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      1 /*
      2  **********************************************************************
      3  *   Copyright (C) 2004-2014, International Business Machines
      4  *   Corporation and others.  All Rights Reserved.
      5  **********************************************************************
      6  *   file name:  filetst.c
      7  *   encoding:   US-ASCII
      8  *   tab size:   8 (not used)
      9  *   indentation:4
     10  *
     11  *   created on: 2004apr06
     12  *   created by: George Rhoten
     13  */
     14 
     15 #include "iotest.h"
     16 #include "unicode/ustdio.h"
     17 #include "unicode/ustring.h"
     18 #include "unicode/uloc.h"
     19 
     20 #include <string.h>
     21 #include <stdlib.h>
     22 
     23 const char *STANDARD_TEST_FILE = "iotest-c.txt";
     24 
     25 const char *STANDARD_TEST_LOCALE = "en_US_POSIX";
     26 
     27 
     28 #if !UCONFIG_NO_FORMATTING
     29 static void TestFileFromICU(UFILE *myFile) {
     30     int32_t n[1];
     31     float myFloat = -1234.0;
     32     int32_t newValuePtr[1];
     33     double newDoubleValuePtr[1];
     34     UChar myUString[256];
     35     UChar uStringBuf[256];
     36     char myString[256] = "";
     37     char testBuf[256] = "";
     38     void *origPtr, *ptr;
     39     U_STRING_DECL(myStringOrig, "My-String", 9);
     40 
     41     U_STRING_INIT(myStringOrig, "My-String", 9);
     42     u_memset(myUString, 0x2a, sizeof(myUString)/sizeof(*myUString));
     43     u_memset(uStringBuf, 0x2a, sizeof(uStringBuf)/sizeof(*uStringBuf));
     44     memset(myString, '*', sizeof(myString)/sizeof(*myString));
     45     memset(testBuf, '*', sizeof(testBuf)/sizeof(*testBuf));
     46 
     47     if (myFile == NULL) {
     48         log_err("Can't write test file.\n");
     49         return;
     50     }
     51 
     52     *n = -1234;
     53     if (sizeof(void *) == 4) {
     54         origPtr = (void *)0xdeadbeef;
     55     } else if (sizeof(void *) == 8) {
     56         origPtr = (void *) INT64_C(0x1000200030004000);
     57     } else if (sizeof(void *) == 16) {
     58         /* iSeries */
     59         union {
     60             int32_t arr[4];
     61             void *ptr;
     62         } massiveBigEndianPtr = {{ 0x10002000, 0x30004000, 0x50006000, 0x70008000 }};
     63         origPtr = massiveBigEndianPtr.ptr;
     64     } else {
     65         log_err("sizeof(void*)=%d hasn't been tested before", (int)sizeof(void*));
     66     }
     67 
     68     /* Test fprintf */
     69     u_fprintf(myFile, "Signed decimal integer %%d: %d\n", *n);
     70     u_fprintf(myFile, "Signed decimal integer %%i: %i\n", *n);
     71     u_fprintf(myFile, "Unsigned octal integer %%o: %o\n", *n);
     72     u_fprintf(myFile, "Unsigned decimal integer %%u: %u\n", *n);
     73     u_fprintf(myFile, "Lowercase unsigned hexadecimal integer %%x: %x\n", *n);
     74     u_fprintf(myFile, "Uppercase unsigned hexadecimal integer %%X: %X\n", *n);
     75     u_fprintf(myFile, "Float %%f: %f\n", myFloat);
     76     u_fprintf(myFile, "Lowercase float %%e: %e\n", myFloat);
     77     u_fprintf(myFile, "Uppercase float %%E: %E\n", myFloat);
     78     u_fprintf(myFile, "Lowercase float %%g: %g\n", myFloat);
     79     u_fprintf(myFile, "Uppercase float %%G: %G\n", myFloat);
     80     u_fprintf(myFile, "Pointer %%p: %p\n", origPtr);
     81     u_fprintf(myFile, "Char %%c: %c\n", 'A');
     82     u_fprintf(myFile, "UChar %%C: %C\n", (UChar)0x0041); /*'A'*/
     83     u_fprintf(myFile, "String %%s: %s\n", "My-String");
     84     u_fprintf(myFile, "NULL String %%s: %s\n", NULL);
     85     u_fprintf(myFile, "Unicode String %%S: %S\n", myStringOrig);
     86     u_fprintf(myFile, "NULL Unicode String %%S: %S\n", NULL);
     87     u_fprintf(myFile, "Percent %%P (non-ANSI): %P\n", myFloat);
     88     u_fprintf(myFile, "Spell Out %%V (non-ANSI): %V\n", myFloat);
     89 
     90     if (u_feof(myFile)) {
     91         log_err("Got feof while writing the file.\n");
     92     }
     93 
     94     *n = 1;
     95     u_fprintf(myFile, "\t\nPointer to integer (Count) %%n: n=%d %n n=%d\n", *n, n, *n);
     96     u_fprintf(myFile, "Pointer to integer Value: %d\n", *n);
     97     u_fprintf(myFile, "This is a long test123456789012345678901234567890123456789012345678901234567890\n");
     98     *n = 1;
     99     u_fprintf(myFile, "\tNormal fprintf count: n=%d %n n=%d\n", (int)*n, (int*)n, (int)*n);
    100     fprintf(u_fgetfile(myFile), "\tNormal fprintf count value: n=%d\n", (int)*n); /* Should be 27 as stated later on. */
    101 
    102     u_fclose(myFile);
    103     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);
    104 
    105     if (myFile == NULL) {
    106         log_err("Can't read test file.");
    107         return;
    108     }
    109 
    110     if (u_feof(myFile)) {
    111         log_err("Got feof while reading the file and not at the end of the file.\n");
    112     }
    113 
    114     myUString[0] = u_fgetc(myFile);
    115     if (myUString[0] != 0x53 /* S */) {
    116         log_err("u_fgetc 1 returned %X. Expected 'S'.", myString[0]);
    117     }
    118     u_fungetc(myUString[0], myFile);
    119     myUString[0] = u_fgetc(myFile);
    120     if (myUString[0] != 0x53 /* S */) {
    121         log_err("u_fgetc 2 returned %X. Expected 'S'.", myString[0]);
    122     }
    123     u_fungetc(myUString[0], myFile);
    124     myUString[0] = u_fgetc(myFile);
    125     if (myUString[0] != 0x53 /* S */) {
    126         log_err("u_fgetc 3 returned %X. Expected 'S'.", myString[0]);
    127     }
    128     u_fungetc(myUString[0], myFile);
    129     myUString[0] = u_fgetc(myFile);
    130     myUString[1] = (UChar)u_fgetcx(myFile); /* Mix getc and getcx and see what happens. */
    131     myUString[2] = u_fgetc(myFile);
    132     if (myUString[0] != 0x53 /* S */ && myUString[1] != 0x69 /* i */ && myUString[2] != 0x6E /* n */) {
    133         log_err("u_fgetcx returned \\u%04X\\u%04X\\u%04X. Expected 'Sin'.", myString[0], myString[1], myString[2]);
    134     }
    135     u_fungetc(myUString[2], myFile);
    136     u_fungetc(myUString[1], myFile);
    137     u_fungetc(myUString[0], myFile);
    138 
    139     *n = -1234;
    140 
    141     *newValuePtr = 1;
    142     u_fscanf(myFile, "Signed decimal integer %%d: %d\n", newValuePtr);
    143     if (*n != *newValuePtr) {
    144         log_err("%%d Got: %d, Expected: %d\n", *newValuePtr, *n);
    145     }
    146     *newValuePtr = 1;
    147     u_fscanf(myFile, "Signed decimal integer %%i: %i\n", newValuePtr);
    148     if (*n != *newValuePtr) {
    149         log_err("%%i Got: %i, Expected: %i\n", *newValuePtr, *n);
    150     }
    151     *newValuePtr = 1;
    152     u_fscanf(myFile, "Unsigned octal integer %%o: %o\n", newValuePtr);
    153     if (*n != *newValuePtr) {
    154         log_err("%%o Got: %o, Expected: %o\n", *newValuePtr, *n);
    155     }
    156     *newValuePtr = 1;
    157     u_fscanf(myFile, "Unsigned decimal integer %%u: %u\n", newValuePtr);
    158     if (*n != *newValuePtr) {
    159         log_err("%%u Got: %u, Expected: %u\n", *newValuePtr, *n);
    160     }
    161     *newValuePtr = 1;
    162     u_fscanf(myFile, "Lowercase unsigned hexadecimal integer %%x: %x\n", newValuePtr);
    163     if (*n != *newValuePtr) {
    164         log_err("%%x Got: %x, Expected: %x\n", *newValuePtr, *n);
    165     }
    166     *newValuePtr = 1;
    167     u_fscanf(myFile, "Uppercase unsigned hexadecimal integer %%X: %X\n", newValuePtr);
    168     if (*n != *newValuePtr) {
    169         log_err("%%X Got: %X, Expected: %X\n", *newValuePtr, *n);
    170     }
    171     *newDoubleValuePtr = -1.0;
    172     u_fscanf(myFile, "Float %%f: %lf\n", newDoubleValuePtr);
    173     if (myFloat != *newDoubleValuePtr) {
    174         log_err("%%f Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
    175     }
    176     *newDoubleValuePtr = -1.0;
    177     u_fscanf(myFile, "Lowercase float %%e: %le\n", newDoubleValuePtr);
    178     if (myFloat != *newDoubleValuePtr) {
    179         log_err("%%e Got: %e, Expected: %e\n", *newDoubleValuePtr, myFloat);
    180     }
    181     *newDoubleValuePtr = -1.0;
    182     u_fscanf(myFile, "Uppercase float %%E: %lE\n", newDoubleValuePtr);
    183     if (myFloat != *newDoubleValuePtr) {
    184         log_err("%%E Got: %E, Expected: %E\n", *newDoubleValuePtr, myFloat);
    185     }
    186     *newDoubleValuePtr = -1.0;
    187     u_fscanf(myFile, "Lowercase float %%g: %lg\n", newDoubleValuePtr);
