Check in the pristine copy of ICU 4.6...

icu46/source/test/cintltst/cdattst.c

+/********************************************************************
+ * COPYRIGHT: 
+ * Copyright (c) 1997-2010, International Business Machines Corporation and
+ * others. All Rights Reserved.
+ ********************************************************************/
+/********************************************************************************
+*
+* File CDATTST.C
+*
+* Modification History:
+*        Name                     Description            
+*     Madhu Katragadda               Creation
+*********************************************************************************
+*/
+
+/* C API TEST FOR DATE FORMAT */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "unicode/uloc.h"
+#include "unicode/udat.h"
+#include "unicode/ucal.h"
+#include "unicode/unum.h"
+#include "unicode/ustring.h"
+#include "cintltst.h"
+#include "cdattst.h"
+#include "cformtst.h"
+#include "cmemory.h"
+
+#include <math.h>
+
+static void TestExtremeDates(void);
+static void TestAllLocales(void);
+static void TestRelativeCrash(void);
+
+#define LEN(a) (sizeof(a)/sizeof(a[0]))
+
+void addDateForTest(TestNode** root);
+
+#define TESTCASE(x) addTest(root, &x, "tsformat/cdattst/" #x)
+
+void addDateForTest(TestNode** root)
+{
+    TESTCASE(TestDateFormat);
+    TESTCASE(TestRelativeDateFormat);
+    TESTCASE(TestSymbols);
+    TESTCASE(TestDateFormatCalendar);
+    TESTCASE(TestExtremeDates);
+    TESTCASE(TestAllLocales);
+    TESTCASE(TestRelativeCrash);
+}
+/* Testing the DateFormat API */
+static void TestDateFormat()
+{
+    UDateFormat *def, *fr, *it, *de, *def1, *fr_pat;
+    UDateFormat *any;
+    UDateFormat *copy;
+    UErrorCode status = U_ZERO_ERROR;
+    UChar* result = NULL;
+    const UCalendar *cal;
+    const UNumberFormat *numformat1, *numformat2;
+    UChar temp[50];
+    int32_t numlocales;
+    UDate d1;
+    int i;
+    int32_t resultlength;
+    int32_t resultlengthneeded;
+    int32_t parsepos;
+    UDate d = 837039928046.0;
+    double num = -10456.37;
+    /*const char* str="yyyy.MM.dd G 'at' hh:mm:ss z";
+    const char t[]="2/3/76 2:50 AM";*/
+    /*Testing udat_open() to open a dateformat */
+
+    ctest_setTimeZone(NULL, &status);
+
+    log_verbose("\nTesting udat_open() with various parameters\n");
+    fr = udat_open(UDAT_FULL, UDAT_DEFAULT, "fr_FR", NULL,0, NULL, 0,&status);
+    if(U_FAILURE(status))
+    {
+        log_data_err("FAIL: error in creating the dateformat using full time style with french locale -> %s (Are you missing data?)\n", 
+            myErrorName(status) );
+        return;
+    }
+    /* 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" */
+    /* def = udat_open(UDAT_SHORT, UDAT_SHORT, NULL, NULL, 0, &status); */
+    def = udat_open(UDAT_SHORT, UDAT_SHORT, "en_US", NULL, 0,NULL, 0, &status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in creating the dateformat using short date and time style\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+    it = udat_open(UDAT_DEFAULT, UDAT_MEDIUM, "it_IT", NULL, 0, NULL, 0,&status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in creating the dateformat using medium date style with italian locale\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+    de = udat_open(UDAT_LONG, UDAT_LONG, "de_DE", NULL, 0, NULL, 0,&status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in creating the dateformat using long time and date styles with german locale\n %s\n",
+            myErrorName(status));
+        return;
+    }
+    /*creating a default dateformat */
+    def1 = udat_open(UDAT_SHORT, UDAT_SHORT, NULL, NULL, 0,NULL, 0, &status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in creating the dateformat using short date and time style\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+
+
+    /*Testing udat_getAvailable() and udat_countAvailable()*/ 
+    log_verbose("\nTesting getAvailableLocales and countAvailable()\n");
+    numlocales=udat_countAvailable();
+    /* use something sensible w/o hardcoding the count */
+    if(numlocales < 0)
+        log_data_err("FAIL: error in countAvailable\n");
+    log_verbose("The number of locales for which date/time formatting patterns are available is %d\n", numlocales);
+    
+    for(i=0;i<numlocales;i++) {
+      UErrorCode subStatus = U_ZERO_ERROR;
+      log_verbose("Testing open of %s\n", udat_getAvailable(i));
+      any = udat_open(UDAT_SHORT, UDAT_SHORT, udat_getAvailable(i), NULL ,0, NULL, 0, &subStatus);
+      if(U_FAILURE(subStatus)) {
+        log_data_err("FAIL: date format %s (getAvailable(%d)) is not instantiable: %s\n", udat_getAvailable(i), i, u_errorName(subStatus));
+      }
+      udat_close(any);
+    }
+
+    /*Testing udat_clone()*/
+    log_verbose("\nTesting the udat_clone() function of date format\n");
+    copy=udat_clone(def, &status);
+    if(U_FAILURE(status)){
+        log_err("Error in creating the clone using udat_clone: %s\n", myErrorName(status) );
+    }
+    /*if(def != copy)
+        log_err("Error in udat_clone");*/ /*how should i check for equality???? */
+    
+    /*Testing udat_format()*/
+    log_verbose("\nTesting the udat_format() function of date format\n");
+    u_uastrcpy(temp, "7/10/96 4:05 PM");
+    /*format using def */
+    resultlength=0;
+    resultlengthneeded=udat_format(def, d, NULL, resultlength, NULL, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthneeded+1;
+        if(result != NULL) {
+            free(result);
+            result = NULL;
+        }
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_format(def, d, result, resultlength, NULL, &status);
+    }
+    if(U_FAILURE(status) || !result)
+    {
+        log_err("FAIL: Error in formatting using udat_format(.....) %s\n", myErrorName(status) );
+        return;
+    }
+    else
+        log_verbose("PASS: formatting successful\n");
+    if(u_strcmp(result, temp)==0)
+        log_verbose("PASS: Date Format for US locale successful using udat_format()\n");
+    else {
+        char xbuf[2048];
+        char gbuf[2048];
+        u_austrcpy(xbuf, temp);
+        u_austrcpy(gbuf, result);
+        log_err("FAIL: Date Format for US locale failed using udat_format() - expected %s got %s\n", xbuf, gbuf);
+    }
+    /*format using fr */
+    
+    u_unescape("10 juil. 1996 16:05:28 heure avanc\\u00E9e du Pacifique", temp, 50);
+    if(result != NULL) {
+        free(result);
+        result = NULL;
+    }
+    result=myDateFormat(fr, d);
+    if(u_strcmp(result, temp)==0)
