFECLONE_BUFFERSIZE should be larger than sizeof(UCollator)\n");
        return;
    }

    test1=(UChar*)malloc(sizeof(UChar) * testSize);
    test2=(UChar*)malloc(sizeof(UChar) * testSize);
    u_uastrcpy(test1, "abCda");
    u_uastrcpy(test2, "abcda");
    
    /* one default collator & two complex ones */
    someCollators[0] = ucol_open("en_US", &err);
    someCollators[1] = ucol_open("ko", &err);
    someCollators[2] = ucol_open("ja_JP", &err);
    if(U_FAILURE(err)) {
      log_data_err("Couldn't open one or more collators\n");
      return;
    }

    /* Check the various error & informational states: */

    /* Null status - just returns NULL */
    if (0 != ucol_safeClone(someCollators[0], buffer[0], &bufferSize, 0))
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with null status\n");
    }
    /* error status - should return 0 & keep error the same */
    err = U_MEMORY_ALLOCATION_ERROR;
    if (0 != ucol_safeClone(someCollators[0], buffer[0], &bufferSize, &err) || err != U_MEMORY_ALLOCATION_ERROR)
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with incoming error status\n");
    }
    err = U_ZERO_ERROR;

    /* Null buffer size pointer - just returns NULL & set error to U_ILLEGAL_ARGUMENT_ERROR*/
    if (0 != ucol_safeClone(someCollators[0], buffer[0], 0, &err) || err != U_ILLEGAL_ARGUMENT_ERROR)
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with null bufferSize pointer\n");
    }
    err = U_ZERO_ERROR;
    
    /* buffer size pointer is 0 - fill in pbufferSize with a size */
    bufferSize = 0;
    if (0 != ucol_safeClone(someCollators[0], buffer[0], &bufferSize, &err) || U_FAILURE(err) || bufferSize <= 0)
    {
        log_err("FAIL: Cloned Collator failed a sizing request ('preflighting')\n");
    }
    /* Verify our define is large enough  */
    if (U_COL_SAFECLONE_BUFFERSIZE < bufferSize)
    {
        log_err("FAIL: Pre-calculated buffer size is too small\n");
    }
    /* Verify we can use this run-time calculated size */
    if (0 == (col = ucol_safeClone(someCollators[0], buffer[0], &bufferSize, &err)) || U_FAILURE(err))
    {
        log_err("FAIL: Collator can't be cloned with run-time size\n");
    }
    if (col) ucol_close(col);
    /* size one byte too small - should allocate & let us know */
    --bufferSize;
    if (0 == (col = ucol_safeClone(someCollators[0], 0, &bufferSize, &err)) || err != U_SAFECLONE_ALLOCATED_WARNING)
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with too-small buffer size\n");
    }
    if (col) ucol_close(col);
    err = U_ZERO_ERROR;
    bufferSize = U_COL_SAFECLONE_BUFFERSIZE;


    /* Null buffer pointer - return Collator & set error to U_SAFECLONE_ALLOCATED_ERROR */
    if (0 == (col = ucol_safeClone(someCollators[0], 0, &bufferSize, &err)) || err != U_SAFECLONE_ALLOCATED_WARNING)
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with null buffer pointer\n");
    }
    if (col) ucol_close(col);
    err = U_ZERO_ERROR;

    /* Null Collator - return NULL & set U_ILLEGAL_ARGUMENT_ERROR */
    if (0 != ucol_safeClone(0, buffer[0], &bufferSize, &err) || err != U_ILLEGAL_ARGUMENT_ERROR)
    {
        log_err("FAIL: Cloned Collator failed to deal correctly with null Collator pointer\n");
    }

    err = U_ZERO_ERROR;

    /* change orig & clone & make sure they are independent */

    for (index = 0; index < CLONETEST_COLLATOR_COUNT; index++)
    {
        bufferSize = U_COL_SAFECLONE_BUFFERSIZE;
        someClonedCollators[index] = ucol_safeClone(someCollators[index], buffer[index], &bufferSize, &err);

        ucol_setStrength(someClonedCollators[index], UCOL_TERTIARY);
        ucol_setStrength(someCollators[index], UCOL_PRIMARY);
        ucol_setAttribute(someClonedCollators[index], UCOL_CASE_LEVEL, UCOL_OFF, &err);
        ucol_setAttribute(someCollators[index], UCOL_CASE_LEVEL, UCOL_OFF, &err);
        
        doAssert( (ucol_greater(someClonedCollators[index], test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"abCda\" >>> \"abcda\" ");
        doAssert( (ucol_equal(someCollators[index], test1, u_strlen(test1), test2, u_strlen(test2))), "Result should be \"abcda\" == \"abCda\"");
        
        ucol_close(someClonedCollators[index]);
        ucol_close(someCollators[index]);
    }
    free(test1);
    free(test2);
}

/*
----------------------------------------------------------------------------
 ctor -- Tests the getSortKey
*/
void TestSortKey()
{   
    uint8_t *sortk1 = NULL, *sortk2 = NULL, *sortk3 = NULL, *sortkEmpty = NULL;
    uint8_t sortk2_compat[] = { 
        /* 2.2 key */
        0x1D, 0x1F, 0x21, 0x23, 0x1D, 0x01, 
        0x09, 0x01, 0x09, 0x01, 0x1C, 0x01, 
        0x92, 0x93, 0x94, 0x95, 0x92, 0x00
        /* 2.0 key */
        /*0x19, 0x1B, 0x1D, 0x1F, 0x19, 0x01, 0x09, 0x01, 0x09, 0x01, 0x18, 0x01, 0x92, 0x93, 0x94, 0x95, 0x92, 0x00*/
        /* 1.8.1 key.*/
        /*0x19, 0x1B, 0x1D, 0x1F, 0x19, 0x01, 0x0A, 0x01, 0x0A, 0x01, 0x92, 0x93, 0x94, 0x95, 0x92, 0x00*/
        /*this is a 1.8 sortkey */
        /*0x17, 0x19, 0x1B, 0x1D, 0x17, 0x01, 0x08, 0x01, 0x08, 0x00*/
        /*this is a 1.7 sortkey */
        /*0x02, 0x54, 0x02, 0x55, 0x02, 0x56, 0x02, 0x57, 0x02, 0x54, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x02, 0x02, 0x02, 0x02, 0x02, 0x00*/
        /* this is a 1.6 sortkey */
      /*0x00, 0x53, 0x00, 0x54, 0x00, 0x55, 0x00, 0x56, 0x00, 0x53, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x01, 0x00, 0x00*/
    };