    188     if (myFloat != *newDoubleValuePtr) {
    189         log_err("%%g Got: %g, Expected: %g\n", *newDoubleValuePtr, myFloat);
    190     }
    191     *newDoubleValuePtr = -1.0;
    192     u_fscanf(myFile, "Uppercase float %%G: %lG\n", newDoubleValuePtr);
    193     if (myFloat != *newDoubleValuePtr) {
    194         log_err("%%G Got: %G, Expected: %G\n", *newDoubleValuePtr, myFloat);
    195     }
    196     ptr = NULL;
    197     u_fscanf(myFile, "Pointer %%p: %p\n", &ptr);
    198     if (ptr != origPtr) {
    199         log_err("%%p Got: %p, Expected: %p\n", ptr, origPtr);
    200     }
    201     u_fscanf(myFile, "Char %%c: %c\n", myString);
    202     if (*myString != 'A') {
    203         log_err("%%c Got: %c, Expected: A\n", *myString);
    204     }
    205     u_fscanf(myFile, "UChar %%C: %C\n", myUString);
    206     if (*myUString != (UChar)0x0041) { /*'A'*/
    207         log_err("%%C Got: %C, Expected: A\n", *myUString);
    208     }
    209     u_fscanf(myFile, "String %%s: %s\n", myString);
    210     if (strcmp(myString, "My-String")) {
    211         log_err("%%s Got: %s, Expected: My String\n", myString);
    212     }
    213     u_fscanf(myFile, "NULL String %%s: %s\n", myString);
    214     if (strcmp(myString, "(null)")) {
    215         log_err("%%s Got: %s, Expected: My String\n", myString);
    216     }
    217     u_fscanf(myFile, "Unicode String %%S: %S\n", myUString);
    218     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    219     if (strcmp(myString, "My-String")) {
    220         log_err("%%S Got: %S, Expected: My String\n", myUString);
    221     }
    222     u_fscanf(myFile, "NULL Unicode String %%S: %S\n", myUString);
    223     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    224     if (strcmp(myString, "(null)")) {
    225         log_err("%%S Got: %S, Expected: My String\n", myUString);
    226     }
    227     *newDoubleValuePtr = -1.0;
    228     u_fscanf(myFile, "Percent %%P (non-ANSI): %P\n", newDoubleValuePtr);
    229     if (myFloat != *newDoubleValuePtr) {
    230         log_err("%%P Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
    231     }
    232     *newDoubleValuePtr = -1.0;
    233     u_fscanf(myFile, "Spell Out %%V (non-ANSI): %V\n", newDoubleValuePtr);
    234     if (myFloat != *newDoubleValuePtr) {
    235         log_err("%%V Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
    236     }
    237 
    238     u_fgets(myUString, 4, myFile);
    239     myString[2] = '!';
    240     myString[3] = '!';
    241     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    242     if (strcmp(myString, "\t\n") != 0) {
    243         log_err("u_fgets got \"%s\"\n", myString);
    244     }
    245 
    246     if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
    247         log_err("u_fgets did not return myUString\n");
    248     }
    249     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    250     if (strcmp(myString, "Pointer to integer (Count) %n: n=1  n=1\n") != 0) {
    251         log_err("u_fgets got \"%s\"\n", myString);
    252     }
    253 
    254     if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
    255         log_err("u_fgets did not return myUString\n");
    256     }
    257     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    258     if (strcmp(myString, "Pointer to integer Value: 37\n") != 0) {
    259         log_err("u_fgets got \"%s\"\n", myString);
    260     }
    261 
    262     if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
    263         log_err("u_fgets did not return myUString\n");
    264     }
    265     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    266     if (strcmp(myString, "This is a long test123456789012345678901234567890123456789012345678901234567890\n") != 0) {
    267         log_err("u_fgets got \"%s\"\n", myString);
    268     }
    269 
    270     if (u_fgets(myUString, 0, myFile) != NULL) {
    271         log_err("u_fgets got \"%s\" and it should have returned NULL\n", myString);
    272     }
    273 
    274     if (u_fgets(myUString, 1, myFile) != myUString) {
    275         log_err("u_fgets did not return myUString\n");
    276     }
    277     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    278     if (strcmp(myString, "") != 0) {
    279         log_err("u_fgets got \"%s\"\n", myString);
    280     }
    281 
    282     if (u_fgets(myUString, 2, myFile) != myUString) {
    283         log_err("u_fgets did not return myUString\n");
    284     }
    285     u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
    286     if (strcmp(myString, "\t") != 0) {
    287         log_err("u_fgets got \"%s\"\n", myString);
    288     }
    289 
    290     u_austrncpy(myString, u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile),
    291         sizeof(myUString)/sizeof(*myUString));
    292     if (strcmp(myString, "Normal fprintf count: n=1  n=1\n") != 0) {
    293         log_err("u_fgets got \"%s\"\n", myString);
    294     }
    295 
    296     if (u_feof(myFile)) {
    297         log_err("Got feof while reading the file and not at the end of the file.\n");
    298     }
    299     u_austrncpy(myString, u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile),
    300         sizeof(myUString)/sizeof(*myUString));
    301     if (strcmp(myString, "\tNormal fprintf count value: n=27\n") != 0) {
    302         log_err("u_fgets got \"%s\"\n", myString);
    303     }
    304     if (!u_feof(myFile)) {
    305         log_err("Did not get feof while reading the end of the file.\n");
    306     }
    307     if (u_fscanf(myFile, "%S\n", myUString) != 0) {
    308         log_err("u_fscanf read data while reading the end of the file.\n");
    309     }
    310 
    311     u_fclose(myFile);
    312 }
    313 
    314 static void TestFile(void) {
    315 
    316     log_verbose("Testing u_fopen\n");
    317     TestFileFromICU(u_fopen(STANDARD_TEST_FILE, "w", STANDARD_TEST_LOCALE, NULL));
    318 }
    319 
    320 static void TestFinit(void) {
    321     FILE *standardFile;
    322 
    323     log_verbose("Testing u_finit\n");
    324     standardFile = fopen(STANDARD_TEST_FILE, "w");
    325     TestFileFromICU(u_finit(standardFile, STANDARD_TEST_LOCALE, NULL));
    326     fclose(standardFile);
    327 }
    328 
    329 static void TestFadopt(void) {
    330     FILE *standardFile;
    331 
    332     log_verbose("Testing u_fadopt\n");
    333     standardFile = fopen(STANDARD_TEST_FILE, "w");
    334     TestFileFromICU(u_fadopt(standardFile, STANDARD_TEST_LOCALE, NULL));
    335 }
    336 #endif
    337 
    338 static void StdinBuffering(void) {
    339 #if 0
    340     UChar buff[255];
    341     int32_t num = 0;
    342     UFILE *uStdIn = NULL;
    343     UFILE *uStdOut = NULL;
    344     uStdIn = u_finit(stdin, NULL, NULL);
    345     uStdOut = u_finit(stdout, NULL, NULL);
    346     if (uStdIn == NULL)
    347         return;
    348 
    349     buff[0] = 0x40;
    350     buff[1] = 0;
    351     u_fgets(buff, sizeof(buff)/sizeof(buff[0]), uStdIn);
    352     u_fprintf(uStdOut, "%S\n", buff);
    353     u_fscanf(uStdIn, "%d", &num);
    354     u_fprintf(uStdOut, "%d\n", num);
    355     u_fscanf(uStdIn, "%d", &num);
    356     u_fprintf(uStdOut, "%d\n", num);
    357 #else
    358     log_verbose("Test disabled because it requires user interaction");
    359 #endif
    360 }
    361 
    362 static void TestCodepageAndLocale(void) {
    363     UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
    364     if (myFile == NULL) {
    365         log_err("Can't write test file.\n");
    366         return;
    367     }
    368     if (u_fgetcodepage(myFile) == NULL
    369         || strcmp(u_fgetcodepage(myFile), ucnv_getDefaultName()) != 0)
    370     {
    371         log_err("Didn't get the proper default codepage. Got %s expected: %s\n",
    372             u_fgetcodepage(myFile), ucnv_getDefaultName());
    373     }
    374 #if !UCONFIG_NO_FORMATTING
    375     if (u_fgetlocale(myFile) == NULL
    376         || strcmp(u_fgetlocale(myFile), uloc_getDefault()) != 0)
    377     {
    378         log_err("Didn't get the proper default locale. Got %s expected: %s\n",
    379             u_fgetlocale(myFile), uloc_getDefault());
    380     }
    381 #endif
    382     u_fclose(myFile);
    383 
    384     myFile = u_fopen(STANDARD_TEST_FILE, "w", "es", NULL);
    385     if (u_fgetcodepage(myFile) == NULL
    386         || strcmp(u_fgetcodepage(myFile), ucnv_getDefaultName()) != 0)
    387     {
