/*
 * Copyright (C) 2007 Pleyo.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Pleyo nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PLEYO AND ITS CONTRIBUTORS "AS IS" AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL PLEYO OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
// FIXME SRO this unit test test only non BALified ICU version and doesn't compile when __BAL_I18N__ compile flag is on !
#undef __BAL_I18N__
#include "kjs/wk_config.h"
#include "BALConfiguration.h"

#include "BIInternationalization.h"

#include "TestManager/TestManager.h"

#include <stdio.h>

#define LENGTHOF(array) (sizeof(array)/sizeof((array)[0]))
using namespace BAL;
using namespace WebCore;

// default converter for the platform encoding
static UConverter *cnv=NULL;

static const UChar readonly[]={
    0x61, 0x31, 0x20ac
};
static UChar writeable[]={
    0x62, 0x32, 0xdbc0, 0xdc01 // includes a surrogate pair for a supplementary code point
};

class InternationalizationTest {
public:

    static void setUp()
    {
        // do nothing
    }

    static void tearDown()
    {
        // do nothing
    }




    static void
    printUString(const char *announce, const UChar *s, int32_t length) {
        static char out[200];
        UChar32 c;
        int32_t i;
        UErrorCode errorCode=U_ZERO_ERROR;

        /*
        * Convert to the "platform encoding". See notes in printUnicodeString().
        * ucnv_fromUChars(), like most ICU APIs understands length==-1
        * to mean that the string is NUL-terminated.
        */
        ucnv_fromUChars(cnv, out, sizeof(out), s, length, &errorCode);
        TestManager::AssertTrue("problem converting string from Unicode", !(U_FAILURE(errorCode) || errorCode==U_STRING_NOT_TERMINATED_WARNING ) );
        if(U_FAILURE(errorCode) || errorCode==U_STRING_NOT_TERMINATED_WARNING) {
            printf("%sproblem converting string from Unicode: %s\n", announce, u_errorName(errorCode));
            return;
        }

        // printf("%s%s {", announce, out);

        /* output the code points (not code units) */
        if(length>=0) {
            /* s is not NUL-terminated */
            for(i=0; i<length; /* U16_NEXT post-increments */) {
                U16_NEXT(s, i, length, c);
                // printf(" %04x", c);
            }
        } else {
            /* s is NUL-terminated */
            for(i=0; /* condition in loop body */; /* U16_NEXT post-increments */) {
                U16_NEXT(s, i, length, c);
                if(c==0) {
                    break;
                }
                // printf(" %04x", c);
            }
        }
        // printf(" }\n");
    }

    static void
    printUnicodeString(const char *announce, const UnicodeString &s) {
        static char out[200];
        int32_t i, length;

        // output the string, converted to the platform encoding

        // Note for Windows: The "platform encoding" defaults to the "ANSI codepage",
        // which is different from the "OEM codepage" in the console window.
        // However, if you pipe the output into a file and look at it with Notepad
        // or similar, then "ANSI" characters will show correctly.
        // Production code should be aware of what encoding is required,
        // and use a UConverter or at least a charset name explicitly.
        out[s.extract(0, 99, out)]=0;
        // printf("%s%s {", announce, out);

        // output the code units (not code points)
        length=s.length();
        for(i=0; i<length; ++i) {
            // printf(" %04x", s.charAt(i));
        }
        // printf(" }\n");
    }

    // sample code for utf.h macros -------------------------------------------- ***

    static void
    demo_utf_h_macros() {
        static UChar input[]={ 0x0061, 0xd800, 0xdc00, 0xdbff, 0xdfff, 0x0062 };
        UChar32 c;
        uint32_t i;
        UBool isError;

        // printf("\n* demo_utf_h_macros() -------------- ***\n\n");

        // printUString("iterate forward through: ", input, LENGTHOF(input));
        for(i=0; i<LENGTHOF(input); /* U16_NEXT post-increments */) {
            /* Iterating forwards
            Codepoint at offset 0: U+0061
            Codepoint at offset 1: U+10000
            Codepoint at offset 3: U+10ffff
            Codepoint at offset 5: U+0062
            */
            // printf("Codepoint at offset %d: U+", i);
            U16_NEXT(input, i, LENGTHOF(input), c);
            // printf("%04x\n", c);
        }

        puts("");

        isError=FALSE;
        i=1; /* write position, gets post-incremented so needs to be in an l-value */
        U16_APPEND(input, i, LENGTHOF(input), 0x0062, isError);