+        log_verbose("PASS: Date Format for french locale successful using udat_format()\n");
+    else
+        log_data_err("FAIL: Date Format for french locale failed using udat_format().\n" );
+
+    /*format using it */
+    u_uastrcpy(temp, "10/lug/1996 16:05:28");
+    
+    { 
+        UChar *fmtted;
+        char g[100];
+        char x[100];
+        
+        fmtted = myDateFormat(it,d);
+        u_austrcpy(g, fmtted);
+        u_austrcpy(x, temp);
+        if(u_strcmp(fmtted, temp)==0) {
+            log_verbose("PASS: Date Format for italian locale successful uisng udat_format() - wanted %s, got %s\n", x, g);
+        } else {
+            log_data_err("FAIL: Date Format for italian locale failed using udat_format() - wanted %s, got %s\n", x, g);
+        }
+    }
+    
+    /*Testing parsing using udat_parse()*/
+    log_verbose("\nTesting parsing using udat_parse()\n");
+    u_uastrcpy(temp,"2/3/76 2:50 AM");
+    parsepos=0;
+    status=U_ZERO_ERROR;
+    
+    d1=udat_parse(def, temp, u_strlen(temp), &parsepos, &status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: Error in parsing using udat_parse(.....) %s\n", myErrorName(status) );
+    }
+    else
+        log_verbose("PASS: parsing succesful\n");
+    /*format it back and check for equality */
+    
+    
+    if(u_strcmp(myDateFormat(def, d1),temp)!=0)
+        log_err("FAIL: error in parsing\n");
+
+    /*Testing parsing using udat_parse()*/
+    log_verbose("\nTesting parsing using udat_parse()\n");
+    u_uastrcpy(temp,"2/Don't parse this part");
+    status=U_ZERO_ERROR;
+    
+    d1=udat_parse(def, temp, u_strlen(temp), NULL, &status);
+    if(status != U_PARSE_ERROR)
+    {
+        log_err("FAIL: udat_parse(\"bad string\") passed when it should have failed\n");
+    }
+    else
+        log_verbose("PASS: parsing succesful\n");
+        
+        
+    
+    /*Testing udat_openPattern()  */
+    status=U_ZERO_ERROR;
+    log_verbose("\nTesting the udat_openPattern with a specified pattern\n");
+    /*for french locale */
+    fr_pat=udat_open(UDAT_IGNORE, UDAT_IGNORE,"fr_FR",NULL,0,temp, u_strlen(temp), &status);
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: Error in creating a date format using udat_openPattern \n %s\n", 
+            myErrorName(status) );
+    }
+    else
+        log_verbose("PASS: creating dateformat using udat_openPattern() succesful\n");
+
+    
+        /*Testing applyPattern and toPattern */
+    log_verbose("\nTesting applyPattern and toPattern()\n");
+    udat_applyPattern(def1, FALSE, temp, u_strlen(temp));
+    log_verbose("Extracting the pattern\n");
+
+    resultlength=0;
+    resultlengthneeded=udat_toPattern(def1, FALSE, NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthneeded + 1;
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_toPattern(def1, FALSE, result, resultlength, &status);
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in extracting the pattern from UNumberFormat\n %s\n", 
+            myErrorName(status) );
+    }
+    if(u_strcmp(result, temp)!=0)
+        log_err("FAIL: Error in extracting the pattern\n");
+    else
+        log_verbose("PASS: applyPattern and toPattern work fine\n");
+    
+    if(result != NULL) {
+        free(result);    
+        result = NULL;
+    }
+    
+    
+    /*Testing getter and setter functions*/
+    /*isLenient and setLenient()*/
+    log_verbose("\nTesting the isLenient and setLenient properties\n");
+    udat_setLenient(fr, udat_isLenient(it));
+    if(udat_isLenient(fr) != udat_isLenient(it)) 
+        log_err("ERROR: setLenient() failed\n");
+    else
+        log_verbose("PASS: setLenient() successful\n");
+
+
+    /*Test get2DigitYearStart set2DigitYearStart */
+    log_verbose("\nTesting the get and set 2DigitYearStart properties\n");
+    d1= udat_get2DigitYearStart(fr_pat,&status);
+    if(U_FAILURE(status)) {
+            log_err("ERROR: udat_get2DigitYearStart failed %s\n", myErrorName(status) );
+    }
+    status = U_ZERO_ERROR;
+    udat_set2DigitYearStart(def1 ,d1, &status);
+    if(U_FAILURE(status)) {
+        log_err("ERROR: udat_set2DigitYearStart failed %s\n", myErrorName(status) );
+    }
+    if(udat_get2DigitYearStart(fr_pat, &status) != udat_get2DigitYearStart(def1, &status))
+        log_err("FAIL: error in set2DigitYearStart\n");
+    else
+        log_verbose("PASS: set2DigitYearStart successful\n");
+    /*try setting it to another value */
+    udat_set2DigitYearStart(de, 2000.0, &status);
+    if(U_FAILURE(status)){
+        log_verbose("ERROR: udat_set2DigitYearStart failed %s\n", myErrorName(status) );
+    }
+    if(udat_get2DigitYearStart(de, &status) != 2000)
+        log_err("FAIL: error in set2DigitYearStart\n");
+    else
+        log_verbose("PASS: set2DigitYearStart successful\n");
+
+    
+
+    /*Test getNumberFormat() and setNumberFormat() */
+    log_verbose("\nTesting the get and set NumberFormat properties of date format\n");
+    numformat1=udat_getNumberFormat(fr_pat);
+    udat_setNumberFormat(def1, numformat1);
+    numformat2=udat_getNumberFormat(def1);
+    if(u_strcmp(myNumformat(numformat1, num), myNumformat(numformat2, num)) !=0)
+        log_err("FAIL: error in setNumberFormat or getNumberFormat()\n");
+    else
+        log_verbose("PASS:setNumberFormat and getNumberFormat succesful\n");
+
+    /*try setting the number format to another format */
+    numformat1=udat_getNumberFormat(def);
+    udat_setNumberFormat(def1, numformat1);
+    numformat2=udat_getNumberFormat(def1);
+    if(u_strcmp(myNumformat(numformat1, num), myNumformat(numformat2, num)) !=0)
+        log_err("FAIL: error in setNumberFormat or getNumberFormat()\n");
+    else
+        log_verbose("PASS: setNumberFormat and getNumberFormat succesful\n");
+
+
+
+    /*Test getCalendar and setCalendar*/
+    log_verbose("\nTesting the udat_getCalendar() and udat_setCalendar() properties\n");
+    cal=udat_getCalendar(fr_pat);
+    
+    
+    udat_setCalendar(def1, cal);
+    if(!ucal_equivalentTo(udat_getCalendar(fr_pat), udat_getCalendar(def1)))
+        log_err("FAIL: Error in setting and getting the calendar\n");
+    else
+        log_verbose("PASS: getting and setting calendar successful\n");
+        
+    if(result!=NULL) {
+        free(result);
+    }
+    
+    /*Closing the UDateForamt */
+    udat_close(def);
+    udat_close(fr);
+    udat_close(it);
+    udat_close(de);
+    udat_close(def1);
+    udat_close(fr_pat);
+    udat_close(copy);
+    
+    ctest_resetTimeZone();
+}
+
+/*
+Test combined relative date formatting (relative date + non-relative time).