    388         log_err("Didn't get the proper default codepage for \"es\". Got %s expected: iso-8859-1\n",
    389             u_fgetcodepage(myFile));
    390     }
    391 #if !UCONFIG_NO_FORMATTING
    392     if (u_fgetlocale(myFile) == NULL
    393         || strcmp(u_fgetlocale(myFile), "es") != 0)
    394     {
    395         log_err("Didn't get the proper default locale. Got %s expected: %s\n",
    396             u_fgetlocale(myFile), "es");
    397     }
    398 #endif
    399     u_fclose(myFile);
    400 
    401     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
    402     if (u_fgetcodepage(myFile) == NULL
    403         || strcmp(u_fgetcodepage(myFile), "UTF-16") != 0)
    404     {
    405         log_err("Didn't get the proper default codepage for \"en\". Got %s expected: iso-8859-1\n",
    406             u_fgetcodepage(myFile));
    407     }
    408 #if !UCONFIG_NO_FORMATTING
    409     if (u_fgetlocale(myFile) == NULL
    410         || strcmp(u_fgetlocale(myFile), uloc_getDefault()) != 0)
    411     {
    412         log_err("Didn't get the proper default locale. Got %s expected: %s\n",
    413             u_fgetlocale(myFile), uloc_getDefault());
    414     }
    415 #endif
    416     u_fclose(myFile);
    417 
    418     myFile = u_fopen(STANDARD_TEST_FILE, "w", "zh", "UTF-16");
    419     if (u_fgetcodepage(myFile) == NULL
    420         || strcmp(u_fgetcodepage(myFile), "UTF-16") != 0)
    421     {
    422         log_err("Didn't get the proper default codepage for \"en\". Got %s expected: iso-8859-1\n",
    423             u_fgetcodepage(myFile));
    424     }
    425 #if !UCONFIG_NO_FORMATTING
    426     if (u_fgetlocale(myFile) == NULL
    427         || strcmp(u_fgetlocale(myFile), "zh") != 0)
    428     {
    429         log_err("Didn't get the proper default locale. Got %s expected: %s\n",
    430             u_fgetlocale(myFile), "zh");
    431     }
    432 #endif
    433     u_fclose(myFile);
    434 }
    435 
    436 
    437 static void TestfgetsBuffers(void) {
    438     UChar buffer[2048];
    439     UChar expectedBuffer[2048];
    440     static const char testStr[] = "This is a test string that tests u_fgets. It makes sure that we don't try to read too much!";
    441     UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
    442     int32_t expectedSize = (int32_t)strlen(testStr);
    443     int32_t readSize;
    444     int32_t repetitions;
    445 
    446     if (myFile == NULL) {
    447         log_err("Can't write test file.\n");
    448         return;
    449     }
    450 
    451     u_fputc(0x3BC, myFile);
    452     if (u_fputc(0x110000, myFile) != U_EOF) {
    453         log_err("u_fputc should return U_EOF for 0x110000.\n");
    454     }
    455     if (u_fputc((UChar32)0xFFFFFFFFu, myFile) != U_EOF) {
    456         log_err("u_fputc should return U_EOF for 0xFFFFFFFF.\n");
    457     }
    458     u_fputc(0xFF41, myFile);
    459     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    460     u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
    461     u_uastrncpy(buffer, testStr, expectedSize+1);
    462     for (repetitions = 0; repetitions < 16; repetitions++) {
    463         u_file_write(buffer, expectedSize, myFile);
    464         u_strcat(expectedBuffer, buffer);
    465     }
    466     u_fclose(myFile);
    467 
    468     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    469     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-16");
    470     if (u_fgetc(myFile) != 0x3BC) {
    471         log_err("The first character is wrong\n");
    472     }
    473     if (u_fgetc(myFile) != 0xFF41) {
    474         log_err("The second character is wrong\n");
    475     }
    476     if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != buffer) {
    477         log_err("Didn't get the buffer back\n");
    478         return;
    479     }
    480     readSize = u_strlen(buffer);
    481     if (readSize != expectedSize*repetitions) {
    482         log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), expectedSize*repetitions);
    483     }
    484     if (buffer[(expectedSize*repetitions) + 1] != 0xBEEF) {
    485         log_err("u_fgets wrote too much data\n");
    486     }
    487     if (u_strcmp(buffer, expectedBuffer) != 0) {
    488         log_err("Did get expected string back\n");
    489     }
    490     if (strcmp(u_fgetcodepage(myFile), "UTF-16") != 0) {
    491         log_err("Got %s instead of UTF-16\n", u_fgetcodepage(myFile));
    492     }
    493     u_fclose(myFile);
    494 
    495     log_verbose("Now trying a multi-byte encoding (UTF-8).\n");
    496 
    497     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
    498 
    499     u_fputc(0x3BC, myFile);
    500     u_fputc(0xFF41, myFile);
    501     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    502     u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
    503     u_uastrncpy(buffer, testStr, expectedSize+1);
    504     for (repetitions = 0; repetitions < 16; repetitions++) {
    505         u_file_write(buffer, expectedSize, myFile);
    506         u_strcat(expectedBuffer, buffer);
    507     }
    508     u_fclose(myFile);
    509 
    510     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    511     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
    512     if (strcmp(u_fgetcodepage(myFile), "UTF-8") != 0) {
    513         log_err("Got %s instead of UTF-8\n", u_fgetcodepage(myFile));
    514     }
    515     if (u_fgetc(myFile) != 0x3BC) {
    516         log_err("The first character is wrong\n");
    517     }
    518     if (u_fgetc(myFile) != 0xFF41) {
    519         log_err("The second character is wrong\n");
    520     }
    521     if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != buffer) {
    522         log_err("Didn't get the buffer back\n");
    523         return;
    524     }
    525     readSize = u_strlen(buffer);
    526     if (readSize != expectedSize*repetitions) {
    527         log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), expectedSize*repetitions);
    528     }
    529     if (buffer[(expectedSize*repetitions) + 1] != 0xBEEF) {
    530         log_err("u_fgets wrote too much data\n");
    531     }
    532     if (u_strcmp(buffer, expectedBuffer) != 0) {
    533         log_err("Did get expected string back\n");
    534     }
    535     u_fclose(myFile);
    536 
    537 
    538     log_verbose("Now trying a multi-byte encoding (UTF-8) with a really small buffer.\n");
    539 
    540     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
    541 
    542     u_fputc(0xFF41, myFile);
    543     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    544     u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
    545     u_uastrncpy(buffer, testStr, expectedSize+1);
    546     for (repetitions = 0; repetitions < 1; repetitions++) {
    547         u_file_write(buffer, expectedSize, myFile);
    548         u_strcat(expectedBuffer, buffer);
    549     }
    550     u_fclose(myFile);
    551 
    552     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    553     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
    554     if (u_fgets(buffer, 2, myFile) != buffer) {
    555         log_err("Didn't get the buffer back\n");
    556         return;
    557     }
    558     readSize = u_strlen(buffer);
    559     if (readSize != 1) {
    560         log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), 1);
    561     }
    562     if (buffer[0] != 0xFF41 || buffer[1] != 0) {
    563         log_err("Did get expected string back\n");
    564     }
    565     if (buffer[2] != 0xBEEF) {
    566         log_err("u_fgets wrote too much data\n");
    567     }
    568     u_fclose(myFile);
    569 
    570 }
    571 
    572 static void TestFileReadBuffering(void) {
    573     UChar buffer[1024];
    574     UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
    575     int32_t how_many;
    576     int32_t repetitions;
    577 
    578     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    579     for (repetitions = 0; repetitions < 2; repetitions++) {
    580         u_file_write(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
    581     }
    582 
    583     u_fclose(myFile);
    584     u_memset(buffer, 0xDEAD, sizeof(buffer)/sizeof(buffer[0]));
    585     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-16");
    586     how_many = u_file_read(buffer, 1024, myFile);
    587     if (how_many != 1024 || buffer[1023] != 0xBEEF) {
    588         log_err("u_file_read read too much or not enough data\n");