        // printUString("iterate backward through: ", input, LENGTHOF(input));
        for(i=LENGTHOF(input); i>0; /* U16_PREV pre-decrements */) {
            U16_PREV(input, 0, i, c);
            /* Iterating backwards
            Codepoint at offset 5: U+0062
            Codepoint at offset 3: U+10ffff
            Codepoint at offset 2: U+dc00 -- unpaired surrogate because lead surr. overwritten
            Codepoint at offset 1: U+0062 -- by this BMP code point
            Codepoint at offset 0: U+0061
            */
            // printf("Codepoint at offset %d: U+%04x\n", i, c);
        }
    }

    // sample code for Unicode strings in C ------------------------------------ ***

//     static void demo_C_Unicode_strings() {
//         // printf("\n* demo_C_Unicode_strings() --------- ***\n\n");
// 
//         static const UChar text[]={ 0x41, 0x42, 0x43, 0 };          /* "ABC" */
//         static const UChar appendText[]={ 0x61, 0x62, 0x63, 0 };    /* "abc" */
//         static const UChar cmpText[]={ 0x61, 0x53, 0x73, 0x43, 0 }; /* "aSsC" */
//         UChar buffer[32];
//         int32_t compare;
//         int32_t length=u_strlen(text); /* length=3 */
// 
//         /* simple ANSI C-style functions */
//         buffer[0]=0;                    /* empty, NUL-terminated string */
//         u_strncat(buffer, text, 1);     /* append just n=1 character ('A') */
//         u_strcat(buffer, appendText);   /* buffer=="Aabc" */
//         length=u_strlen(buffer);        /* length=4 */
//         // printUString("should be \"Aabc\": ", buffer, -1);
// 
//         /* bitwise comparing buffer with text */
//         compare=u_strcmp(buffer, text);
//         if(compare<=0) {
//             // printf("String comparison error, expected \"Aabc\" > \"ABC\"\n");
//         }
// 
//         /* Build "A<sharp s>C" in the buffer... */
//         u_strcpy(buffer, text);
//         buffer[1]=0xdf; /* sharp s, case-compares equal to "ss" */
//         // printUString("should be \"A<sharp s>C\": ", buffer, -1);
// 
//         /* Compare two strings case-insensitively using full case folding */
//         compare=u_strcasecmp(buffer, cmpText, U_FOLD_CASE_DEFAULT);
//         TestManager::AssertTrue("String case insensitive comparison error, expected \"AbC\" to be equal to \"ABC\"", compare==0 );
//     }

    // sample code for case mappings with C APIs -------------------------------- ***