+This is a bit tricky since we can't have static test data for comparison, the
+relative date formatting is relative to the time the tests are run. We generate
+the data for comparison dynamically. However, the tests could fail if they are
+run right at midnight Pacific time and the call to ucal_getNow() is before midnight
+while the calls to udat_format are after midnight or span midnight.
+*/
+static const UDate dayInterval = 24.0*60.0*60.0*1000.0;
+static const UChar trdfZone[] = { 0x0055, 0x0053, 0x002F, 0x0050, 0x0061, 0x0063, 0x0069, 0x0066, 0x0069, 0x0063, 0 }; /* US/Pacific */
+static const char trdfLocale[] = "en_US";
+static const UChar minutesPatn[] = { 0x006D, 0x006D, 0 }; /* "mm" */
+static const UChar monthLongPatn[] = { 0x004D, 0x004D, 0x004D, 0x004D, 0 }; /* "MMMM" */
+static const UChar monthMediumPatn[] = { 0x004D, 0x004D, 0x004D, 0 }; /* "MMM" */
+static const UChar monthShortPatn[] = { 0x004D, 0 }; /* "M" */
+static const UDateFormatStyle dateStylesList[] = { UDAT_FULL, UDAT_LONG, UDAT_MEDIUM, UDAT_SHORT, UDAT_NONE };
+static const UChar *monthPatnsList[] = { monthLongPatn, monthLongPatn, monthMediumPatn, monthShortPatn, NULL };
+static const UChar newTimePatn[] = { 0x0048, 0x0048, 0x002C, 0x006D, 0x006D, 0 }; /* "HH,mm" */
+static const UChar minutesStr[] = { 0x0034, 0x0039, 0 }; /* "49", minutes string to search for in output */
+enum { kDateOrTimeOutMax = 96, kDateAndTimeOutMax = 192 };
+
+static void TestRelativeDateFormat()
+{
+    UDate today = 0.0;
+    const UDateFormatStyle * stylePtr;
+    const UChar ** monthPtnPtr;
+    UErrorCode status = U_ZERO_ERROR;
+    UCalendar * ucal = ucal_open(trdfZone, -1, trdfLocale, UCAL_GREGORIAN, &status);
+    if ( U_SUCCESS(status) ) {
+        int32_t    year, month, day;
+        ucal_setMillis(ucal, ucal_getNow(), &status);
+        year = ucal_get(ucal, UCAL_YEAR, &status);
+        month = ucal_get(ucal, UCAL_MONTH, &status);
+        day = ucal_get(ucal, UCAL_DATE, &status);
+        ucal_setDateTime(ucal, year, month, day, 18, 49, 0, &status); /* set to today at 18:49:00 */
+        today = ucal_getMillis(ucal, &status);
+        ucal_close(ucal);
+    }
+    if ( U_FAILURE(status) || today == 0.0 ) {
+        log_data_err("Generate UDate for a specified time today fails, error %s - (Are you missing data?)\n", myErrorName(status) );
+        return;
+    }
+    for (stylePtr = dateStylesList, monthPtnPtr = monthPatnsList; *stylePtr != UDAT_NONE; ++stylePtr, ++monthPtnPtr) {
+        UDateFormat* fmtRelDateTime;
+        UDateFormat* fmtRelDate;
+        UDateFormat* fmtTime;
+        int32_t dayOffset, limit;
+        UFieldPosition fp;
+                UChar   strDateTime[kDateAndTimeOutMax];
+                UChar   strDate[kDateOrTimeOutMax];
+                UChar   strTime[kDateOrTimeOutMax];
+                UChar * strPtr;
+        int32_t dtpatLen;
+
+        fmtRelDateTime = udat_open(UDAT_SHORT, *stylePtr | UDAT_RELATIVE, trdfLocale, trdfZone, -1, NULL, 0, &status);
+        if ( U_FAILURE(status) ) {
+            log_data_err("udat_open timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s (Are you missing data?)\n", *stylePtr, myErrorName(status) );
+            continue;
+        }
+        fmtRelDate = udat_open(UDAT_NONE, *stylePtr | UDAT_RELATIVE, trdfLocale, trdfZone, -1, NULL, 0, &status);
+        if ( U_FAILURE(status) ) {
+            log_err("udat_open timeStyle NONE dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+            udat_close(fmtRelDateTime);
+            continue;
+        }
+        fmtTime = udat_open(UDAT_SHORT, UDAT_NONE, trdfLocale, trdfZone, -1, NULL, 0, &status);
+        if ( U_FAILURE(status) ) {
+            log_err("udat_open timeStyle SHORT dateStyle NONE fails, error %s\n", myErrorName(status) );
+            udat_close(fmtRelDateTime);
+            udat_close(fmtRelDate);
+            continue;
+        }
+
+        dtpatLen = udat_toPatternRelativeDate(fmtRelDateTime, strDate, kDateAndTimeOutMax, &status);
+        if ( U_FAILURE(status) ) {
+                log_err("udat_toPatternRelativeDate timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                status = U_ZERO_ERROR;
+        } else if ( u_strstr(strDate, *monthPtnPtr) == NULL || dtpatLen != u_strlen(strDate) ) {
+                log_err("udat_toPatternRelativeDate timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) date pattern incorrect\n", *stylePtr );
+        }
+        dtpatLen = udat_toPatternRelativeTime(fmtRelDateTime, strTime, kDateAndTimeOutMax, &status);
+        if ( U_FAILURE(status) ) {
+                log_err("udat_toPatternRelativeTime timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                status = U_ZERO_ERROR;
+        } else if ( u_strstr(strTime, minutesPatn) == NULL || dtpatLen != u_strlen(strTime) ) {
+                log_err("udat_toPatternRelativeTime timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) time pattern incorrect\n", *stylePtr );
+        }
+        dtpatLen = udat_toPattern(fmtRelDateTime, FALSE, strDateTime, kDateAndTimeOutMax, &status);
+        if ( U_FAILURE(status) ) {
+                log_err("udat_toPattern timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                status = U_ZERO_ERROR;
+        } else if ( u_strstr(strDateTime, strDate) == NULL || u_strstr(strDateTime, strTime) == NULL || dtpatLen != u_strlen(strDateTime) ) {