    int32_t sortklen, osortklen;
    uint32_t toStringLen=0;
    UCollator *col;
    UChar *test1, *test2, *test3;
    UErrorCode status = U_ZERO_ERROR;
    char toStringBuffer[256], *resultP;


    uint8_t s1[] = { 0x9f, 0x00 };
    uint8_t s2[] = { 0x61, 0x00 };
    int  strcmpResult;

    strcmpResult = strcmp((const char *)s1, (const char *)s2);
    log_verbose("strcmp(0x9f..., 0x61...) = %d\n", strcmpResult);
    
    if(strcmpResult <= 0) {
      log_err("ERR: expected strcmp(\"9f 00\", \"61 00\") to be >=0 (GREATER).. got %d. Calling strcmp() for sortkeys may not work! \n",
              strcmpResult);
    }


    log_verbose("testing SortKey begins...\n");
    /* this is supposed to open default date format, but later on it treats it like it is "en_US" 
       - very bad if you try to run the tests on machine where default locale is NOT "en_US" */
    /* col = ucol_open(NULL, &status); */
    col = ucol_open("en_US", &status);
    if (U_FAILURE(status)) {
        log_err("ERROR: Default collation creation failed.: %s\n", myErrorName(status));
        return;
    }


    if(ucol_getStrength(col) != UCOL_DEFAULT_STRENGTH)
    {
        log_err("ERROR: default collation did not have UCOL_DEFAULT_STRENGTH !\n");
    }
    /* Need to use identical strength */
    ucol_setAttribute(col, UCOL_STRENGTH, UCOL_IDENTICAL, &status);

    test1=(UChar*)malloc(sizeof(UChar) * 6);
    test2=(UChar*)malloc(sizeof(UChar) * 6);
    test3=(UChar*)malloc(sizeof(UChar) * 6);
    
    memset(test1,0xFE, sizeof(UChar)*6);
    memset(test2,0xFE, sizeof(UChar)*6);
    memset(test3,0xFE, sizeof(UChar)*6);


    u_uastrcpy(test1, "Abcda");
    u_uastrcpy(test2, "abcda");
    u_uastrcpy(test3, "abcda");

    log_verbose("Use tertiary comparison level testing ....\n");

    sortklen=ucol_getSortKey(col, test1, u_strlen(test1),  NULL, 0);
    sortk1=(uint8_t*)malloc(sizeof(uint8_t) * (sortklen+1));
    memset(sortk1,0xFE, sortklen);
    ucol_getSortKey(col, test1, u_strlen(test1), sortk1, sortklen+1);

    sortklen=ucol_getSortKey(col, test2, u_strlen(test2),  NULL, 0);
    sortk2=(uint8_t*)malloc(sizeof(uint8_t) * (sortklen+1));
    memset(sortk2,0xFE, sortklen);
    ucol_getSortKey(col, test2, u_strlen(test2), sortk2, sortklen+1);

    osortklen = sortklen;
    sortklen=ucol_getSortKey(col, test2, u_strlen(test3),  NULL, 0);
    sortk3=(uint8_t*)malloc(sizeof(uint8_t) * (sortklen+1));
    memset(sortk3,0xFE, sortklen);
    ucol_getSortKey(col, test2, u_strlen(test2), sortk3, sortklen+1);

    doAssert( (sortklen == osortklen), "Sortkey length should be the same (abcda, abcda)");

    doAssert( (memcmp(sortk1, sortk2, sortklen) > 0), "Result should be \"Abcda\" > \"abcda\"");
    doAssert( (memcmp(sortk2, sortk1, sortklen) < 0), "Result should be \"abcda\" < \"Abcda\"");
    doAssert( (memcmp(sortk2, sortk3, sortklen) == 0), "Result should be \"abcda\" ==  \"abcda\"");

    doAssert( (memcmp(sortk2, sortk2_compat, sortklen) == 0), "Binary format for 'abcda' sortkey different!");

    resultP = ucol_sortKeyToString(col, sortk2_compat, toStringBuffer, &toStringLen);
    doAssert( (resultP != 0), "sortKeyToString failed!");

#if 1 /* verobse log of sortkeys */
    {
      char junk2[1000];
      char junk3[1000];
      int i;

      strcpy(junk2, "abcda[2] ");
      strcpy(junk3, " abcda[3] ");

      for(i=0;i<sortklen;i++)
        {
          sprintf(junk2+strlen(junk2), "%02X ",(int)( 0xFF & sortk2[i]));
          sprintf(junk3+strlen(junk3), "%02X ",(int)( 0xFF & sortk3[i]));
        }
      
      log_verbose("%s\n", junk2);
      log_verbose("%s\n", junk3);
    }
#endif

    free(sortk1);
    free(sortk2);
    free(sortk3);

    log_verbose("Use secondary comparision level testing ...\n");
    ucol_setStrength(col, UCOL_SECONDARY);
    sortklen=ucol_getSortKey(col, test1, u_strlen(test1),  NULL, 0);
    sortk1=(uint8_t*)malloc(sizeof(uint8_t) * (sortklen+1));
    ucol_getSortKey(col, test1, u_strlen(test1), sortk1, sortklen+1);
    sortklen=ucol_getSortKey(col, test2, u_strlen(test2),  NULL, 0);
    sortk2=(uint8_t*)malloc(sizeof(uint8_t) * (sortklen+1));
    ucol_getSortKey(col, test2, u_strlen(test2), sortk2, sortklen+1);
    
    doAssert( !(memcmp(sortk1, sortk2, sortklen) > 0), "Result should be \"Abcda\" == \"abcda\"");
    doAssert( !(memcmp(sortk2, sortk1, sortklen) < 0), "Result should be \"abcda\" == \"Abcda\"");
    doAssert( (memcmp(sortk1, sortk2, sortklen) == 0), "Result should be \"abcda\" ==  \"abcda\"");