    589     }
    590     u_fclose(myFile);
    591 }
    592 
    593 static void TestfgetsLineCount(void) {
    594     UChar buffer[2048];
    595     UChar expectedBuffer[2048];
    596     char charBuffer[2048];
    597     static const char testStr[] = "This is a test string that tests u_fgets. It makes sure that we don't try to read too much!";
    598     UFILE *myFile = NULL;
    599     FILE *stdFile = fopen(STANDARD_TEST_FILE, "w");
    600     int32_t expectedSize = (int32_t)strlen(testStr);
    601     int32_t repetitions;
    602     int32_t nlRepetitions;
    603 
    604     if (stdFile == NULL) {
    605         log_err("Can't write test file.\n");
    606         return;
    607     }
    608     u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
    609 
    610     for (repetitions = 0; repetitions < 16; repetitions++) {
    611         fwrite(testStr, sizeof(testStr[0]), expectedSize, stdFile);
    612         for (nlRepetitions = 0; nlRepetitions < repetitions; nlRepetitions++) {
    613             fwrite("\n", sizeof(testStr[0]), 1, stdFile);
    614         }
    615     }
    616     fclose(stdFile);
    617 
    618     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, NULL);
    619     stdFile = fopen(STANDARD_TEST_FILE, "r");
    620 
    621     for (;;) {
    622         char *returnedCharBuffer;
    623         UChar *returnedUCharBuffer;
    624 
    625         u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    626         returnedCharBuffer = fgets(charBuffer, sizeof(charBuffer)/sizeof(charBuffer[0]), stdFile);
    627         returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
    628 
    629         if (!returnedCharBuffer && !returnedUCharBuffer) {
    630             /* Both returned NULL. stop. */
    631             break;
    632         }
    633         if (returnedCharBuffer != charBuffer) {
    634             log_err("Didn't get the charBuffer back\n");
    635             continue;
    636         }
    637         u_uastrncpy(expectedBuffer, charBuffer, (int32_t)strlen(charBuffer)+1);
    638         if (returnedUCharBuffer != buffer) {
    639             log_err("Didn't get the buffer back\n");
    640             continue;
    641         }
    642         if (u_strcmp(buffer, expectedBuffer) != 0) {
    643             log_err("buffers are different\n");
    644         }
    645         if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
    646             log_err("u_fgets wrote too much\n");
    647         }
    648     }
    649     fclose(stdFile);
    650     u_fclose(myFile);
    651 }
    652 
    653 static void TestfgetsNewLineHandling(void) {
    654     UChar buffer[256];
    655     static const UChar testUStr[][16] = {
    656         {0x000D, 0},
    657         {0x000D, 0x000A, 0},
    658         {0x000D, 0},
    659         {0x000D, 0},
    660         {0x0085, 0},
    661         {0x000A, 0},
    662         {0x000D, 0},
    663         {0x000B, 0},
    664         {0x000C, 0},
    665         {0x000C, 0},
    666         {0x2028, 0},
    667         {0x0085, 0},
    668         {0x2029, 0},
    669         {0x0085, 0},
    670 
    671         {0x008B, 0x000D, 0},
    672         {0x00A0, 0x000D, 0x000A, 0},
    673         {0x3000, 0x000D, 0},
    674         {0xd800, 0xdfff, 0x000D, 0},
    675         {0x00AB, 0x0085, 0},
    676         {0x00AC, 0x000A, 0},
    677         {0x00AD, 0x000D, 0},
    678         {0x00BA, 0x000B, 0},
    679         {0x00AB, 0x000C, 0},
    680         {0x00B1, 0x000C, 0},
    681         {0x30BB, 0x2028, 0},
    682         {0x00A5, 0x0085, 0},
    683         {0x0080, 0x2029, 0},
    684         {0x00AF, 0x0085, 0}
    685 
    686     };
    687     UFILE *myFile = NULL;
    688     int32_t lineIdx;
    689 
    690     myFile = u_fopen(STANDARD_TEST_FILE, "wb", NULL, "UTF-8");
    691     if (myFile == NULL) {
    692         log_err("Can't write test file.\n");
    693         return;
    694     }
    695     for (lineIdx = 0; lineIdx < (int32_t)(sizeof(testUStr)/sizeof(testUStr[0])); lineIdx++) {
    696         u_file_write(testUStr[lineIdx], u_strlen(testUStr[lineIdx]), myFile);
    697     }
    698     u_fclose(myFile);
    699 
    700     myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, "UTF-8");
    701 
    702     for (lineIdx = 0; lineIdx < (int32_t)(sizeof(testUStr)/sizeof(testUStr[0])); lineIdx++) {
    703         UChar *returnedUCharBuffer;
    704 
    705         u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    706         returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
    707 
    708         if (!returnedUCharBuffer) {
    709             /* Returned NULL. stop. */
    710             break;
    711         }
    712         if (u_strcmp(buffer, testUStr[lineIdx]) != 0) {
    713             log_err("buffers are different at index = %d\n", lineIdx);
    714         }
    715         if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
    716             log_err("u_fgets wrote too much\n");
    717         }
    718     }
    719     if (lineIdx != (int32_t)(sizeof(testUStr)/sizeof(testUStr[0]))) {
    720         log_err("u_fgets read too much\n");
    721     }
    722     if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != NULL) {
    723         log_err("u_file_write wrote too much\n");
    724     }
    725     u_fclose(myFile);
    726 }
    727 
    728 static void TestLineCount(const char *prefixLine, const char *line, int32_t numRepititions) {
    729     UChar buffer[64];
    730     UChar expectedBuffer[64];
    731     int32_t lineLen = strlen(line);
    732     UChar *returnedUCharBuffer;
    733     int32_t repetitions;
    734     UFILE *myFile = NULL;
    735     FILE *stdFile = fopen(STANDARD_TEST_FILE, "wb");
    736 
    737     if (stdFile == NULL) {
    738         log_err("Can't write test file.\n");
    739         return;
    740     }
    741     /* Write a prefix line and then write a bunch of lines */
    742     fwrite(prefixLine, strlen(prefixLine), 1, stdFile);
    743     for (repetitions = 0; repetitions < numRepititions; repetitions++) {
    744         fwrite(line, lineLen, 1, stdFile);
    745     }
    746     fclose(stdFile);
    747 
    748     myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, NULL);
    749     if (myFile == NULL) {
    750         log_err("Can't read test file.\n");
    751         return;
    752     }
    753 
    754     /* Read the prefix line. This can make sure that a Windows newline is either on a boundary or before it. */
    755     u_uastrncpy(expectedBuffer, prefixLine, (int32_t)strlen(prefixLine)+1);
    756     returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
    757     if (u_strcmp(returnedUCharBuffer, expectedBuffer) != 0) {
    758         log_err("prefix buffer is different. prefix=\"%s\"\n", prefixLine);
    759         return;
    760     }
    761 
    762     u_uastrncpy(expectedBuffer, line, (int32_t)strlen(line)+1);
    763     for (repetitions = 0; ; repetitions++) {
    764         u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    765         returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
    766 
    767         if (!returnedUCharBuffer) {
    768             /* returned NULL. stop. */
    769             break;
    770         }
    771         if (u_strcmp(buffer, expectedBuffer) != 0) {
    772             log_err("buffers are different at count %d\n", repetitions);
    773         }
    774         if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
    775             log_err("u_fgets wrote too much\n");
    776         }
    777     }
    778     if (repetitions != numRepititions) {
    779         log_err("got wrong number of lines. got=%d expected=%d\n", repetitions, numRepititions);
    780     }
    781     u_fclose(myFile);
    782 }
    783 
    784 static void TestfgetsNewLineCount(void) {
    785     /* This makes sure that lines are correctly handled between buffer boundaries. */
    786     TestLineCount("\n", "\n", 1024);    /* Unix newlines */
    787     TestLineCount("\r\n", "\r\n", 1024);/* Windows newlines */
    788     TestLineCount("a\r\n", "\r\n", 1024);/* Windows newlines offset by 1 byte */
    789     TestLineCount("\r\n", "a\r\n", 1024);/* Windows newlines offset with data */
    790     TestLineCount("\n", "a\n", 1024);    /* Unix newlines offset with data */
    791     TestLineCount("\n", "\r\n", 1024);  /* a mixed number of lines. */
    792 }
    793 
    794 static void TestFgetsLineBuffering(void) {
    795     UChar buffer[2003]; /* Use a non-power of 2 or 10 */