//     static void demoCaseMapInC() {
//         /*
//         * input=
//         *   "aB<capital sigma>"
//         *   "iI<small dotless i><capital dotted I> "
//         *   "<sharp s> <small lig. ffi>"
//         *   "<small final sigma><small sigma><capital sigma>"
//         */
//         static const UChar input[]={
//             0x61, 0x42, 0x3a3,
//             0x69, 0x49, 0x131, 0x130, 0x20,
//             0xdf, 0x20, 0xfb03,
//             0x3c2, 0x3c3, 0x3a3, 0
//         };
//         UChar buffer[32];
// 
//         UErrorCode errorCode;
//         UChar32 c;
//         uint32_t i, j;
//         int32_t length;
//         UBool isError;
// 
//         // printf("\n* demoCaseMapInC() ----------------- ***\n\n");
// 
//         /*
//         * First, use simple case mapping functions which provide
//         * 1:1 code point mappings without context/locale ID.
//         *
//         * Note that some mappings will not be "right" because some "real"
//         * case mappings require context, depend on the locale ID,
//         * and/or result in a change in the number of code points.
//         */
//         // printUString("input string: ", input, -1);
// 
//         /* uppercase */
//         isError=FALSE;
//         for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
//             U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
//             if(c==0) {
//                 break; /* stop at terminating NUL, no need to terminate buffer */
//             }
//             c=u_toupper(c);
//             U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError);
//         }
//         // printUString("simple-uppercased: ", buffer, j);
//         /* lowercase */
//         isError=FALSE;
//         for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
//             U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
//             if(c==0) {
//                 break; /* stop at terminating NUL, no need to terminate buffer */
//             }
//             c=u_tolower(c);
//             U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError);
//         }
//         // printUString("simple-lowercased: ", buffer, j);
//         /* titlecase */
//         isError=FALSE;
//         for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
//             U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
//             if(c==0) {
//                 break; /* stop at terminating NUL, no need to terminate buffer */
//             }
//             c=u_totitle(c);
//             U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError);
//         }
//         // printUString("simple-titlecased: ", buffer, j);
//         /* case-fold/default */
//         isError=FALSE;
//         for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
//             U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
//             if(c==0) {
//                 break; /* stop at terminating NUL, no need to terminate buffer */
//             }
//             c=u_foldCase(c, U_FOLD_CASE_DEFAULT);
//             U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError);
//         }
//         // printUString("simple-case-folded/default: ", buffer, j);
//         /* case-fold/Turkic */
//         isError=FALSE;
//         for(i=j=0; j<LENGTHOF(buffer) && !isError; /* U16_NEXT post-increments */) {
//             U16_NEXT(input, i, INT32_MAX, c); /* without length because NUL-terminated */
//             if(c==0) {
//                 break; /* stop at terminating NUL, no need to terminate buffer */
//             }
//             c=u_foldCase(c, U_FOLD_CASE_EXCLUDE_SPECIAL_I);
//             U16_APPEND(buffer, j, LENGTHOF(buffer), c, isError);
//         }
//         // printUString("simple-case-folded/Turkic: ", buffer, j);
// 
//         /*
//         * Second, use full case mapping functions which provide
//         * 1:n code point mappings (n can be 0!) and are sensitive to context and locale ID.
//         *
//         * Note that lower/upper/titlecasing take a locale ID while case-folding
//         * has bit flag options instead, by design of the Unicode SpecialCasing.txt UCD file.
//         *
//         * Also, string titlecasing requires a BreakIterator to find starts of words.
//         * The sample code here passes in a NULL pointer; u_strToTitle() will open and close a default
//         * titlecasing BreakIterator automatically.
//         * For production code where many strings are titlecased it would be more efficient
//         * to open a BreakIterator externally and pass it in.
//         */
//         // printUString("\ninput string: ", input, -1);
// 
//         /* lowercase/English */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToLower(buffer, LENGTHOF(buffer), input, -1, "en", &errorCode);
//         TestManager::AssertTrue("error in u_strToLower(en) ", U_SUCCESS(errorCode) );
// 
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-lowercased/en: ", buffer, length);
//         } else {
//             printf("error in u_strToLower(en)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* lowercase/Turkish */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToLower(buffer, LENGTHOF(buffer), input, -1, "tr", &errorCode);
//         TestManager::AssertTrue("error in u_strToLower(tr) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-lowercased/tr: ", buffer, length);
//         } else {
//             printf("error in u_strToUpper(en)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* uppercase/English */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToUpper(buffer, LENGTHOF(buffer), input, -1, "en", &errorCode);
//         TestManager::AssertTrue("error in u_strToLower(tr) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-uppercased/en: ", buffer, length);
//         } else {
//             printf("error in u_strToUpper(en)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* uppercase/Turkish */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToUpper(buffer, LENGTHOF(buffer), input, -1, "tr", &errorCode);
//         TestManager::AssertTrue("error in u_strToUpper(tr) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-uppercased/tr: ", buffer, length);
//         } else {
//             printf("error in u_strToUpper(tr)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* titlecase/English */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToTitle(buffer, LENGTHOF(buffer), input, -1, NULL, "en", &errorCode);
//         TestManager::AssertTrue("error in u_strToTitle(en) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-titlecased/en: ", buffer, length);
//         } else {
//             printf("error in u_strToTitle(en)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* titlecase/Turkish */
//         errorCode=U_ZERO_ERROR;
//         length=u_strToTitle(buffer, LENGTHOF(buffer), input, -1, NULL, "tr", &errorCode);
//         TestManager::AssertTrue("error in u_strToTitle(tr) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-titlecased/tr: ", buffer, length);
//         } else {
//             printf("error in u_strToTitle(tr)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* case-fold/default */
//         errorCode=U_ZERO_ERROR;
//         length=u_strFoldCase(buffer, LENGTHOF(buffer), input, -1, U_FOLD_CASE_DEFAULT, &errorCode);
//         TestManager::AssertTrue("error in u_strFoldCase(default) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-case-folded/default: ", buffer, length);
//         } else {
//             printf("error in u_strFoldCase(default)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//         /* case-fold/Turkic */
//         errorCode=U_ZERO_ERROR;
//         length=u_strFoldCase(buffer, LENGTHOF(buffer), input, -1, U_FOLD_CASE_EXCLUDE_SPECIAL_I, &errorCode);
//         TestManager::AssertTrue("error in u_strFoldCase(Turkic) ", U_SUCCESS(errorCode) );
//         if(U_SUCCESS(errorCode)) {
//             // printUString("full-case-folded/Turkic: ", buffer, length);
//         } else {
//             printf("error in u_strFoldCase(Turkic)=%d error=%s\n", length, u_errorName(errorCode));
//         }
//     }