    log_verbose("getting sortkey for an empty string\n");
    ucol_setAttribute(col, UCOL_STRENGTH, UCOL_TERTIARY, &status);
    sortklen = ucol_getSortKey(col, test1, 0, NULL, 0);
    sortkEmpty = (uint8_t*)malloc(sizeof(uint8_t) * sortklen+1);
    sortklen = ucol_getSortKey(col, test1, 0, sortkEmpty, sortklen+1);
    if(sortklen != 3 || sortkEmpty[0] != 1 || sortkEmpty[0] != 1 || sortkEmpty[2] != 0) {
      log_err("Empty string generated wrong sortkey!\n");
    }
    free(sortkEmpty);

    log_verbose("testing passing invalid string\n");
    sortklen = ucol_getSortKey(col, NULL, 0, NULL, 0);
    if(sortklen != 0) {
      log_err("Invalid string didn't return sortkey size of 0\n");
    }
    
 
    log_verbose("testing sortkey ends...\n");
    ucol_close(col);
    free(test1);
    free(test2);
    free(test3);
    free(sortk1);
    free(sortk2);
     
}
void TestHashCode()
{
    uint8_t *sortk1, *sortk2, *sortk3;
    int32_t sortk1len, sortk2len, sortk3len;
    UCollator *col;
    UChar *test1, *test2, *test3;
    UErrorCode status = U_ZERO_ERROR;
    log_verbose("testing getHashCode begins...\n");
    col = ucol_open("en_US", &status);
    if (U_FAILURE(status)) {
        log_err("ERROR: Default collation creation failed.: %s\n", myErrorName(status));
        return;
    }
    test1=(UChar*)malloc(sizeof(UChar) * 6);
    test2=(UChar*)malloc(sizeof(UChar) * 6);
    test3=(UChar*)malloc(sizeof(UChar) * 6);
    u_uastrcpy(test1, "Abcda");
    u_uastrcpy(test2, "abcda");
    u_uastrcpy(test3, "abcda");

    log_verbose("Use tertiary comparison level testing ....\n");
    sortk1len=ucol_getSortKey(col, test1, u_strlen(test1),  NULL, 0);
    sortk1=(uint8_t*)malloc(sizeof(uint8_t) * (sortk1len+1));
    ucol_getSortKey(col, test1, u_strlen(test1), sortk1, sortk1len+1);
    sortk2len=ucol_getSortKey(col, test2, u_strlen(test2),  NULL, 0);
    sortk2=(uint8_t*)malloc(sizeof(uint8_t) * (sortk2len+1));
    ucol_getSortKey(col, test2, u_strlen(test2), sortk2, sortk2len+1);
    sortk3len=ucol_getSortKey(col, test2, u_strlen(test3),  NULL, 0);
    sortk3=(uint8_t*)malloc(sizeof(uint8_t) * (sortk3len+1));
    ucol_getSortKey(col, test2, u_strlen(test2), sortk3, sortk3len+1);
        
    
    log_verbose("ucol_hashCode() testing ...\n");
    
    doAssert( ucol_keyHashCode(sortk1, sortk1len) != ucol_keyHashCode(sortk2, sortk2len), "Hash test1 result incorrect" );               
    doAssert( !(ucol_keyHashCode(sortk1, sortk1len) == ucol_keyHashCode(sortk2, sortk2len)), "Hash test2 result incorrect" );
    doAssert( ucol_keyHashCode(sortk2, sortk2len) == ucol_keyHashCode(sortk3, sortk3len), "Hash result not equal" );
    
    log_verbose("hashCode tests end.\n");
    ucol_close(col);
    free(sortk1);
    free(sortk2);
    free(sortk3);
    free(test1);
    free(test2);
    free(test3);


}
/*
 *----------------------------------------------------------------------------
 * Tests the UCollatorElements API.
 * 
 */ 
void TestElemIter()
{
    int32_t offset;
    int32_t order1, order2, order3;
    UChar *testString1, *testString2;
    UCollator *col;
    UCollationElements *iterator1, *iterator2, *iterator3;
    UErrorCode status = U_ZERO_ERROR;
    log_verbose("testing UCollatorElements begins...\n");
    col = ucol_open("en_US", &status);
    ucol_setAttribute(col, UCOL_NORMALIZATION_MODE, UCOL_OFF, &status);
    if (U_FAILURE(status)) {
        log_err("ERROR: Default collation creation failed.: %s\n", myErrorName(status));
        return;
    }

    testString1=(UChar*)malloc(sizeof(UChar) * 150);
    testString2=(UChar*)malloc(sizeof(UChar) * 150);
    u_uastrcpy(testString1, "XFILE What subset of all possible test cases has the highest probability of detecting the most errors?");
    u_uastrcpy(testString2, "Xf_ile What subset of all possible test cases has the lowest probability of detecting the least errors?");
    
    log_verbose("Constructors and comparison testing....\n");
    
    iterator1 = ucol_openElements(col, testString1, u_strlen(testString1), &status);
    if(U_FAILURE(status)) {
        log_err("ERROR: Default collationElement iterator creation failed.: %s\n", myErrorName(status));
        ucol_close(col);
        return;
    }
    else{ log_verbose("PASS: Default collationElement iterator1 creation passed\n");}

    iterator2 = ucol_openElements(col, testString1, u_strlen(testString1), &status);
    if(U_FAILURE(status)) {
        log_err("ERROR: Default collationElement iterator creation failed.: %s\n", myErrorName(status));
        ucol_close(col);
        return;
    }
    else{ log_verbose("PASS: Default collationElement iterator2 creation passed\n");}

    iterator3 = ucol_openElements(col, testString2, u_strlen(testString2), &status);
    if(U_FAILURE(status)) {
        log_err("ERROR: Default collationElement iterator creation failed.: %s\n", myErrorName(status));
        ucol_close(col);
        return;
    }
    else{ log_verbose("PASS: Default collationElement iterator3 creation passed\n");}