    796     UChar *returnedUCharBuffer;
    797     int32_t repetitions;
    798     UFILE *myFile = NULL;
    799     FILE *stdFile = fopen(STANDARD_TEST_FILE, "wb");
    800 
    801     if (stdFile == NULL) {
    802         log_err("Can't write test file.\n");
    803         return;
    804     }
    805     u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
    806 
    807     /* Write one very long line */
    808     for (repetitions = 0; repetitions < ((sizeof(buffer)/sizeof(buffer[0]))*2); repetitions++) {
    809         fwrite(repetitions ? "1" : "2", 1, 1, stdFile);
    810     }
    811     fclose(stdFile);
    812 
    813     myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, NULL);
    814     if (myFile == NULL) {
    815         log_err("Can't read test file.\n");
    816         return;
    817     }
    818 
    819     /* Read part of one very long line */
    820     returnedUCharBuffer = u_fgets(buffer, (sizeof(buffer)/sizeof(buffer[0]))-1, myFile);
    821     if (u_strlen(returnedUCharBuffer) != ((sizeof(buffer)/sizeof(buffer[0]))-2)) {
    822         log_err("Line is wrong length. Got %d. Expected %d.\n",
    823             u_strlen(returnedUCharBuffer), ((sizeof(buffer)/sizeof(buffer[0]))-2));
    824     }
    825     /* We better not read too much */
    826     if (buffer[(sizeof(buffer)/sizeof(buffer[0]))-1] != 0xBEEF) {
    827         log_err("Too much data was written\n");
    828     }
    829 
    830     u_fclose(myFile);
    831 }
    832 
    833 
    834 static void TestCodepage(void) {
    835     UFILE *myFile = NULL;
    836     static const UChar strABAccentA[] = { 0x0041, 0x0042, 0x00C1, 0x0043, 0};
    837     static const UChar strBadConversion[] = { 0x0041, 0x0042, 0xfffd, 0x0043, 0};
    838     UChar testBuf[sizeof(strABAccentA)/sizeof(strABAccentA[0])*2]; /* *2 to see if too much was  */
    839     char convName[UCNV_MAX_CONVERTER_NAME_LENGTH];
    840     int32_t retVal;
    841     UErrorCode status = U_ZERO_ERROR;
    842 
    843     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "absurd converter that can't be opened");
    844 
    845     if (myFile) {
    846         log_err("Recieved a UFILE * with an invalid codepage parameter\n");
    847         u_fclose(myFile);
    848     }
    849 
    850     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "ISO-8859-1");
    851     if (myFile == NULL) {
    852         log_err("Can't write test file for iso-8859-1.\n");
    853         return;
    854     }
    855     if (strcmp("ISO-8859-1", u_fgetcodepage(myFile)) != 0) {
    856         log_err("Couldn't get ISO-8859-1 back as opened codepage\n");
    857     }
    858     u_file_write(strABAccentA, u_strlen(strABAccentA), myFile);
    859     u_fclose(myFile);
    860 
    861     /* Now see what we got wrote */
    862     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, NULL);
    863     if (u_fsetcodepage("ISO-8859-1", myFile) != 0) {
    864         log_err("u_fsetcodepage didn't set the codepage\n");
    865     }
    866     retVal = u_file_read(testBuf, u_strlen(strABAccentA), myFile);
    867     if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
    868         log_err("The test data was read and written differently!\n");
    869     }
    870     if (retVal != u_strlen(strABAccentA)) {
    871         log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
    872     }
    873     u_fclose(myFile);
    874 
    875     /* What happens on invalid input? */
    876     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "ISO-8859-1");
    877     if (strcmp(ucnv_getName(u_fgetConverter(myFile), &status), "ISO-8859-1") != 0) {
    878         log_err("u_fgetConverter returned %s\n", ucnv_getName(u_fgetConverter(myFile), &status));
    879     }
    880     if (u_fsetcodepage("UTF-8", myFile) != 0) {
    881         log_err("u_fsetcodepage didn't set the codepage to UTF-8\n");
    882     }
    883     if (strcmp(ucnv_getName(u_fgetConverter(myFile), &status), "UTF-8") != 0) {
    884         log_err("u_fgetConverter returned %s\n", ucnv_getName(u_fgetConverter(myFile), &status));
    885     }
    886     retVal = u_file_read(testBuf, u_strlen(strBadConversion), myFile);
    887     if (u_strncmp(strBadConversion, testBuf, u_strlen(strBadConversion)) != 0) {
    888         log_err("The test data wasn't subsituted as expected\n");
    889     }
    890     u_fclose(myFile);
    891 
    892     /* Can't currently swap codepages midstream */
    893     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "ISO-8859-1");
    894     strcpy(convName, u_fgetcodepage(myFile));
    895     u_file_read(testBuf, 1, myFile);
    896     if (u_fsetcodepage("UTF-8", myFile) == 0) {
    897         log_err("u_fsetcodepage set the codepage after reading a byte\n");
    898     }
    899     retVal = u_file_read(testBuf + 1, u_strlen(strABAccentA) - 1, myFile);
    900     if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
    901         log_err("u_fsetcodepage changed the codepages after writing data\n");
    902     }
    903     if ((retVal + 1) != u_strlen(strABAccentA)) {
    904         log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
    905     }
    906     u_frewind(myFile);
    907     retVal = u_file_read(testBuf, u_strlen(strABAccentA), myFile);
    908     if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
    909         log_err("The test data was read and written differently!\n");
    910     }
    911     if (retVal != u_strlen(strABAccentA)) {
    912         log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
    913     }
    914     u_fclose(myFile);
    915 
    916 }
    917 
    918 static void TestCodepageFlush(void) {
    919 #if UCONFIG_NO_LEGACY_CONVERSION || UCONFIG_NO_FORMATTING
    920   log_verbose("Skipping, legacy conversion or formatting is disabled.");
    921 #else
    922   UChar utf16String[] = { 0x39, 0x39, 0x39, 0x20, 0x65E0, 0x6CD6, 0x5728, 0x0000 };
    923   uint8_t inBuf[200];
    924   size_t inLen =0;
    925   const char *enc = "IBM-1388"; /* GBK EBCDIC stateful */
    926   UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "wb", STANDARD_TEST_LOCALE, enc);
    927   FILE *myCFile;
    928   int shift = 0;
    929   int32_t i;
    930 
    931   if (myFile == NULL) {
    932     log_err("Can't write test file %s\n", STANDARD_TEST_FILE);
    933     return;
    934   }
    935 
    936   u_fprintf(myFile, "%S", utf16String);
    937   u_fclose(myFile);
    938 
    939   /* now read it back */
    940     myCFile = fopen(STANDARD_TEST_FILE, "rb");
    941     if (myCFile == NULL) {
    942         log_err("Can't read test file.");
    943         return;
    944     }
    945 
    946     inLen = fread(inBuf, 1, 200, myCFile);
    947     fclose(myCFile);
    948 
    949     if(inLen<=0) {
    950       log_err("Failed during read of test file.");
    951       return;
    952     }
    953 
    954     /* check if shift in and out */
    955     for(i=0;i<(int32_t)inLen;i++) {
    956       if(inBuf[i]==0x0E) {  /* SO */
    957         shift= 1;
    958       } else if(inBuf[i]==0x0F) { /* SI */
    959         shift= -1;
    960       }
    961     }
    962 
    963     if(shift==0) {
    964       log_err("Err: shift was unchanged\n");
    965     } else if(shift==1) {
    966       log_err("Err: at end of string, we were still shifted out (SO, 0x0E).\n");
    967     } else if(shift==-1) {
    968       log_verbose("OK: Shifted in (SI, 0x0F)\n");
    969     }
    970 
    971     if(inLen != 12) {
    972       log_err("Expected 12 bytes, read %d\n", inLen);
    973     } else {
    974       log_verbose("OK: read %d bytes\n", inLen);
    975     }
    976 
    977 
    978 #endif
    979 }
    980 
    981 #if !UCONFIG_NO_FORMATTING
    982 static void TestFilePrintCompatibility(void) {
    983     UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "wb", STANDARD_TEST_LOCALE, NULL);
    984     FILE *myCFile;
    985     int32_t num;
    986     char cVal;
    987     static const UChar emptyStr[] = {0};
    988     char readBuf[512] = "";
    989     char testBuf[512] = "";
    990     int32_t n = 0;
    991 
    992     if (myFile == NULL) {
    993         log_err("Can't write test file.\n");
    994         return;
    995     }
    996 #if !UCONFIG_NO_FORMATTING
    997     if (strcmp(u_fgetlocale(myFile), STANDARD_TEST_LOCALE) != 0) {
    998         log_err("Got %s instead of en_US_POSIX for locale\n", u_fgetlocale(myFile));
    999     }
   1000 #endif
   1001 
   1002     /* Compare against C API compatibility */