    // sample code for case mappings with C++ APIs ------------------------------ ***

//     static void demoCaseMapInCPlusPlus() {
//         /*
//         * input=
//         *   "aB<capital sigma>"
//         *   "iI<small dotless i><capital dotted I> "
//         *   "<sharp s> <small lig. ffi>"
//         *   "<small final sigma><small sigma><capital sigma>"
//         */
//         static const UChar input[]={
//             0x61, 0x42, 0x3a3,
//             0x69, 0x49, 0x131, 0x130, 0x20,
//             0xdf, 0x20, 0xfb03,
//             0x3c2, 0x3c3, 0x3a3, 0
//         };
// 
//         // printf("\n* demoCaseMapInCPlusPlus() --------- ***\n\n");
// 
//         UnicodeString s(input), t;
// 
//         /*
//         * Full case mappings as in demoCaseMapInC(), using UnicodeString functions.
//         * These functions modify the string object itself.
//         * Since we want to keep the input string around, we copy it each time
//         * and case-map the copy.
//         */
//         // printUnicodeString("input string: ", s);
// 
//         /* case-folde/default */
//         // printUnicodeString("full-case-folded/default: ", (t=s).foldCase(U_FOLD_CASE_DEFAULT));
//         /* case-folde/Turkic */
//         // printUnicodeString("full-case-folded/Turkic: ", (t=s).foldCase(U_FOLD_CASE_EXCLUDE_SPECIAL_I));
//     }
// 
//     // sample code for UnicodeString storage models ----------------------------- ***