    offset=ucol_getOffset(iterator1);
    ucol_setOffset(iterator1, 6, &status);
    if (U_FAILURE(status)) {
        log_err("Error in setOffset for UCollatorElements iterator.: %s\n", myErrorName(status));
        return;
    }
    if(ucol_getOffset(iterator1)==6)
        log_verbose("setOffset and getOffset working fine\n");
    else{
        log_err("error in set and get Offset got %d instead of 6\n", ucol_getOffset(iterator1));
    }

    ucol_setOffset(iterator1, 0, &status);
    order1 = ucol_next(iterator1, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator1.: %s\n", myErrorName(status));
        return;
    }
    order2=ucol_getOffset(iterator2);
    doAssert((order1 != order2), "The first iterator advance failed");
    order2 = ucol_next(iterator2, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator2.: %s\n", myErrorName(status));
        return;
    }
    order3 = ucol_next(iterator3, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator3.: %s\n", myErrorName(status));
        return;
    }
    
    doAssert((order1 == order2), "The second iterator advance failed should be the same as first one");
    
doAssert( (ucol_primaryOrder(order1) == ucol_primaryOrder(order3)), "The primary orders should be identical");
doAssert( (ucol_secondaryOrder(order1) == ucol_secondaryOrder(order3)), "The secondary orders should be identical");
doAssert( (ucol_tertiaryOrder(order1) == ucol_tertiaryOrder(order3)), "The tertiary orders should be identical");
    
    order1=ucol_next(iterator1, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator2.: %s\n", myErrorName(status));
        return;
    }
    order3=ucol_next(iterator3, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator2.: %s\n", myErrorName(status));
        return;
    }
doAssert( (ucol_primaryOrder(order1) == ucol_primaryOrder(order3)), "The primary orders should be identical");
doAssert( (ucol_tertiaryOrder(order1) != ucol_tertiaryOrder(order3)), "The tertiary orders should be different");
    
    order1=ucol_next(iterator1, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator2.: %s\n", myErrorName(status));
        return;
    }
    order3=ucol_next(iterator3, &status);
    if (U_FAILURE(status)) {
        log_err("Somehow ran out of memory stepping through the iterator2.: %s\n", myErrorName(status));
        return;
    }
    /* this here, my friends, is either pure lunacy or something so obsolete that even it's mother
     * doesn't care about it. Essentialy, this test complains if secondary values for 'I' and '_'
     * are the same. According to the UCA, this is not true. Therefore, remove the test.
     * Besides, if primary strengths for two code points are different, it doesn't matter one bit
     * what is the relation between secondary or any other strengths.
     * killed by weiv 06/11/2002.
     */
    /*
    doAssert( ((order1 & UCOL_SECONDARYMASK) != (order3 & UCOL_SECONDARYMASK)), "The secondary orders should be different");
    */
    doAssert( (order1 != UCOL_NULLORDER), "Unexpected end of iterator reached");

    free(testString1);
    free(testString2);
    ucol_closeElements(iterator1);
    ucol_closeElements(iterator2);
    ucol_closeElements(iterator3);
    ucol_close(col);
    
    log_verbose("testing CollationElementIterator ends...\n");
}

void TestGetLocale() {
  UErrorCode status = U_ZERO_ERROR;
  const char *rules = "&a<x<y<z";
  UChar rlz[256] = {0};
  uint32_t rlzLen = u_unescape(rules, rlz, 256);

  UCollator *coll = NULL;
  const char *locale = NULL;

  int32_t i = 0;

  static const struct {
    const char* requestedLocale;
    const char* validLocale;
    const char* actualLocale;
  } testStruct[] = {
    { "sr_YU", "sr_YU", "ru" },
    { "sh_YU", "sh_YU", "sh" },
    { "en_US_CALIFORNIA", "en_US", "root" },
    { "fr_FR_NONEXISTANT", "fr_FR", "fr" }
  };

  /* test opening collators for different locales */
  for(i = 0; i<sizeof(testStruct)/sizeof(testStruct[0]); i++) {
    status = U_ZERO_ERROR;
    coll = ucol_open(testStruct[i].requestedLocale, &status);
    if(U_FAILURE(status)) {
      log_err("Failed to open collator for %s with %s\n", testStruct[i].requestedLocale, u_errorName(status));
      ucol_close(coll);
      continue;
    }
    locale = ucol_getLocale(coll, ULOC_REQUESTED_LOCALE, &status);
    if(strcmp(locale, testStruct[i].requestedLocale) != 0) {
      log_err("[Coll %s]: Error in requested locale, expected %s, got %s\n", testStruct[i].requestedLocale, testStruct[i].requestedLocale, locale);
    }
    locale = ucol_getLocale(coll, ULOC_VALID_LOCALE, &status);
    if(strcmp(locale, testStruct[i].validLocale) != 0) {
      log_err("[Coll %s]: Error in valid locale, expected %s, got %s\n", testStruct[i].requestedLocale, testStruct[i].validLocale, locale);
    }
    locale = ucol_getLocale(coll, ULOC_ACTUAL_LOCALE, &status);
    if(strcmp(locale, testStruct[i].actualLocale) != 0) {
      log_err("[Coll %s]: Error in actual locale, expected %s, got %s\n", testStruct[i].requestedLocale, testStruct[i].actualLocale, locale);
    }
    ucol_close(coll);
  }

  /* completely non-existant locale for collator should get a default collator */
  {
    UCollator *defaultColl = ucol_open(NULL, &status);
    coll = ucol_open("blahaha", &status);
    if(U_SUCCESS(status)) {
      if(strcmp(ucol_getLocale(coll, ULOC_REQUESTED_LOCALE, &status), "blahaha")) {
        log_err("Nonexisting locale didn't preserve the requested locale\n");
      }
      if(strcmp(ucol_getLocale(coll, ULOC_VALID_LOCALE, &status), 
        ucol_getLocale(defaultColl, ULOC_VALID_LOCALE, &status))) {
        log_err("Valid locale for nonexisting locale locale collator differs "
          "from valid locale for default collator\n");
      }
      if(strcmp(ucol_getLocale(coll, ULOC_ACTUAL_LOCALE, &status), 
        ucol_getLocale(defaultColl, ULOC_ACTUAL_LOCALE, &status))) {
        log_err("Actual locale for nonexisting locale locale collator differs "
          "from actual locale for default collator\n");
      }
      ucol_close(coll);
      ucol_close(defaultColl);
    } else {
      log_data_err("Couldn't open collators\n");
    }
  }