+                log_err("udat_toPattern timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) dateTime pattern incorrect\n", *stylePtr );
+        }
+        udat_applyPatternRelative(fmtRelDateTime, strDate, u_strlen(strDate), newTimePatn, u_strlen(newTimePatn), &status);
+        if ( U_FAILURE(status) ) {
+                log_err("udat_applyPatternRelative timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                status = U_ZERO_ERROR;
+        } else {
+                udat_toPattern(fmtRelDateTime, FALSE, strDateTime, kDateAndTimeOutMax, &status);
+                if ( U_FAILURE(status) ) {
+                        log_err("udat_toPattern timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                        status = U_ZERO_ERROR;
+                } else if ( u_strstr(strDateTime, newTimePatn) == NULL ) {
+                        log_err("udat_applyPatternRelative timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) didn't update time pattern\n", *stylePtr );
+                }
+        }
+        udat_applyPatternRelative(fmtRelDateTime, strDate, u_strlen(strDate), strTime, u_strlen(strTime), &status); /* restore original */
+
+        fp.field = UDAT_MINUTE_FIELD;
+        for (dayOffset = -2, limit = 2; dayOffset <= limit; ++dayOffset) {
+            UDate   dateToUse = today + (float)dayOffset*dayInterval;
+
+            udat_format(fmtRelDateTime, dateToUse, strDateTime, kDateAndTimeOutMax, &fp, &status);
+            if ( U_FAILURE(status) ) {
+                log_err("udat_format timeStyle SHORT dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                status = U_ZERO_ERROR;
+            } else {
+                udat_format(fmtRelDate, dateToUse, strDate, kDateOrTimeOutMax, NULL, &status);
+                if ( U_FAILURE(status) ) {
+                    log_err("udat_format timeStyle NONE dateStyle (%d | UDAT_RELATIVE) fails, error %s\n", *stylePtr, myErrorName(status) );
+                    status = U_ZERO_ERROR;
+                } else if ( u_strstr(strDateTime, strDate) == NULL ) {
+                    log_err("relative date string not found in udat_format timeStyle SHORT dateStyle (%d | UDAT_RELATIVE)\n", *stylePtr );
+                }
+
+                udat_format(fmtTime, dateToUse, strTime, kDateOrTimeOutMax, NULL, &status);
+                if ( U_FAILURE(status) ) {
+                    log_err("udat_format timeStyle SHORT dateStyle NONE fails, error %s\n", myErrorName(status) );
+                    status = U_ZERO_ERROR;
+                } else if ( u_strstr(strDateTime, strTime) == NULL ) {
+                    log_err("time string not found in udat_format timeStyle SHORT dateStyle (%d | UDAT_RELATIVE)\n", *stylePtr );
+                }
+
+                strPtr = u_strstr(strDateTime, minutesStr);
+                if ( strPtr != NULL ) {
+                    int32_t beginIndex = strPtr - strDateTime;
+                    if ( fp.beginIndex != beginIndex ) {
+                        log_err("UFieldPosition beginIndex %d, expected %d, in udat_format timeStyle SHORT dateStyle (%d | UDAT_RELATIVE)\n", fp.beginIndex, beginIndex, *stylePtr );
+                    }
+                } else {
+                    log_err("minutes string not found in udat_format timeStyle SHORT dateStyle (%d | UDAT_RELATIVE)\n", *stylePtr );
+                }
+            }
+        }
+
+        udat_close(fmtRelDateTime);
+        udat_close(fmtRelDate);
+        udat_close(fmtTime);
+     }
+}
+
+/*Testing udat_getSymbols() and udat_setSymbols() and udat_countSymbols()*/
+static void TestSymbols()
+{
+    UDateFormat *def, *fr;
+    UErrorCode status = U_ZERO_ERROR;
+    UChar *value=NULL; 
+    UChar *result = NULL;
+    int32_t resultlength;
+    int32_t resultlengthout;
+    UChar *pattern;
+        
+
+    /*creating a dateformat with french locale */
+    log_verbose("\ncreating a date format with french locale\n");
+    fr = udat_open(UDAT_FULL, UDAT_DEFAULT, "fr_FR", NULL, 0, NULL, 0, &status);
+    if(U_FAILURE(status))
+    {
+        log_data_err("error in creating the dateformat using full time style with french locale -> %s (Are you missing data?)\n", 
+            myErrorName(status) );
+        return;
+    }
+    /*creating a default dateformat */
+    log_verbose("\ncreating a date format with default locale\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" */
+    /* def = udat_open(UDAT_DEFAULT,UDAT_DEFAULT ,NULL, NULL, 0, &status); */
+    def = udat_open(UDAT_DEFAULT,UDAT_DEFAULT ,"en_US", NULL, 0, NULL, 0, &status);
+    if(U_FAILURE(status))
+    {
+        log_err("error in creating the dateformat using short date and time style\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+    
+    
+    /*Testing countSymbols, getSymbols and setSymbols*/
+    log_verbose("\nTesting countSymbols\n");
+    /*since the month names has the last string empty and week names are 1 based 1.e first string in the weeknames array is empty */
+    if(udat_countSymbols(def, UDAT_ERAS)!=2 || udat_countSymbols(def, UDAT_MONTHS)!=12 || 
+        udat_countSymbols(def, UDAT_SHORT_MONTHS)!=12 || udat_countSymbols(def, UDAT_WEEKDAYS)!=8 ||
+        udat_countSymbols(def, UDAT_SHORT_WEEKDAYS)!=8 || udat_countSymbols(def, UDAT_AM_PMS)!=2 ||