//     static void
//     demoUnicodeStringStorage() {
//         // These sample code lines illustrate how to use UnicodeString, and the
//         // comments tell what happens internally. There are no APIs to observe
//         // most of this programmatically, except for stepping into the code
//         // with a debugger.
//         // This is by design to hide such details from the user.
//         int32_t i;
// 
//         // printf("\n* demoUnicodeStringStorage() ------- ***\n\n");
// 
//         // * UnicodeString with internally stored contents
//         // instantiate a UnicodeString from a single code point
//         // the few (2) UChars will be stored in the object itself
//         UnicodeString one((UChar32)0x24001);
//         // this copies the few UChars into the "two" object
//         UnicodeString two=one;
//         // printf("length of short string copy: %d\n", two.length());
//         // set "one" to contain the 3 UChars from readonly
//         // this setTo() variant copies the characters
//         one.setTo(readonly, LENGTHOF(readonly));
// 
//         // * UnicodeString with allocated contents
//         // build a longer string that will not fit into the object's buffer
//         one+=UnicodeString(writeable, LENGTHOF(writeable));
//         one+=one;
//         one+=one;
//         // printf("length of longer string: %d\n", one.length());
//         // copying will use the same allocated buffer and increment the reference
//         // counter
//         two=one;
//         // printf("length of longer string copy: %d\n", two.length());
// 
//         // * UnicodeString using readonly-alias to a const UChar array
//         // construct a string that aliases a readonly buffer
//         UnicodeString three(FALSE, readonly, LENGTHOF(readonly));
//         // printUnicodeString("readonly-alias string: ", three);
//         // copy-on-write: any modification to the string results in
//         // a copy to either the internal buffer or to a newly allocated one
//         three.setCharAt(1, 0x39);
//         // printUnicodeString("readonly-aliasing string after modification: ", three);
//         // the aliased array is not modified
//         for(i=0; i<three.length(); ++i) {
//             // printf("readonly buffer[%d] after modifying its string: 0x%x\n",
//                 //i, readonly[i]);
//         }
//         // setTo() readonly alias
//         one.setTo(FALSE, writeable, LENGTHOF(writeable));
//         // copying the readonly-alias object with fastCopyFrom() (new in ICU 2.4)
//         // will readonly-alias the same buffer
//         two.fastCopyFrom(one);
//         // printUnicodeString("fastCopyFrom(readonly alias of \"writeable\" array): ", two);
//         // printf("verify that a fastCopyFrom(readonly alias) uses the same buffer pointer: %d (should be 1)\n",
//             //one.getBuffer()==two.getBuffer());
//         // a normal assignment will clone the contents (new in ICU 2.4)
//         two=one;
//         //printf("verify that a regular copy of a readonly alias uses a different buffer pointer: %d (should be 0)\n",
//             //one.getBuffer()==two.getBuffer());
// 
//         // * UnicodeString using writeable-alias to a non-const UChar array
//         UnicodeString four(writeable, LENGTHOF(writeable), LENGTHOF(writeable));
//         // printUnicodeString("writeable-alias string: ", four);
//         // a modification writes through to the buffer
//         four.setCharAt(1, 0x39);
//         for(i=0; i<four.length(); ++i) {
//             //printf("writeable-alias backing buffer[%d]=0x%x "
//                 //"after modification\n", i, writeable[i]);
//         }
//         // a copy will not alias any more;
//         // instead, it will get a copy of the contents into allocated memory
//         two=four;
//         two.setCharAt(1, 0x21);
//         for (i=0; i<two.length(); ++i) {
//             //printf("writeable-alias backing buffer[%d]=0x%x after "
//                 //"modification of string copy\n", i, writeable[i]);
//         }
//         // setTo() writeable alias, capacity==length
//         one.setTo(writeable, LENGTHOF(writeable), LENGTHOF(writeable));
//         // grow the string - it will not fit into the backing buffer any more
//         // and will get copied before modification
//         one.append((UChar)0x40);
//         // shrink it back so it would fit
//         one.truncate(one.length()-1);
//         // we still operate on the copy
//         one.setCharAt(1, 0x25);
//         //printf("string after growing too much and then shrinking[1]=0x%x\n"
//           //  "                          backing store for this[1]=0x%x\n",
//             //one.charAt(1), writeable[1]);
//         // if we need it in the original buffer, then extract() to it
//         // extract() does not do anything if the string aliases that same buffer
//         // i=min(one.length(), length of array)
//         if (static_cast<unsigned>(one.length())<LENGTHOF(writeable)) {
//             i=one.length();
//         } else {
//             i=LENGTHOF(writeable);
//         }
//         one.extract(0, i, writeable);
//         for (i=0; static_cast<unsigned>(i) < LENGTHOF(writeable); ++i) {
//             //printf("writeable-alias backing buffer[%d]=0x%x after re-extract\n",
//                 //i, writeable[i]);
//         }
//     }

    // sample code for UnicodeString instantiations ----------------------------- ***