    
  /* collator instantiated from rules should have all three locales NULL */
  coll = ucol_openRules(rlz, rlzLen, UCOL_DEFAULT, UCOL_DEFAULT, NULL, &status);
  locale = ucol_getLocale(coll, ULOC_REQUESTED_LOCALE, &status);
  if(locale != NULL) {
    log_err("For collator instantiated from rules, requested locale returned %s instead of NULL\n", locale);
  }
  locale = ucol_getLocale(coll, ULOC_VALID_LOCALE, &status);
  if(locale != NULL) {
    log_err("For collator instantiated from rules,  valid locale returned %s instead of NULL\n", locale);
  }
  locale = ucol_getLocale(coll, ULOC_ACTUAL_LOCALE, &status);
  if(locale != NULL) {
    log_err("For collator instantiated from rules, actual locale returned %s instead of NULL\n", locale);
  }
  ucol_close(coll);

}


void TestGetAll()
{
    int32_t i, count;
    count=ucol_countAvailable();
    /* use something sensible w/o hardcoding the count */
    if(count < 0){
        log_err("Error in countAvailable(), it returned %d\n", count);
    }
    else{
        log_verbose("PASS: countAvailable() successful, it returned %d\n", count);
    }
    for(i=0;i<count;i++)
        log_verbose("%s\n", ucol_getAvailable(i));


}


struct teststruct {
    const char *original;
    uint8_t key[256];
  } ;

static int compare_teststruct(const void *string1, const void *string2) {
  return(strcmp((const char *)((struct teststruct *)string1)->key, (const char *)((struct teststruct *)string2)->key));
}

void TestBounds() {
  UErrorCode status = U_ZERO_ERROR;

  UCollator *coll = ucol_open("sh", &status);
  
  uint8_t sortkey[512], lower[512], upper[512];
  UChar buffer[512];

  const char *test[] = {
    "John Smith",
      "JOHN SMITH",
      "john SMITH",
      "j\\u00F6hn sm\\u00EFth",
      "J\\u00F6hn Sm\\u00EFth",
      "J\\u00D6HN SM\\u00CFTH",
      "john smithsonian",
      "John Smithsonian",
  };

  static struct teststruct tests[] = {  
 {"\\u010CAKI MIHALJ" } ,
 {"\\u010CAKI MIHALJ" } ,
 {"\\u010CAKI PIRO\\u0160KA" },
{ "\\u010CABAI ANDRIJA" } ,
 {"\\u010CABAI LAJO\\u0160" } ,
 {"\\u010CABAI MARIJA" } ,
 {"\\u010CABAI STEVAN" } ,
 {"\\u010CABAI STEVAN" } ,
 {"\\u010CABARKAPA BRANKO" } ,
 {"\\u010CABARKAPA MILENKO" } ,
 {"\\u010CABARKAPA MIROSLAV" } ,
 {"\\u010CABARKAPA SIMO" } ,
 {"\\u010CABARKAPA STANKO" } ,
 {"\\u010CABARKAPA TAMARA" } ,
 {"\\u010CABARKAPA TOMA\\u0160" } ,
 {"\\u010CABDARI\\u0106 NIKOLA" } ,
 {"\\u010CABDARI\\u0106 ZORICA" } ,
 {"\\u010CABI NANDOR" } ,
 {"\\u010CABOVI\\u0106 MILAN" } ,
 {"\\u010CABRADI AGNEZIJA" } ,
 {"\\u010CABRADI IVAN" } ,
 {"\\u010CABRADI JELENA" } ,
 {"\\u010CABRADI LJUBICA" } ,
 {"\\u010CABRADI STEVAN" } ,
 {"\\u010CABRDA MARTIN" } ,
 {"\\u010CABRILO BOGDAN" } ,
 {"\\u010CABRILO BRANISLAV" } ,
 {"\\u010CABRILO LAZAR" } ,
 {"\\u010CABRILO LJUBICA" } ,
 {"\\u010CABRILO SPASOJA" } ,
 {"\\u010CADE\\u0160 ZDENKA" } ,
 {"\\u010CADESKI BLAGOJE" } ,
 {"\\u010CADOVSKI VLADIMIR" } ,
 {"\\u010CAGLJEVI\\u0106 TOMA" } ,
 {"\\u010CAGOROVI\\u0106 VLADIMIR" } ,
 {"\\u010CAJA VANKA" } ,
 {"\\u010CAJI\\u0106 BOGOLJUB" } ,
 {"\\u010CAJI\\u0106 BORISLAV" } ,
 {"\\u010CAJI\\u0106 RADOSLAV" } ,
 {"\\u010CAK\\u0160IRAN MILADIN" } ,
 {"\\u010CAKAN EUGEN" } ,
 {"\\u010CAKAN EVGENIJE" } ,
 {"\\u010CAKAN IVAN" } ,
 {"\\u010CAKAN JULIJAN" } ,
 {"\\u010CAKAN MIHAJLO" } ,
 {"\\u010CAKAN STEVAN" } ,
 {"\\u010CAKAN VLADIMIR" } ,
 {"\\u010CAKAN VLADIMIR" } ,
 {"\\u010CAKAN VLADIMIR" } ,
 {"\\u010CAKARA ANA" } ,
 {"\\u010CAKAREVI\\u0106 MOMIR" } ,
 {"\\u010CAKAREVI\\u0106 NEDELJKO" } ,
 {"\\u010CAKI \\u0160ANDOR" } ,
 {"\\u010CAKI AMALIJA" } ,
 {"\\u010CAKI ANDRA\\u0160" } ,
 {"\\u010CAKI LADISLAV" } ,
 {"\\u010CAKI LAJO\\u0160" } ,
 {"\\u010CAKI LASLO" } ,
  };