+        udat_countSymbols(def, UDAT_QUARTERS) != 4 || udat_countSymbols(def, UDAT_SHORT_QUARTERS) != 4 ||
+        udat_countSymbols(def, UDAT_LOCALIZED_CHARS)!=1)
+    {
+        log_err("FAIL: error in udat_countSymbols\n");
+    }
+    else
+        log_verbose("PASS: udat_countSymbols() successful\n");
+
+    /*testing getSymbols*/
+    log_verbose("\nTesting getSymbols\n");
+    pattern=(UChar*)malloc(sizeof(UChar) * 10);
+    u_uastrcpy(pattern, "jeudi");
+    resultlength=0;
+    resultlengthout=udat_getSymbols(fr, UDAT_WEEKDAYS, 5 , NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        if(result != NULL) {
+            free(result);
+            result = NULL;
+        }
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(fr, UDAT_WEEKDAYS, 5, result, resultlength, &status);
+        
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: Error in udat_getSymbols().... %s\n", myErrorName(status) );
+    }
+    else
+        log_verbose("PASS: getSymbols succesful\n");
+
+    if(u_strcmp(result, pattern)==0)
+        log_verbose("PASS: getSymbols retrieved the right value\n");
+    else
+        log_data_err("FAIL: getSymbols retrieved the wrong value\n");
+
+    /*run series of tests to test getsymbols regressively*/
+    log_verbose("\nTesting getSymbols() regressively\n");
+    VerifygetSymbols(fr, UDAT_WEEKDAYS, 1, "dimanche");
+    VerifygetSymbols(def, UDAT_WEEKDAYS, 1, "Sunday");
+    VerifygetSymbols(fr, UDAT_SHORT_WEEKDAYS, 7, "sam.");
+    VerifygetSymbols(def, UDAT_SHORT_WEEKDAYS, 7, "Sat");
+    VerifygetSymbols(def, UDAT_MONTHS, 11, "December");
+    VerifygetSymbols(def, UDAT_MONTHS, 0, "January");
+    VerifygetSymbols(fr, UDAT_ERAS, 0, "av. J.-C.");
+    VerifygetSymbols(def, UDAT_AM_PMS, 0, "AM");
+    VerifygetSymbols(def, UDAT_AM_PMS, 1, "PM");
+    VerifygetSymbols(fr, UDAT_SHORT_MONTHS, 0, "janv.");
+    VerifygetSymbols(def, UDAT_SHORT_MONTHS, 11, "Dec");
+    VerifygetSymbols(fr, UDAT_QUARTERS, 0, "1er trimestre");
+    VerifygetSymbols(def, UDAT_QUARTERS, 3, "4th quarter");
+    VerifygetSymbols(fr, UDAT_SHORT_QUARTERS, 1, "T2");
+    VerifygetSymbols(def, UDAT_SHORT_QUARTERS, 2, "Q3");
+    VerifygetSymbols(def,UDAT_LOCALIZED_CHARS, 0, "GyMdkHmsSEDFwWahKzYeugAZvcLQqV");
+
+
+    if(result != NULL) {
+        free(result);
+        result = NULL;
+    }
+free(pattern);    
+    
+    log_verbose("\nTesting setSymbols\n");
+    /*applying the pattern so that setSymbolss works */
+    resultlength=0;
+    resultlengthout=udat_toPattern(fr, FALSE, NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout + 1;
+        pattern=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_toPattern(fr, FALSE, pattern, resultlength, &status);
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in extracting the pattern from UNumberFormat\n %s\n", 
+            myErrorName(status) );
+    }
+    
+    udat_applyPattern(def, FALSE, pattern, u_strlen(pattern));
+    resultlength=0;
+    resultlengthout=udat_toPattern(def, FALSE, NULL, resultlength,&status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout + 1;
+        if(result != NULL) {
+            free(result);
+            result = NULL;
+        }
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_toPattern(fr, FALSE,result, resultlength, &status);
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: error in extracting the pattern from UNumberFormat\n %s\n", 
+            myErrorName(status) );
+    }
+    if(u_strcmp(result, pattern)==0)
+        log_verbose("Pattern applied properly\n");
+    else
+        log_err("pattern could not be applied properly\n");
+
+free(pattern);
+    /*testing set symbols */
+    resultlength=0;
+    resultlengthout=udat_getSymbols(fr, UDAT_MONTHS, 11 , NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR){
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        if(result != NULL) {
+            free(result);
+            result = NULL;
+        }
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(fr, UDAT_MONTHS, 11, result, resultlength, &status);
+        
+    }
+    if(U_FAILURE(status))
+        log_err("FAIL: error in getSymbols() %s\n", myErrorName(status) );
+    resultlength=resultlengthout+1;
+    
+    udat_setSymbols(def, UDAT_MONTHS, 11, result, resultlength, &status);
+    if(U_FAILURE(status))
+        {
+            log_err("FAIL: Error in udat_setSymbols() : %s\n", myErrorName(status) );
+        }
+    else
+        log_verbose("PASS: SetSymbols successful\n");
+    
+    resultlength=0;
+    resultlengthout=udat_getSymbols(def, UDAT_MONTHS, 11, NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR){
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        value=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(def, UDAT_MONTHS, 11, value, resultlength, &status);
+    }
+    if(U_FAILURE(status))
+        log_err("FAIL: error in retrieving the value using getSymbols i.e roundtrip\n");
+    
+    if(u_strcmp(result, value)!=0)
+        log_data_err("FAIL: Error in settting and getting symbols\n");
+    else
+        log_verbose("PASS: setSymbols successful\n");
+    
+    
+    /*run series of tests to test setSymbols regressively*/
+    log_verbose("\nTesting setSymbols regressively\n");
+    VerifysetSymbols(def, UDAT_ERAS, 0, "BeforeChrist");
+    VerifysetSymbols(def, UDAT_ERA_NAMES, 1, "AnnoDomini");