   1003     for (num = -STANDARD_TEST_NUM_RANGE; num < STANDARD_TEST_NUM_RANGE; num++) {
   1004         u_fprintf(myFile, "%x ", num);
   1005         u_fprintf(myFile, "%X ", num);
   1006         u_fprintf(myFile, "%o ", num);
   1007         u_fprintf(myFile, "%d ", num);
   1008         u_fprintf(myFile, "%i ", num);
   1009         u_fprintf(myFile, "%f ", (double)num);
   1010 /*        u_fprintf(myFile, "%e ", (double)num);
   1011         u_fprintf(myFile, "%E ", (double)num);*/
   1012         u_fprintf(myFile, "%g ", (double)num);
   1013         u_fprintf(myFile, "%G", (double)num);
   1014         u_fputs(emptyStr, myFile);
   1015     }
   1016 
   1017     u_fprintf_u(myFile, NEW_LINE);
   1018 
   1019     for (num = 0; num < 0x80; num++) {
   1020         u_fprintf(myFile, "%c", num);
   1021     }
   1022 
   1023     u_fclose(myFile);
   1024     myCFile = fopen(STANDARD_TEST_FILE, "rb");
   1025     if (myCFile == NULL) {
   1026         log_err("Can't read test file.");
   1027         return;
   1028     }
   1029 
   1030     for (num = -STANDARD_TEST_NUM_RANGE; num < STANDARD_TEST_NUM_RANGE; num++) {
   1031         /* Note: gcc on Ubuntu complains if return value of scanf is ignored. */
   1032         n += fscanf(myCFile, "%s", readBuf);
   1033         sprintf(testBuf, "%x", (int)num);
   1034         if (strcmp(readBuf, testBuf) != 0) {
   1035             log_err("%%x Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1036         }
   1037 
   1038         n += fscanf(myCFile, "%s", readBuf);
   1039         sprintf(testBuf, "%X", (int)num);
   1040         if (strcmp(readBuf, testBuf) != 0) {
   1041             log_err("%%X Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1042         }
   1043 
   1044         n += fscanf(myCFile, "%s", readBuf);
   1045         sprintf(testBuf, "%o", (int)num);
   1046         if (strcmp(readBuf, testBuf) != 0) {
   1047             log_err("%%o Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1048         }
   1049 
   1050         /* fprintf is not compatible on all platforms e.g. the iSeries */
   1051         n += fscanf(myCFile, "%s", readBuf);
   1052         sprintf(testBuf, "%d", (int)num);
   1053         if (strcmp(readBuf, testBuf) != 0) {
   1054             log_err("%%d Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1055         }
   1056 
   1057         n += fscanf(myCFile, "%s", readBuf);
   1058         sprintf(testBuf, "%i", (int)num);
   1059         if (strcmp(readBuf, testBuf) != 0) {
   1060             log_err("%%i Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1061         }
   1062 
   1063         n += fscanf(myCFile, "%s", readBuf);
   1064         sprintf(testBuf, "%f", (double)num);
   1065         if (strcmp(readBuf, testBuf) != 0) {
   1066             log_err("%%f Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1067         }
   1068 
   1069 /*        fscanf(myCFile, "%s", readBuf);
   1070         sprintf(testBuf, "%e", (double)num);
   1071         if (strcmp(readBuf, testBuf) != 0) {
   1072             log_err("%%e Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1073         }
   1074 
   1075         fscanf(myCFile, "%s", readBuf);
   1076         sprintf(testBuf, "%E", (double)num);
   1077         if (strcmp(readBuf, testBuf) != 0) {
   1078             log_err("%%E Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1079         }*/
   1080 
   1081         n += fscanf(myCFile, "%s", readBuf);
   1082         sprintf(testBuf, "%g", (double)num);
   1083         if (strcmp(readBuf, testBuf) != 0) {
   1084             log_err("%%g Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1085         }
   1086 
   1087         n += fscanf(myCFile, "%s", readBuf);
   1088         sprintf(testBuf, "%G", (double)num);
   1089         if (strcmp(readBuf, testBuf) != 0) {
   1090             log_err("%%G Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
   1091         }
   1092     }
   1093 
   1094     /* Properly eat the newlines */
   1095     for (num = 0; num < (int32_t)strlen(C_NEW_LINE); num++) {
   1096         n += fscanf(myCFile, "%c", &cVal);
   1097         if (cVal != C_NEW_LINE[num]) {
   1098             log_err("OS newline error\n");
   1099         }
   1100     }
   1101     for (num = 0; num < (int32_t)strlen(C_NEW_LINE); num++) {
   1102         n += fscanf(myCFile, "%c", &cVal);
   1103         if (cVal != C_NEW_LINE[num]) {
   1104             log_err("ustdio newline error\n");
   1105         }
   1106     }
   1107 
   1108     for (num = 0; num < 0x80; num++) {
   1109         cVal = -1;
   1110         n += fscanf(myCFile, "%c", &cVal);
   1111         if (num != cVal) {
   1112             log_err("%%c Got: 0x%x, Expected: 0x%x\n", cVal, num);
   1113         }
   1114     }
   1115     (void)n;
   1116     fclose(myCFile);
   1117 }
   1118 #endif
   1119 
   1120 #define TestFPrintFormat(uFormat, uValue, cFormat, cValue) \
   1121     myFile = u_fopen(STANDARD_TEST_FILE, "w", STANDARD_TEST_LOCALE, NULL);\
   1122     if (myFile == NULL) {\
   1123         log_err("Can't write test file for %s.\n", uFormat);\
   1124         return;\
   1125     }\
   1126     /* Reinitialize the buffer to verify null termination works. */\
   1127     u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));\
   1128     memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));\
   1129     \
   1130     uNumPrinted = u_fprintf(myFile, uFormat, uValue);\
   1131     u_fclose(myFile);\
   1132     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);\
   1133     u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);\
   1134     u_fclose(myFile);\
   1135     u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));\
   1136     cNumPrinted = sprintf(buffer, cFormat, cValue);\
   1137     if (strcmp(buffer, compBuffer) != 0) {\
   1138         log_err("%" uFormat " Got: \"%s\", Expected: \"%s\"\n", compBuffer, buffer);\
   1139     }\
   1140     if (cNumPrinted != uNumPrinted) {\
   1141         log_err("%" uFormat " number printed Got: %d, Expected: %d\n", uNumPrinted, cNumPrinted);\
   1142     }\
   1143     if (buffer[uNumPrinted+1] != '*') {\
   1144         log_err("%" uFormat " too much stored\n");\
   1145     }\
   1146 
   1147 #if !UCONFIG_NO_FORMATTING
   1148 static void TestFprintfFormat(void) {
   1149     static const UChar abcUChars[] = {0x61,0x62,0x63,0};
   1150     static const char abcChars[] = "abc";
   1151     UChar uBuffer[256];
   1152     char buffer[256];
   1153     char compBuffer[256];
   1154     int32_t uNumPrinted;
   1155     int32_t cNumPrinted;
   1156     UFILE *myFile;
   1157 
   1158     TestFPrintFormat("%8S", abcUChars, "%8s", abcChars);
   1159     TestFPrintFormat("%-8S", abcUChars, "%-8s", abcChars);
   1160     TestFPrintFormat("%.2S", abcUChars, "%.2s", abcChars); /* strlen is 3 */
   1161 
   1162     TestFPrintFormat("%8s", abcChars, "%8s", abcChars);
   1163     TestFPrintFormat("%-8s", abcChars, "%-8s", abcChars);
   1164     TestFPrintFormat("%.2s", abcChars, "%.2s", abcChars); /* strlen is 3 */
   1165 
   1166     TestFPrintFormat("%8c", (char)'e', "%8c", (char)'e');
   1167     TestFPrintFormat("%-8c", (char)'e', "%-8c", (char)'e');
   1168 
   1169     TestFPrintFormat("%8C", (UChar)0x65, "%8c", (char)'e');
   1170     TestFPrintFormat("%-8C", (UChar)0x65, "%-8c", (char)'e');
   1171 
   1172     TestFPrintFormat("%f", 1.23456789, "%f", 1.23456789);
   1173     TestFPrintFormat("%f", 12345.6789, "%f", 12345.6789);
   1174     TestFPrintFormat("%f", 123456.789, "%f", 123456.789);
   1175     TestFPrintFormat("%f", 1234567.89, "%f", 1234567.89);
   1176     TestFPrintFormat("%10f", 1.23456789, "%10f", 1.23456789);
   1177     TestFPrintFormat("%-10f", 1.23456789, "%-10f", 1.23456789);
   1178     TestFPrintFormat("%10f", 123.456789, "%10f", 123.456789);
   1179     TestFPrintFormat("%10.4f", 123.456789, "%10.4f", 123.456789);
   1180     TestFPrintFormat("%-10f", 123.456789, "%-10f", 123.456789);
   1181 
   1182 /*    TestFPrintFormat("%g", 12345.6789, "%g", 12345.6789);
   1183     TestFPrintFormat("%g", 123456.789, "%g", 123456.789);
   1184     TestFPrintFormat("%g", 1234567.89, "%g", 1234567.89);
   1185     TestFPrintFormat("%G", 123456.789, "%G", 123456.789);
   1186     TestFPrintFormat("%G", 1234567.89, "%G", 1234567.89);*/
   1187     TestFPrintFormat("%10g", 1.23456789, "%10g", 1.23456789);
   1188     TestFPrintFormat("%10.4g", 1.23456789, "%10.4g", 1.23456789);
   1189     TestFPrintFormat("%-10g", 1.23456789, "%-10g", 1.23456789);
   1190     TestFPrintFormat("%10g", 123.456789, "%10g", 123.456789);
   1191     TestFPrintFormat("%-10g", 123.456789, "%-10g", 123.456789);