  int32_t i = 0, j = 0, k = 0, buffSize = 0, skSize = 0, lowerSize = 0, upperSize = 0;
  int32_t arraySize = sizeof(tests)/sizeof(tests[0]);

  if(U_SUCCESS(status) && coll) {
    for(i = 0; i<arraySize; i++) {
      buffSize = u_unescape(tests[i].original, buffer, 512);
      skSize = ucol_getSortKey(coll, buffer, buffSize, tests[i].key, 512);
    }

    qsort(tests, arraySize, sizeof(struct teststruct), compare_teststruct);

    for(i = 0; i < arraySize-1; i++) {
      for(j = i+1; j < arraySize; j++) {
        lowerSize = ucol_getBound(tests[i].key, -1, UCOL_BOUND_LOWER, 1, lower, 512, &status);
        upperSize = ucol_getBound(tests[j].key, -1, UCOL_BOUND_UPPER, 1, upper, 512, &status);
        for(k = i; k <= j; k++) {
          if(strcmp((const char *)lower, (const char *)tests[k].key) > 0) {
            log_err("Problem with lower! j = %i (%s vs %s)\n", k, tests[k].original, tests[i].original);
          }
          if(strcmp((const char *)upper, (const char *)tests[k].key) <= 0) {
            log_err("Problem with upper! j = %i (%s vs %s)\n", k, tests[k].original, tests[j].original);
          }
        }
      }
    }


#if 0
  for(i = 0; i < 1000; i++) {
    lowerRND = (rand()/(RAND_MAX/arraySize));
    upperRND = lowerRND + (rand()/(RAND_MAX/(arraySize-lowerRND)));

    lowerSize = ucol_getBound(tests[lowerRND].key, -1, UCOL_BOUND_LOWER, 1, lower, 512, &status);
    upperSize = ucol_getBound(tests[upperRND].key, -1, UCOL_BOUND_UPPER_LONG, 1, upper, 512, &status);

    for(j = lowerRND; j<=upperRND; j++) {
      if(strcmp(lower, tests[j].key) > 0) {
        log_err("Problem with lower! j = %i (%s vs %s)\n", j, tests[j].original, tests[lowerRND].original);
      }
      if(strcmp(upper, tests[j].key) <= 0) {
        log_err("Problem with upper! j = %i (%s vs %s)\n", j, tests[j].original, tests[upperRND].original);
      }
    }
  }
#endif


    for(i = 0; i<sizeof(test)/sizeof(test[0]); i++) {
      buffSize = u_unescape(test[i], buffer, 512);
      skSize = ucol_getSortKey(coll, buffer, buffSize, sortkey, 512);
      lowerSize = ucol_getBound(sortkey, skSize, UCOL_BOUND_LOWER, 1, lower, 512, &status);
      upperSize = ucol_getBound(sortkey, skSize, UCOL_BOUND_UPPER_LONG, 1, upper, 512, &status);
      for(j = i+1; j<sizeof(test)/sizeof(test[0]); j++) {
        buffSize = u_unescape(test[j], buffer, 512);
        skSize = ucol_getSortKey(coll, buffer, buffSize, sortkey, 512);
        if(strcmp((const char *)lower, (const char *)sortkey) > 0) {
          log_err("Problem with lower! i = %i, j = %i (%s vs %s)\n", i, j, test[i], test[j]);
        }
        if(strcmp((const char *)upper, (const char *)sortkey) <= 0) {
          log_err("Problem with upper! i = %i, j = %i (%s vs %s)\n", i, j, test[i], test[j]);
        }
      }
    }
    ucol_close(coll);
  } else {
    log_data_err("Couldn't open collator\n");
  }

}

static void doOverrunTest(UCollator *coll, const UChar *uString, int32_t strLen) {
  int32_t skLen = 0, skLen2 = 0;
  uint8_t sortKey[256];
  int32_t i, j;
  uint8_t filler = 0xFF;

  skLen = ucol_getSortKey(coll, uString, strLen, NULL, 0);

  for(i = 0; i < skLen; i++) {
    memset(sortKey, filler, 256);
    skLen2 = ucol_getSortKey(coll, uString, strLen, sortKey, i);
    if(skLen != skLen2) {
      log_err("For buffer size %i, got different sortkey length. Expected %i got %i\n", i, skLen, skLen2);
    }
    for(j = i; j < 256; j++) {
      if(sortKey[j] != filler) {
        log_err("Something run over index %i\n", j);
        break;
      }
    }
  }
}

/* j1865 reports that if a shorter buffer is passed to
 * to get sort key, a buffer overrun happens in some 
 * cases. This test tries to check this.
 */
void TestSortKeyBufferOverrun(void) {
  UErrorCode status = U_ZERO_ERROR;
  const char* cString = "A very Merry liTTle-lamB..";
  UChar uString[256];
  int32_t strLen = 0;
  UCollator *coll = ucol_open("root", &status);
  strLen = u_unescape(cString, uString, 256);

  if(U_SUCCESS(status)) {
    log_verbose("testing non ignorable\n");
    ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_NON_IGNORABLE, &status);
    doOverrunTest(coll, uString, strLen);

    log_verbose("testing shifted\n");
    ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, &status);
    doOverrunTest(coll, uString, strLen);

    log_verbose("testing shifted quaternary\n");
    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_QUATERNARY, &status);
    doOverrunTest(coll, uString, strLen);

    log_verbose("testing with french secondaries\n");
    ucol_setAttribute(coll, UCOL_FRENCH_COLLATION, UCOL_ON, &status);
    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_TERTIARY, &status);
    ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_NON_IGNORABLE, &status);
    doOverrunTest(coll, uString, strLen);

  }
  ucol_close(coll);
}

static void TestAttribute()
{
    UErrorCode error = U_ZERO_ERROR;
    UCollator *coll = ucol_open(NULL, &error);

    if (U_FAILURE(error)) {
        log_err("Creation of default collator failed");
        return;
    }

    ucol_setAttribute(coll, UCOL_FRENCH_COLLATION, UCOL_OFF, &error);
    if (ucol_getAttribute(coll, UCOL_FRENCH_COLLATION, &error) != UCOL_OFF ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the french collation failed");
    }

    ucol_setAttribute(coll, UCOL_FRENCH_COLLATION, UCOL_ON, &error);
    if (ucol_getAttribute(coll, UCOL_FRENCH_COLLATION, &error) != UCOL_ON ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the french collation failed");
    }

    ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_SHIFTED, &error);
    if (ucol_getAttribute(coll, UCOL_ALTERNATE_HANDLING, &error) != UCOL_SHIFTED ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the alternate handling failed");
    }

    ucol_setAttribute(coll, UCOL_ALTERNATE_HANDLING, UCOL_NON_IGNORABLE, &error);
    if (ucol_getAttribute(coll, UCOL_ALTERNATE_HANDLING, &error) != UCOL_NON_IGNORABLE ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the alternate handling failed");
    }

    ucol_setAttribute(coll, UCOL_CASE_FIRST, UCOL_LOWER_FIRST, &error);
    if (ucol_getAttribute(coll, UCOL_CASE_FIRST, &error) != UCOL_LOWER_FIRST ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the case first attribute failed");
    }

    ucol_setAttribute(coll, UCOL_CASE_FIRST, UCOL_UPPER_FIRST, &error);
    if (ucol_getAttribute(coll, UCOL_CASE_FIRST, &error) != UCOL_UPPER_FIRST ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the case first attribute failed");
    }

    ucol_setAttribute(coll, UCOL_CASE_LEVEL, UCOL_ON, &error);
    if (ucol_getAttribute(coll, UCOL_CASE_LEVEL, &error) != UCOL_ON ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the case level attribute failed");
    }

    ucol_setAttribute(coll, UCOL_CASE_LEVEL, UCOL_OFF, &error);
    if (ucol_getAttribute(coll, UCOL_CASE_LEVEL, &error) != UCOL_OFF ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the case level attribute failed");
    }

    ucol_setAttribute(coll, UCOL_NORMALIZATION_MODE, UCOL_ON, &error);
    if (ucol_getAttribute(coll, UCOL_NORMALIZATION_MODE, &error) != UCOL_ON ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the normalization on/off attribute failed");
    }

    ucol_setAttribute(coll, UCOL_NORMALIZATION_MODE, UCOL_OFF, &error);
    if (ucol_getAttribute(coll, UCOL_NORMALIZATION_MODE, &error) != UCOL_OFF ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the normalization on/off attribute failed");
    }

    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_PRIMARY, &error);
    if (ucol_getAttribute(coll, UCOL_STRENGTH, &error) != UCOL_PRIMARY ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the collation strength failed");
    }

    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_SECONDARY, &error);
    if (ucol_getAttribute(coll, UCOL_STRENGTH, &error) != UCOL_SECONDARY ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the collation strength failed");
    }

    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_TERTIARY, &error);
    if (ucol_getAttribute(coll, UCOL_STRENGTH, &error) != UCOL_TERTIARY ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the collation strength failed");
    }

    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_QUATERNARY, &error);
    if (ucol_getAttribute(coll, UCOL_STRENGTH, &error) != UCOL_QUATERNARY ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the collation strength failed");
    }

    ucol_setAttribute(coll, UCOL_STRENGTH, UCOL_IDENTICAL, &error);
    if (ucol_getAttribute(coll, UCOL_STRENGTH, &error) != UCOL_IDENTICAL ||
        U_FAILURE(error)) {
        log_err("Setting and retrieving of the collation strength failed");
    }

    ucol_close(coll);
}

void TestGetTailoredSet() {
  struct {
    const char *rules;
    const char *tests[20];
    int32_t testsize;
  } setTest[] = {
    { "&a < \\u212b", { "\\u212b", "A\\u030a", "\\u00c5" }, 3},
    { "& S < \\u0161 <<< \\u0160", { "\\u0161", "s\\u030C", "\\u0160", "S\\u030C" }, 4}
  };

  int32_t i = 0, j = 0;
  UErrorCode status = U_ZERO_ERROR;
  UParseError pError;

  UCollator *coll = NULL;
  UChar buff[1024];
  int32_t buffLen = 0;
  USet *set = NULL;

  for(i = 0; i < sizeof(setTest)/sizeof(setTest[0]); i++) {
    buffLen = u_unescape(setTest[i].rules, buff, 1024);
    coll = ucol_openRules(buff, buffLen, UCOL_DEFAULT, UCOL_DEFAULT, &pError, &status);
    if(U_SUCCESS(status)) {
      set = ucol_getTailoredSet(coll, &status);
      if(uset_size(set) != setTest[i].testsize) {
        log_err("Tailored set size different (%d) than expected (%d)\n", uset_size(set), setTest[i].testsize);
      }
      for(j = 0; j < setTest[i].testsize; j++) {
        buffLen = u_unescape(setTest[i].tests[j], buff, 1024);
        if(!uset_containsString(set, buff, buffLen)) {
          log_err("Tailored set doesn't contain %s... It should\n", setTest[i].tests[j]);
        }
      }
      uset_close(set);
    } else {
      log_err("Couldn't open collator with rules %s\n", setTest[i].rules);
    }
    ucol_close(coll);
  }
}

static int tMemCmp(const uint8_t *first, const uint8_t *second) {
   int32_t firstLen = strlen((const char *)first);
   int32_t secondLen = strlen((const char *)second);
   return memcmp(first, second, uprv_min(firstLen, secondLen));
}
static const char * strengthsC[] = {
     "UCOL_PRIMARY",
     "UCOL_SECONDARY",
     "UCOL_TERTIARY",
     "UCOL_QUATERNARY",
     "UCOL_IDENTICAL"
};
 
void TestMergeSortKeys(void) {
   UErrorCode status = U_ZERO_ERROR;
   UCollator *coll = ucol_open("en", &status);
   if(U_SUCCESS(status)) {
 
     const char* cases[] = {
       "abc",
         "abcd",
         "abcde"
     };
     uint32_t casesSize = sizeof(cases)/sizeof(cases[0]);
     const char* prefix = "foo";
     const char* suffix = "egg";
     char outBuff1[256], outBuff2[256];
   