+    VerifysetSymbols(def, UDAT_WEEKDAYS, 1, "Sundayweek");
+    VerifysetSymbols(def, UDAT_SHORT_WEEKDAYS, 7, "Satweek");
+    VerifysetSymbols(def, UDAT_NARROW_WEEKDAYS, 4, "M");
+    VerifysetSymbols(def, UDAT_STANDALONE_WEEKDAYS, 1, "Sonntagweek");
+    VerifysetSymbols(def, UDAT_STANDALONE_SHORT_WEEKDAYS, 7, "Sams");
+    VerifysetSymbols(def, UDAT_STANDALONE_NARROW_WEEKDAYS, 4, "V");
+    VerifysetSymbols(fr, UDAT_MONTHS, 11, "december");
+    VerifysetSymbols(fr, UDAT_SHORT_MONTHS, 0, "Jan");
+    VerifysetSymbols(fr, UDAT_NARROW_MONTHS, 1, "R");
+    VerifysetSymbols(fr, UDAT_STANDALONE_MONTHS, 11, "dezember");
+    VerifysetSymbols(fr, UDAT_STANDALONE_SHORT_MONTHS, 7, "Aug");
+    VerifysetSymbols(fr, UDAT_STANDALONE_NARROW_MONTHS, 2, "M");
+    VerifysetSymbols(fr, UDAT_QUARTERS, 0, "1. Quart");
+    VerifysetSymbols(fr, UDAT_SHORT_QUARTERS, 1, "QQ2");
+    VerifysetSymbols(fr, UDAT_STANDALONE_QUARTERS, 2, "3rd Quar.");
+    VerifysetSymbols(fr, UDAT_STANDALONE_SHORT_QUARTERS, 3, "4QQ");
+
+    
+    /*run series of tests to test get and setSymbols regressively*/
+    log_verbose("\nTesting get and set symbols regressively\n");
+    VerifygetsetSymbols(fr, def, UDAT_WEEKDAYS, 1);
+    VerifygetsetSymbols(fr, def, UDAT_WEEKDAYS, 7);
+    VerifygetsetSymbols(fr, def, UDAT_SHORT_WEEKDAYS, 1);
+    VerifygetsetSymbols(fr, def, UDAT_SHORT_WEEKDAYS, 7);
+    VerifygetsetSymbols(fr, def, UDAT_MONTHS, 0);
+    VerifygetsetSymbols(fr, def, UDAT_SHORT_MONTHS, 0);
+    VerifygetsetSymbols(fr, def, UDAT_ERAS,1);
+    VerifygetsetSymbols(fr, def, UDAT_LOCALIZED_CHARS, 0);
+    VerifygetsetSymbols(fr, def, UDAT_AM_PMS, 1);
+
+
+    /*closing*/
+    
+    udat_close(fr);
+    udat_close(def);
+    if(result != NULL) {
+        free(result);
+        result = NULL;
+    }
+    free(value);
+    
+}
+
+/**
+ * Test DateFormat(Calendar) API
+ */
+static void TestDateFormatCalendar() {
+    UDateFormat *date=0, *time=0, *full=0;
+    UCalendar *cal=0;
+    UChar buf[256];
+    char cbuf[256];
+    int32_t pos;
+    UDate when;
+    UErrorCode ec = U_ZERO_ERROR;
+
+    ctest_setTimeZone(NULL, &ec);
+
+    /* Create a formatter for date fields. */
+    date = udat_open(UDAT_NONE, UDAT_SHORT, "en_US", NULL, 0, NULL, 0, &ec);
+    if (U_FAILURE(ec)) {
+        log_data_err("FAIL: udat_open(NONE, SHORT, en_US) failed with %s (Are you missing data?)\n", 
+                u_errorName(ec));
+        goto FAIL;
+    }
+
+    /* Create a formatter for time fields. */
+    time = udat_open(UDAT_SHORT, UDAT_NONE, "en_US", NULL, 0, NULL, 0, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: udat_open(SHORT, NONE, en_US) failed with %s\n", 
+                u_errorName(ec));
+        goto FAIL;
+    }
+
+    /* Create a full format for output */
+    full = udat_open(UDAT_FULL, UDAT_FULL, "en_US", NULL, 0, NULL, 0, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: udat_open(FULL, FULL, en_US) failed with %s\n", 
+                u_errorName(ec));
+        goto FAIL;
+    }
+
+    /* Create a calendar */
+    cal = ucal_open(NULL, 0, "en_US", UCAL_GREGORIAN, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: ucal_open(en_US) failed with %s\n", 
+                u_errorName(ec));
+        goto FAIL;
+    }
+
+    /* Parse the date */
+    ucal_clear(cal);
+    u_uastrcpy(buf, "4/5/2001");
+    pos = 0;
+    udat_parseCalendar(date, cal, buf, -1, &pos, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: udat_parseCalendar(4/5/2001) failed at %d with %s\n",
+                pos, u_errorName(ec));
+        goto FAIL;
+    }
+
+    /* Parse the time */
+    u_uastrcpy(buf, "5:45 PM");
+    pos = 0;
+    udat_parseCalendar(time, cal, buf, -1, &pos, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: udat_parseCalendar(17:45) failed at %d with %s\n",
+                pos, u_errorName(ec));
+        goto FAIL;
+    }
+    
+    /* Check result */
+    when = ucal_getMillis(cal, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: ucal_getMillis() failed with %s\n", u_errorName(ec));
+        goto FAIL;
+    }
+    udat_format(full, when, buf, sizeof(buf), NULL, &ec);
+    if (U_FAILURE(ec)) {
+        log_err("FAIL: udat_format() failed with %s\n", u_errorName(ec));
+        goto FAIL;
+    }
+    u_austrcpy(cbuf, buf);
+    /* Thursday, April 5, 2001 5:45:00 PM PDT 986517900000 */
+    if (when == 986517900000.0) {
+        log_verbose("Ok: Parsed result: %s\n", cbuf);
+    } else {
+        log_err("FAIL: Parsed result: %s, exp 4/5/2001 5:45 PM\n", cbuf);
+    }
+
+ FAIL:    
+    udat_close(date);
+    udat_close(time);
+    udat_close(full);
+    ucal_close(cal);
+
+    ctest_resetTimeZone();
+}
+
+/*INTERNAL FUNCTIONS USED*/
+/* N.B.:  use idx instead of index to avoid 'shadow' warnings in strict mode. */
+static void VerifygetSymbols(UDateFormat* datfor, UDateFormatSymbolType type, int32_t idx, const char* expected)
+{
+    UChar *pattern=NULL;
+    UErrorCode status = U_ZERO_ERROR;
+    UChar *result=NULL;
+    int32_t resultlength, resultlengthout;
+
+    
+    pattern=(UChar*)malloc(sizeof(UChar) * (strlen(expected)+1));
+    u_uastrcpy(pattern, expected);
+    resultlength=0;
+    resultlengthout=udat_getSymbols(datfor, type, idx , NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(datfor, type, idx, result, resultlength, &status);
+        