   1192 
   1193     TestFPrintFormat("%8x", 123456, "%8x", 123456);
   1194     TestFPrintFormat("%-8x", 123456, "%-8x", 123456);
   1195     TestFPrintFormat("%08x", 123456, "%08x", 123456);
   1196 
   1197     TestFPrintFormat("%8X", 123456, "%8X", 123456);
   1198     TestFPrintFormat("%-8X", 123456, "%-8X", 123456);
   1199     TestFPrintFormat("%08X", 123456, "%08X", 123456);
   1200     TestFPrintFormat("%#x", 123456, "%#x", 123456);
   1201     TestFPrintFormat("%#x", -123456, "%#x", -123456);
   1202 
   1203     TestFPrintFormat("%8o", 123456, "%8o", 123456);
   1204     TestFPrintFormat("%-8o", 123456, "%-8o", 123456);
   1205     TestFPrintFormat("%08o", 123456, "%08o", 123456);
   1206     TestFPrintFormat("%#o", 123, "%#o", 123);
   1207     TestFPrintFormat("%#o", -123, "%#o", -123);
   1208 
   1209     TestFPrintFormat("%8u", 123456, "%8u", 123456);
   1210     TestFPrintFormat("%-8u", 123456, "%-8u", 123456);
   1211     TestFPrintFormat("%08u", 123456, "%08u", 123456);
   1212     TestFPrintFormat("%8u", -123456, "%8u", -123456);
   1213     TestFPrintFormat("%-8u", -123456, "%-8u", -123456);
   1214     TestFPrintFormat("%.5u", 123456, "%.5u", 123456);
   1215     TestFPrintFormat("%.6u", 123456, "%.6u", 123456);
   1216     TestFPrintFormat("%.7u", 123456, "%.7u", 123456);
   1217 
   1218     TestFPrintFormat("%8d", 123456, "%8d", 123456);
   1219     TestFPrintFormat("%-8d", 123456, "%-8d", 123456);
   1220     TestFPrintFormat("%08d", 123456, "%08d", 123456);
   1221     TestFPrintFormat("% d", 123456, "% d", 123456);
   1222     TestFPrintFormat("% d", -123456, "% d", -123456);
   1223 
   1224     TestFPrintFormat("%8i", 123456, "%8i", 123456);
   1225     TestFPrintFormat("%-8i", 123456, "%-8i", 123456);
   1226     TestFPrintFormat("%08i", 123456, "%08i", 123456);
   1227 
   1228     log_verbose("Get really crazy with the formatting.\n");
   1229 
   1230     TestFPrintFormat("%-#12x", 123, "%-#12x", 123);
   1231     TestFPrintFormat("%-#12x", -123, "%-#12x", -123);
   1232     TestFPrintFormat("%#12x", 123, "%#12x", 123);
   1233     TestFPrintFormat("%#12x", -123, "%#12x", -123);
   1234 
   1235     TestFPrintFormat("%-+12d", 123,  "%-+12d", 123);
   1236     TestFPrintFormat("%-+12d", -123, "%-+12d", -123);
   1237     TestFPrintFormat("%- 12d", 123,  "%- 12d", 123);
   1238     TestFPrintFormat("%- 12d", -123, "%- 12d", -123);
   1239     TestFPrintFormat("%+12d", 123,   "%+12d", 123);
   1240     TestFPrintFormat("%+12d", -123,  "%+12d", -123);
   1241     TestFPrintFormat("% 12d", 123,   "% 12d", 123);
   1242     TestFPrintFormat("% 12d", -123,  "% 12d", -123);
   1243     TestFPrintFormat("%12d", 123,    "%12d", 123);
   1244     TestFPrintFormat("%12d", -123,   "%12d", -123);
   1245     TestFPrintFormat("%.12d", 123,   "%.12d", 123);
   1246     TestFPrintFormat("%.12d", -123,  "%.12d", -123);
   1247 
   1248     TestFPrintFormat("%-+12.1f", 1.234,  "%-+12.1f", 1.234);
   1249     TestFPrintFormat("%-+12.1f", -1.234, "%-+12.1f", -1.234);
   1250     TestFPrintFormat("%- 12.10f", 1.234, "%- 12.10f", 1.234);
   1251     TestFPrintFormat("%- 12.1f", -1.234, "%- 12.1f", -1.234);
   1252     TestFPrintFormat("%+12.1f", 1.234,   "%+12.1f", 1.234);
   1253     TestFPrintFormat("%+12.1f", -1.234,  "%+12.1f", -1.234);
   1254     TestFPrintFormat("% 12.1f", 1.234,   "% 12.1f", 1.234);
   1255     TestFPrintFormat("% 12.1f", -1.234,  "% 12.1f", -1.234);
   1256     TestFPrintFormat("%12.1f", 1.234,    "%12.1f", 1.234);
   1257     TestFPrintFormat("%12.1f", -1.234,   "%12.1f", -1.234);
   1258     TestFPrintFormat("%.2f", 1.234,      "%.2f", 1.234);
   1259     TestFPrintFormat("%.2f", -1.234,     "%.2f", -1.234);
   1260     TestFPrintFormat("%3f", 1.234,       "%3f", 1.234);
   1261     TestFPrintFormat("%3f", -1.234,      "%3f", -1.234);
   1262 
   1263     myFile = u_fopen(STANDARD_TEST_FILE, "w", STANDARD_TEST_LOCALE, NULL);
   1264     /* Reinitialize the buffer to verify null termination works. */
   1265     u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
   1266     memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));
   1267 
   1268     uNumPrinted = u_fprintf(myFile, "%d % d %d", -1234, 1234, 1234);
   1269     u_fclose(myFile);
   1270     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);
   1271     u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
   1272     u_fclose(myFile);
   1273     u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));
   1274     cNumPrinted = sprintf(buffer, "%d % d %d", -1234, 1234, 1234);
   1275     if (strcmp(buffer, compBuffer) != 0) {
   1276         log_err("%%d %% d %%d Got: \"%s\", Expected: \"%s\"\n", compBuffer, buffer);
   1277     }
   1278     if (cNumPrinted != uNumPrinted) {
   1279         log_err("%%d %% d %%d number printed Got: %d, Expected: %d\n", uNumPrinted, cNumPrinted);
   1280     }
   1281     if (buffer[uNumPrinted+1] != '*') {
   1282         log_err("%%d %% d %%d too much stored\n");
   1283     }
   1284 }
   1285 #endif
   1286 
   1287 #undef TestFPrintFormat
   1288 
   1289 #if !UCONFIG_NO_FORMATTING
   1290 static void TestFScanSetFormat(const char *format, const UChar *uValue, const char *cValue, UBool expectedToPass) {
   1291     UFILE *myFile;
   1292     UChar uBuffer[256];
   1293     char buffer[256];
   1294     char compBuffer[256];
   1295     int32_t uNumScanned;
   1296     int32_t cNumScanned;
   1297 
   1298     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
   1299     if (myFile == NULL) {
   1300         log_err("Can't write test file for %s.\n", format);
   1301         return;
   1302     }
   1303     /* Reinitialize the buffer to verify null termination works. */
   1304     u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
   1305     uBuffer[sizeof(uBuffer)/sizeof(*uBuffer)-1] = 0;
   1306     memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));
   1307     buffer[sizeof(buffer)/sizeof(*buffer)-1] = 0;
   1308 
   1309     u_fprintf(myFile, "%S", uValue);
   1310     u_fclose(myFile);
   1311     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);
   1312     uNumScanned = u_fscanf(myFile, format, uBuffer);
   1313     u_fclose(myFile);
   1314     if (expectedToPass) {
   1315         u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));
   1316         cNumScanned = sscanf(cValue, format, buffer);
   1317         if (strncmp(buffer, compBuffer, sizeof(buffer)/sizeof(*buffer)) != 0) {
   1318             log_err("%s Got: \"%s\", Expected: \"%s\"\n", format, compBuffer, buffer);
   1319         }
   1320         if (cNumScanned != uNumScanned) {
   1321             log_err("%s number printed Got: %d, Expected: %d\n", format, uNumScanned, cNumScanned);
   1322         }
   1323         if (uNumScanned > 0 && uBuffer[u_strlen(uBuffer)+1] != 0x2a) {
   1324             log_err("%s too much stored\n", format);
   1325         }
   1326     }
   1327     else {
   1328         if (uNumScanned != 0 || uBuffer[0] != 0x2a || uBuffer[1] != 0x2a) {
   1329             log_err("%s too much stored on a failure\n", format);
   1330         }
   1331     }
   1332 }
   1333 #endif
   1334 
   1335 #if !UCONFIG_NO_FORMATTING
   1336 static void TestFScanset(void) {
   1337     static const UChar abcUChars[] = {0x61,0x62,0x63,0x63,0x64,0x65,0x66,0x67,0};
   1338     static const char abcChars[] = "abccdefg";
   1339 
   1340     TestFScanSetFormat("%[bc]S", abcUChars, abcChars, TRUE);
   1341     TestFScanSetFormat("%[cb]S", abcUChars, abcChars, TRUE);
   1342 
   1343     TestFScanSetFormat("%[ab]S", abcUChars, abcChars, TRUE);
   1344     TestFScanSetFormat("%[ba]S", abcUChars, abcChars, TRUE);
   1345 
   1346     TestFScanSetFormat("%[ab]", abcUChars, abcChars, TRUE);
   1347     TestFScanSetFormat("%[ba]", abcUChars, abcChars, TRUE);
   1348 
   1349     TestFScanSetFormat("%[abcdefgh]", abcUChars, abcChars, TRUE);
   1350     TestFScanSetFormat("%[;hgfedcba]", abcUChars, abcChars, TRUE);
   1351 
   1352     TestFScanSetFormat("%[^a]", abcUChars, abcChars, TRUE);
   1353     TestFScanSetFormat("%[^e]", abcUChars, abcChars, TRUE);
   1354     TestFScanSetFormat("%[^ed]", abcUChars, abcChars, TRUE);
   1355     TestFScanSetFormat("%[^dc]", abcUChars, abcChars, TRUE);
   1356     TestFScanSetFormat("%[^e]  ", abcUChars, abcChars, TRUE);
   1357 
   1358     TestFScanSetFormat("%1[ab]  ", abcUChars, abcChars, TRUE);
   1359     TestFScanSetFormat("%2[^f]", abcUChars, abcChars, TRUE);
   1360 
   1361     TestFScanSetFormat("%[qrst]", abcUChars, abcChars, TRUE);
   1362 
   1363     /* Extra long string for testing */