     uint8_t **sortkeys = (uint8_t **)malloc(casesSize*sizeof(uint8_t *));
     uint8_t **mergedPrefixkeys = (uint8_t **)malloc(casesSize*sizeof(uint8_t *));
     uint8_t **mergedSuffixkeys = (uint8_t **)malloc(casesSize*sizeof(uint8_t *));
     uint32_t *sortKeysLen = (uint32_t *)malloc(casesSize*sizeof(uint32_t));
     uint8_t prefixKey[256], suffixKey[256];
     uint32_t prefixKeyLen = 0, suffixKeyLen = 0, i = 0;
     UChar buffer[256];
     uint32_t unescapedLen = 0, l1 = 0, l2 = 0;
     UColAttributeValue strength;
 
     log_verbose("ucol_mergeSortkeys test\n");
     log_verbose("Testing order of the test cases\n");
     genericLocaleStarter("en", cases, casesSize);
 
     for(i = 0; i<casesSize; i++) {
       sortkeys[i] = (uint8_t *)malloc(256*sizeof(uint8_t));
       mergedPrefixkeys[i] = (uint8_t *)malloc(256*sizeof(uint8_t));
       mergedSuffixkeys[i] = (uint8_t *)malloc(256*sizeof(uint8_t));
     }
 
     unescapedLen = u_unescape(prefix, buffer, 256);
     prefixKeyLen = ucol_getSortKey(coll, buffer, unescapedLen, prefixKey, 256);
 
     unescapedLen = u_unescape(suffix, buffer, 256);
     suffixKeyLen = ucol_getSortKey(coll, buffer, unescapedLen, suffixKey, 256);
 
     log_verbose("Massaging data with prefixes and different strengths\n");
     strength = UCOL_PRIMARY;
     while(strength <= UCOL_IDENTICAL) {
       log_verbose("Strength %s\n", strengthsC[strength<=UCOL_QUATERNARY?strength:4]);
       ucol_setAttribute(coll, UCOL_STRENGTH, strength, &status);
       for(i = 0; i<casesSize; i++) {
         unescapedLen = u_unescape(cases[i], buffer, 256);
         sortKeysLen[i] = ucol_getSortKey(coll, buffer, unescapedLen, sortkeys[i], 256);
         ucol_mergeSortkeys(prefixKey, prefixKeyLen, sortkeys[i], sortKeysLen[i], mergedPrefixkeys[i], 256);
         ucol_mergeSortkeys(sortkeys[i], sortKeysLen[i], suffixKey, suffixKeyLen, mergedSuffixkeys[i], 256);
         if(i>0) {
           if(tMemCmp(mergedPrefixkeys[i-1], mergedPrefixkeys[i]) >= 0) {
             log_err("Error while comparing prefixed keys @ strength %s:\n", strengthsC[strength<=UCOL_QUATERNARY?strength:4]);
             log_err("%s\n%s\n", 
                         ucol_sortKeyToString(coll, mergedPrefixkeys[i-1], outBuff1, &l1),
                         ucol_sortKeyToString(coll, mergedPrefixkeys[i], outBuff2, &l2));
           }
           if(tMemCmp(mergedSuffixkeys[i-1], mergedSuffixkeys[i]) >= 0) {
             log_err("Error while comparing suffixed keys @ strength %s:\n", strengthsC[strength<=UCOL_QUATERNARY?strength:4]);
             log_err("%s\n%s\n", 
                         ucol_sortKeyToString(coll, mergedSuffixkeys[i-1], outBuff1, &l1),
                         ucol_sortKeyToString(coll, mergedSuffixkeys[i], outBuff2, &l2));
           }
         }
       }
       if(strength == UCOL_QUATERNARY) {
         strength = UCOL_IDENTICAL;
       } else {
         strength++;
       }
     }
 
     {
       uint8_t smallBuf[3];
       uint32_t reqLen = 0;
       log_verbose("testing buffer overflow\n");
       reqLen = ucol_mergeSortkeys(prefixKey, prefixKeyLen, suffixKey, suffixKeyLen, smallBuf, 3);
       if(reqLen != (prefixKeyLen+suffixKeyLen-1)) {
         log_err("Wrong preflight size for merged sortkey\n");
       }
     }
 
     {
       UChar empty = 0;
       uint8_t emptyKey[20], abcKey[50], mergedKey[100];
       int32_t emptyKeyLen = 0, abcKeyLen = 0, mergedKeyLen = 0;
 
       log_verbose("testing merging with sortkeys generated for empty strings\n");
       emptyKeyLen = ucol_getSortKey(coll, &empty, 0, emptyKey, 20);
       unescapedLen = u_unescape(cases[0], buffer, 256);
       abcKeyLen = ucol_getSortKey(coll, buffer, unescapedLen, abcKey, 50);
       mergedKeyLen = ucol_mergeSortkeys(emptyKey, emptyKeyLen, abcKey, abcKeyLen, mergedKey, 100);
       if(mergedKey[0] != 2) {
         log_err("Empty sortkey didn't produce a level separator\n");
       }
       /* try with zeros */
       mergedKeyLen = ucol_mergeSortkeys(emptyKey, 0, abcKey, abcKeyLen, mergedKey, 100);
       if(mergedKeyLen != 0 || mergedKey[0] != 0) {
         log_err("Empty key didn't produce null mergedKey\n");
       }
       mergedKeyLen = ucol_mergeSortkeys(abcKey, abcKeyLen, emptyKey, 0, mergedKey, 100);
       if(mergedKeyLen != 0 || mergedKey[0] != 0) {
         log_err("Empty key didn't produce null mergedKey\n");
       }
  
     }
 
     for(i = 0; i<casesSize; i++) {
       free(sortkeys[i]);
       free(mergedPrefixkeys[i]);
       free(mergedSuffixkeys[i]);
     }
     free(sortkeys);
     free(mergedPrefixkeys);
     free(mergedSuffixkeys);
     free(sortKeysLen);
     ucol_close(coll);
     /* need to finish this up */
   } else {
     log_data_err("Couldn't open collator");
   }
}
 
#endif /* #if !UCONFIG_NO_COLLATION */