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: Error in udat_getSymbols()... %s\n", myErrorName(status) );
+        return;
+    }
+    if(u_strcmp(result, pattern)==0)
+        log_verbose("PASS: getSymbols retrieved the right value\n");
+    else{
+        log_data_err("FAIL: getSymbols retrieved the wrong value\n Expected %s Got %s\n", austrdup(pattern), 
+            austrdup(result) );
+    }
+    free(result);
+    free(pattern);
+}
+
+static void VerifysetSymbols(UDateFormat* datfor, UDateFormatSymbolType type, int32_t idx, const char* expected)
+{
+    UChar *result=NULL;
+    UChar *value=NULL;
+    int32_t resultlength, resultlengthout;
+    UErrorCode status = U_ZERO_ERROR;
+
+    value=(UChar*)malloc(sizeof(UChar) * (strlen(expected) + 1));
+    u_uastrcpy(value, expected);
+    udat_setSymbols(datfor, type, idx, value, u_strlen(value), &status);
+    if(U_FAILURE(status))
+        {
+            log_err("FAIL: Error in udat_setSymbols()  %s\n", myErrorName(status) );
+            return;
+        }
+
+    resultlength=0;
+    resultlengthout=udat_getSymbols(datfor, type, idx, NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR){
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(datfor, type, idx, result, resultlength, &status);
+    }
+    if(U_FAILURE(status)){
+        log_err("FAIL: error in retrieving the value using getSymbols after setting it previously\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+    
+    if(u_strcmp(result, value)!=0){
+        log_err("FAIL:Error in setting and then getting symbols\n Expected %s Got %s\n", austrdup(value),
+            austrdup(result) );
+    }
+    else
+        log_verbose("PASS: setSymbols successful\n");
+
+    free(value);
+    free(result);
+}
+
+
+static void VerifygetsetSymbols(UDateFormat* from, UDateFormat* to, UDateFormatSymbolType type, int32_t idx)
+{
+    UChar *result=NULL;
+    UChar *value=NULL;
+    int32_t resultlength, resultlengthout;
+    UErrorCode status = U_ZERO_ERROR;
+    
+    resultlength=0;
+    resultlengthout=udat_getSymbols(from, type, idx , NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR){
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        result=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(from, type, idx, result, resultlength, &status);
+    }
+    if(U_FAILURE(status)){
+        log_err("FAIL: error in getSymbols() %s\n", myErrorName(status) );
+        return;
+    }
+    
+    resultlength=resultlengthout+1;
+    udat_setSymbols(to, type, idx, result, resultlength, &status);
+    if(U_FAILURE(status))
+        {
+            log_err("FAIL: Error in udat_setSymbols() : %s\n", myErrorName(status) );
+            return;
+        }
+
+    resultlength=0;
+    resultlengthout=udat_getSymbols(to, type, idx, NULL, resultlength, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR){
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthout+1;
+        value=(UChar*)malloc(sizeof(UChar) * resultlength);
+        udat_getSymbols(to, type, idx, value, resultlength, &status);
+    }
+    if(U_FAILURE(status)){
+        log_err("FAIL: error in retrieving the value using getSymbols i.e roundtrip\n %s\n", 
+            myErrorName(status) );
+        return;
+    }
+    
+    if(u_strcmp(result, value)!=0){
+        log_data_err("FAIL:Error in setting and then getting symbols\n Expected %s Got %s\n", austrdup(result),
+            austrdup(value) );
+    }
+    else
+        log_verbose("PASS: setSymbols successful\n");
+
+    free(value);
+    free(result);
+}
+
+
+static UChar* myNumformat(const UNumberFormat* numfor, double d)
+{
+    UChar *result2=NULL;
+    int32_t resultlength, resultlengthneeded;
+    UErrorCode status = U_ZERO_ERROR;
+    
+    resultlength=0;
+    resultlengthneeded=unum_formatDouble(numfor, d, NULL, resultlength, NULL, &status);
+    if(status==U_BUFFER_OVERFLOW_ERROR)
+    {
+        status=U_ZERO_ERROR;
+        resultlength=resultlengthneeded+1;
+        /*result2=(UChar*)malloc(sizeof(UChar) * resultlength);*/ /* this leaks */
+        result2=(UChar*)ctst_malloc(sizeof(UChar) * resultlength); /*this won't*/
+        unum_formatDouble(numfor, d, result2, resultlength, NULL, &status);
+    }
+    if(U_FAILURE(status))
+    {
+        log_err("FAIL: Error in formatting using unum_format(.....) %s\n", myErrorName(status) );
+        return 0;
+    }
+    
+    return result2;
+}
+
+/**
+ * The search depth for TestExtremeDates.  The total number of
+ * dates that will be tested is (2^EXTREME_DATES_DEPTH) - 1.
+ */
+#define EXTREME_DATES_DEPTH 8
+
+/**
+ * Support for TestExtremeDates (below).
+ *
+ * Test a single date to see whether udat_format handles it properly.
+ */
+static UBool _aux1ExtremeDates(UDateFormat* fmt, UDate date,
+                               UChar* buf, int32_t buflen, char* cbuf,
+                               UErrorCode* ec) {
+    int32_t len = udat_format(fmt, date, buf, buflen, 0, ec);
+    if (!assertSuccess("udat_format", ec)) return FALSE;
+    u_austrncpy(cbuf, buf, buflen);
+    if (len < 4) {
+        log_err("FAIL: udat_format(%g) => \"%s\"\n", date, cbuf);
+    } else {
+        log_verbose("udat_format(%g) => \"%s\"\n", date, cbuf);
+    }
+    return TRUE;
+}
+
+/**
+ * Support for TestExtremeDates (below).
+ *
+ * Recursively test between 'small' and 'large', up to the depth
+ * limit specified by EXTREME_DATES_DEPTH.