//     static void
//     demoUnicodeStringInit() {
//         // *** Make sure to read about invariant characters in utypes.h! ***
//         // Initialization of Unicode strings from C literals works _only_ for
//         // invariant characters!
// 
//         // printf("\n* demoUnicodeStringInit() ---------- ***\n\n");
// 
//         // the string literal is 32 chars long - this must be counted for the macro
//         UnicodeString invariantOnly=UNICODE_STRING("such characters are safe 123 %-.", 32);
// 
//         /*
//         * In C, we need two macros: one to declare the UChar[] array, and
//         * one to populate it; the second one is a noop on platforms where
//         * wchar_t is compatible with UChar and ASCII-based.
//         * The length of the string literal must be counted for both macros.
//         */
//         /* declare the invString array for the string */
//         U_STRING_DECL(invString, "such characters are safe 123 %-.", 32);
//         /* populate it with the characters */
//         U_STRING_INIT(invString, "such characters are safe 123 %-.", 32);
// 
//         // compare the C and C++ strings
//         // printf("C and C++ Unicode strings are equal: %d\n", invariantOnly==UnicodeString(TRUE, invString, 32));
// 
//         /*
//         * convert between char * and UChar * strings that
//         * contain only invariant characters
//         */
//         static const char *cs1="such characters are safe 123 %-.";
//         static UChar us1[40];
//         static char cs2[40];
//         u_charsToUChars(cs1, us1, 33); /* include the terminating NUL */
//         u_UCharsToChars(us1, cs2, 33);
//         //printf("char * -> UChar * -> char * with only "
//         //    "invariant characters: \"%s\"\n",
//         //    cs2);
// 
//         // initialize a UnicodeString from a string literal that contains
//         // escape sequences written with invariant characters
//         // do not forget to duplicate the backslashes for ICU to see them
//         // then, count each double backslash only once!
//         UnicodeString german=UNICODE_STRING(
//             "Sch\\u00f6nes Auto: \\u20ac 11240.\\fPrivates Zeichen: \\U00102345\\n", 64).
//             unescape();
//         // printUnicodeString("german UnicodeString from unescaping:\n    ", german);
// 
//         /*
//         * C: convert and unescape a char * string with only invariant
//         * characters to fill a UChar * string
//         */
//         UChar buffer[200];
//         int32_t length;
//         length=u_unescape(
//             "Sch\\u00f6nes Auto: \\u20ac 11240.\\fPrivates Zeichen: \\U00102345\\n",
//             buffer, LENGTHOF(buffer));
//         // printf("german C Unicode string from char * unescaping: (length %d)\n    ", length);
//         // printUnicodeString("", UnicodeString(buffer));
// }


    static void testInternationalisation()
    {
        UErrorCode errorCode=U_ZERO_ERROR;

        // Note: Using a global variable for any object is not exactly thread-safe...

        // You can change this call to e.g. ucnv_open("UTF-8", &errorCode) if you pipe
        // the output to a file and look at it with a Unicode-capable editor.
        // This will currently affect only the printUString() function, see the code above.
        // printUnicodeString() could use this, too, by changing to an extract() overload
        // that takes a UConverter argument.
/*        cnv=ucnv_open(NULL, &errorCode);
        TestManager::AssertTrue("error opening the default converter ", !U_FAILURE(errorCode) );
        if(U_FAILURE(errorCode)) {
            fprintf(stderr, "error %s opening the default converter\n", u_errorName(errorCode));
            return ;
        }

        ucnv_setFromUCallBack(cnv, UCNV_FROM_U_CALLBACK_ESCAPE, UCNV_ESCAPE_C, NULL, NULL, &errorCode);
        TestManager::AssertTrue("error setting the escape callback in the default converter ", !U_FAILURE(errorCode) );
        if(U_FAILURE(errorCode)) {
            fprintf(stderr, "error %s setting the escape callback in the default converter\n", u_errorName(errorCode));
            ucnv_close(cnv);
            return ;
        }

        demo_utf_h_macros();*/
//        demo_C_Unicode_strings();
//        demoCaseMapInC();
//         demoCaseMapInCPlusPlus();
//         demoUnicodeStringStorage();
//         demoUnicodeStringInit();

//         ucnv_close(cnv);
    }



    private:
};


static TestNode gtestInternationalization =
 { "testInternationalisation", "testInternationalisation", TestNode::AUTO, InternationalizationTest::testInternationalisation, NULL };

TestNode* gInternationalizationTestNodeList[] = {
  &gtestInternationalization,
  	NULL
};

TestNode gTestSuiteInternationalization = {
    "TestInternationalization",
    "test Internationalization",
    TestNode::TEST_SUITE,
    NULL, /* no function, it's a test suite */
		gInternationalizationTestNodeList
};