+ */
+static UBool _aux2ExtremeDates(UDateFormat* fmt, UDate small, UDate large,
+                               UChar* buf, int32_t buflen, char* cbuf,
+                               int32_t count,
+                               UErrorCode* ec) {
+    /* Logarithmic midpoint; see below */
+    UDate mid = (UDate) exp((log(small) + log(large)) / 2);
+    if (count == EXTREME_DATES_DEPTH) {
+        return TRUE;
+    }
+    return
+        _aux1ExtremeDates(fmt, mid, buf, buflen, cbuf, ec) &&
+        _aux2ExtremeDates(fmt, small, mid, buf, buflen, cbuf, count+1, ec) &&
+        _aux2ExtremeDates(fmt, mid, large, buf, buflen, cbuf, count+1, ec);
+}
+
+/**
+ * http://www.jtcsv.com/cgibin/icu-bugs?findid=3659
+ *
+ * For certain large dates, udat_format crashes on MacOS.  This test
+ * attempts to reproduce this problem by doing a recursive logarithmic*
+ * binary search of a predefined interval (from 'small' to 'large').
+ *
+ * The limit of the search is given by EXTREME_DATES_DEPTH, above.
+ *
+ * *The search has to be logarithmic, not linear.  A linear search of the
+ *  range 0..10^30, for example, will find 0.5*10^30, then 0.25*10^30 and
+ *  0.75*10^30, etc.  A logarithmic search will find 10^15, then 10^7.5
+ *  and 10^22.5, etc.
+ */
+static void TestExtremeDates() {
+    UDateFormat *fmt;
+    UErrorCode ec;
+    UChar buf[256];
+    char cbuf[256];
+    const double small = 1000; /* 1 sec */
+    const double large = 1e+30; /* well beyond usable UDate range */
+
+    /* There is no need to test larger values from 1e+30 to 1e+300;
+       the failures occur around 1e+27, and never above 1e+30. */
+    
+    ec = U_ZERO_ERROR;
+    fmt = udat_open(UDAT_LONG, UDAT_LONG, "en_US",
+                    0, 0, 0, 0, &ec);
+    if (U_FAILURE(ec)) {
+        log_data_err("FAIL: udat_open (%s) (Are you missing data?)\n", u_errorName(ec));
+        return;
+    }
+
+    _aux2ExtremeDates(fmt, small, large, buf, LEN(buf), cbuf, 0, &ec);
+
+    udat_close(fmt);
+}
+
+static void TestAllLocales(void) {
+    int32_t idx, dateIdx, timeIdx, localeCount;
+    static const UDateFormatStyle style[] = {
+        UDAT_FULL, UDAT_LONG, UDAT_MEDIUM, UDAT_SHORT
+    };
+    localeCount = uloc_countAvailable();
+    for (idx = 0; idx < localeCount; idx++) {
+        for (dateIdx = 0; dateIdx < (int32_t)(sizeof(style)/sizeof(style[0])); dateIdx++) {
+            for (timeIdx = 0; timeIdx < (int32_t)(sizeof(style)/sizeof(style[0])); timeIdx++) {
+                UErrorCode status = U_ZERO_ERROR;
+                udat_close(udat_open(style[dateIdx], style[timeIdx],
+                    uloc_getAvailable(idx), NULL, 0, NULL, 0, &status));
+                if (U_FAILURE(status)) {
+                    log_err("FAIL: udat_open(%s) failed with (%s) dateIdx=%d, timeIdx=%d\n",
+                        uloc_getAvailable(idx), u_errorName(status), dateIdx, timeIdx);
+                }
+            }
+        }
+    }
+}
+
+static void TestRelativeCrash(void) {
+       static const UChar tzName[] = { 0x0055, 0x0053, 0x002F, 0x0050, 0x0061, 0x0063, 0x0069, 0x0066, 0x0069, 0x0063, 0 };
+       static const UDate aDate = -631152000000.0;
+
+    UErrorCode status = U_ZERO_ERROR;
+    UErrorCode expectStatus = U_ILLEGAL_ARGUMENT_ERROR;
+    UDateFormat icudf;
+
+    icudf = udat_open(UDAT_NONE, UDAT_SHORT_RELATIVE, "en", tzName, -1, NULL, 0, &status);
+    if ( U_SUCCESS(status) ) {
+        const char *what = "???";
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_set2DigitYearStart";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_set2DigitYearStart(icudf, aDate, &subStatus); 
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            /* clone works polymorphically. try it anyways */
+            UErrorCode subStatus = U_ZERO_ERROR;
+            UDateFormat *oth;
+            what = "clone";
+            log_verbose("Trying %s on a relative date..\n", what);
+            oth = udat_clone(icudf, &subStatus);
+            if(subStatus == U_ZERO_ERROR) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+                udat_close(oth); /* ? */
+            } else {
+                log_err("FAIL: didn't crash on %s, but got  %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_get2DigitYearStart";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_get2DigitYearStart(icudf, &subStatus); 
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            /* Now udat_toPattern works for relative date formatters, unless localized is TRUE */
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_toPattern";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_toPattern(icudf, TRUE,NULL,0, &subStatus); 
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_applyPattern";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_applyPattern(icudf, FALSE,tzName,-1); 
+            subStatus = U_ILLEGAL_ARGUMENT_ERROR; /* what it should be, if this took an errorcode. */
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_getSymbols";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_getSymbols(icudf, UDAT_ERAS,0,NULL,0, &subStatus);  /* bogus values */
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            UChar symbolValue = 0x0041;
+            what = "udat_setSymbols";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_setSymbols(icudf, UDAT_ERAS,0,&symbolValue,1, &subStatus);  /* bogus values */
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        {
+            UErrorCode subStatus = U_ZERO_ERROR;
+            what = "udat_countSymbols";
+            log_verbose("Trying %s on a relative date..\n", what);
+            udat_countSymbols(icudf, UDAT_ERAS); 
+            subStatus = U_ILLEGAL_ARGUMENT_ERROR; /* should have an errorcode. */
+            if(subStatus == expectStatus) {
+                log_verbose("Success: did not crash on %s, but got %s.\n", what, u_errorName(subStatus));
+            } else {
+                log_err("FAIL: didn't crash on %s, but got success %s instead of %s. \n", what, u_errorName(subStatus), u_errorName(expectStatus));
+            }            
+        }
+        
+        udat_close(icudf);
+    } else {
+         log_data_err("FAIL: err calling udat_open() ->%s (Are you missing data?)\n", u_errorName(status));
+    }
+}
+
+#endif /* #if !UCONFIG_NO_FORMATTING */