   1364     TestFScanSetFormat("                                                                                                                         %[qrst]",
   1365         abcUChars, abcChars, TRUE);
   1366 
   1367     TestFScanSetFormat("%[a-]", abcUChars, abcChars, TRUE);
   1368 
   1369     /* Bad format */
   1370     TestFScanSetFormat("%[f-a]", abcUChars, abcChars, FALSE);
   1371     TestFScanSetFormat("%[c-a]", abcUChars, abcChars, FALSE);
   1372     TestFScanSetFormat("%[a", abcUChars, abcChars, FALSE);
   1373     /* The following is not deterministic on Windows */
   1374 /*    TestFScanSetFormat("%[a-", abcUChars, abcChars);*/
   1375 
   1376     /* TODO: Need to specify precision with a "*" */
   1377 }
   1378 #endif
   1379 #if !UCONFIG_NO_FORMATTING
   1380 static void TestBadFScanfFormat(const char *format, const UChar *uValue, const char *cValue) {
   1381     UFILE *myFile;
   1382     UChar uBuffer[256];
   1383     int32_t uNumScanned;
   1384 
   1385     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
   1386     if (myFile == NULL) {
   1387         log_err("Can't write test file for %s.\n", format);
   1388         return;
   1389     }
   1390     /* Reinitialize the buffer to verify null termination works. */
   1391     u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
   1392     uBuffer[sizeof(uBuffer)/sizeof(*uBuffer)-1] = 0;
   1393 
   1394     u_fprintf(myFile, "%S", uValue);
   1395     u_fclose(myFile);
   1396     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);
   1397     uNumScanned = u_fscanf(myFile, format, uBuffer);
   1398     u_fclose(myFile);
   1399     if (uNumScanned != 0 || uBuffer[0] != 0x2a || uBuffer[1] != 0x2a) {
   1400         log_err("%s too much stored on a failure\n", format);
   1401     }
   1402 }
   1403 #endif
   1404 #if !UCONFIG_NO_FORMATTING
   1405 static void TestBadScanfFormat(void) {
   1406     static const UChar abcUChars[] = {0x61,0x62,0x63,0x63,0x64,0x65,0x66,0x67,0};
   1407     static const char abcChars[] = "abccdefg";
   1408 
   1409     TestBadFScanfFormat("%[]  ", abcUChars, abcChars);
   1410 }
   1411 #endif
   1412 #if !UCONFIG_NO_FORMATTING
   1413 static void Test_u_vfprintf(const char *expectedResult, const char *format, ...) {
   1414     UChar uBuffer[256];
   1415     UChar uBuffer2[256];
   1416     va_list ap;
   1417     int32_t count;
   1418     UFILE *myFile;
   1419 
   1420     myFile = u_fopen(STANDARD_TEST_FILE, "w", STANDARD_TEST_LOCALE, "UTF-8");
   1421     if (!myFile) {
   1422         log_err("Test file can't be opened\n");
   1423         return;
   1424     }
   1425 
   1426     va_start(ap, format);
   1427     count = u_vfprintf(myFile, format, ap);
   1428     (void)count;    /* Suppress set but not used warning.  */
   1429     va_end(ap);
   1430 
   1431     u_fclose(myFile);
   1432 
   1433 
   1434     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, "UTF-8");
   1435     if (!myFile) {
   1436         log_err("Test file can't be opened\n");
   1437         return;
   1438     }
   1439     u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
   1440     u_uastrcpy(uBuffer2, expectedResult);
   1441     if (u_strcmp(uBuffer, uBuffer2) != 0) {
   1442         log_err("Got two different results for \"%s\" expected \"%s\"\n", format, expectedResult);
   1443     }
   1444     u_fclose(myFile);
   1445 
   1446 
   1447     myFile = u_fopen(STANDARD_TEST_FILE, "w", STANDARD_TEST_LOCALE, NULL);
   1448     if (!myFile) {
   1449         log_err("Test file can't be opened\n");
   1450         return;
   1451     }
   1452     u_uastrcpy(uBuffer, format);
   1453 
   1454     va_start(ap, format);
   1455     count = u_vfprintf_u(myFile, uBuffer, ap);
   1456     va_end(ap);
   1457 
   1458     u_fclose(myFile);
   1459 
   1460 
   1461     myFile = u_fopen(STANDARD_TEST_FILE, "r", STANDARD_TEST_LOCALE, NULL);
   1462     if (!myFile) {
   1463         log_err("Test file can't be opened\n");
   1464         return;
   1465     }
   1466     u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
   1467     u_uastrcpy(uBuffer2, expectedResult);
   1468     if (u_strcmp(uBuffer, uBuffer2) != 0) {
   1469         log_err("Got two different results for \"%s\" expected \"%s\"\n", format, expectedResult);
   1470     }
   1471     u_fclose(myFile);
   1472 }
   1473 
   1474 static void TestVargs(void) {
   1475     Test_u_vfprintf("8 9 a B 8.9", "%d %u %x %X %.1f", 8, 9, 10, 11, 8.9);
   1476 }
   1477 #endif
   1478 
   1479 static void TestUnicodeFormat(void)
   1480 {
   1481 #if !UCONFIG_NO_FORMATTING
   1482     /* Make sure that invariant conversion doesn't happen on the _u formats. */
   1483     UChar myUString[256];
   1484     UFILE *myFile;
   1485     static const UChar TEST_STR[] = { 0x03BC, 0x0025, 0x0024, 0};
   1486     static const UChar PERCENT_S[] = { 0x03BC, 0x0025, 0x0053, 0};
   1487 
   1488     u_memset(myUString, 0x2a, sizeof(myUString)/sizeof(*myUString));
   1489 
   1490     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
   1491     if (!myFile) {
   1492         log_err("Test file can't be opened\n");
   1493         return;
   1494     }
   1495     u_fprintf_u(myFile, PERCENT_S, TEST_STR);
   1496     u_fclose(myFile);
   1497 
   1498     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
   1499     if (!myFile) {
   1500         log_err("Test file can't be opened\n");
   1501         return;
   1502     }
   1503     u_fscanf_u(myFile, PERCENT_S, myUString);
   1504     u_fclose(myFile);
   1505     if (u_strcmp(TEST_STR, myUString) != 0) {
   1506         log_err("u_fscanf_u doesn't work.\n");
   1507     }
   1508 #endif
   1509 }
   1510 
   1511 static void TestFileWriteRetval(const char * a_pszEncoding) {
   1512     UChar * buffer;
   1513     UFILE * myFile;
   1514     int32_t count;
   1515     int32_t expected = 10000; /* test with large data to test internal buffer looping */
   1516     UChar   testChar = 0xBEEF;
   1517 
   1518     if (!*a_pszEncoding || 0 == strcmp(a_pszEncoding, "ASCII")) {
   1519         testChar = 0x65; /* 'A' - otherwise read test will fail */
   1520     }
   1521 
   1522     buffer = (UChar*) malloc(expected * sizeof(UChar));
   1523     if (!buffer) {
   1524         log_err("Out of memory\n");
   1525         return;
   1526     }
   1527 
   1528     /* write */
   1529     myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, a_pszEncoding);
   1530     if (!myFile) {
   1531         free(buffer);
   1532         log_err("Test file can't be opened for write\n");
   1533         return;
   1534     }
   1535     u_memset(buffer, testChar, expected);
   1536     count = u_file_write(buffer, expected, myFile);
   1537     u_fclose(myFile);
   1538     if (count != expected) {
   1539         free(buffer);
   1540         log_err("u_file_write returned incorrect number of characters written\n");
   1541         return;
   1542     }
   1543 
   1544     free(buffer);
   1545     buffer = NULL;
   1546 
   1547     /* read */
   1548     myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, a_pszEncoding);
   1549     if (!myFile) {
   1550         log_err("Test file can't be opened for read\n");
   1551         return;
   1552     }
   1553     for (count = 0; count < expected; ++count) {
   1554         UChar gotChar = u_fgetc(myFile);
   1555 	if(gotChar != testChar) {
   1556             log_err("u_fgetc returned unexpected character U+%04X expected U+%04X\n", gotChar, testChar);
   1557             u_fclose(myFile);
   1558             return;
   1559         }
   1560     }
   1561     if (u_fgetc(myFile) != U_EOF) {
   1562         log_err("u_fgetc did not return expected EOF\n");
   1563         u_fclose(myFile);
   1564         return;
   1565         }
   1566     u_fclose(myFile);
   1567 }
   1568 
   1569 static void TestFileWriteRetvalUTF16(void) {
   1570     TestFileWriteRetval("UTF-16");
   1571 }
   1572 
   1573 static void TestFileWriteRetvalUTF8(void) {
   1574     TestFileWriteRetval("UTF-8");
   1575 }
   1576 
   1577 static void TestFileWriteRetvalASCII(void) {
   1578     TestFileWriteRetval("ASCII");
   1579 }
   1580 
   1581 static void TestFileWriteRetvalNONE(void) {
   1582     TestFileWriteRetval("");
   1583 }
   1584 
   1585 U_CFUNC void
   1586 addFileTest(TestNode** root) {
   1587 #if !UCONFIG_NO_FORMATTING
   1588     addTest(root, &TestFile, "file/TestFile");
   1589     addTest(root, &TestFinit, "file/TestFinit");
   1590     addTest(root, &TestFadopt, "file/TestFadopt");
   1591 #endif
   1592     addTest(root, &StdinBuffering, "file/StdinBuffering");
   1593     addTest(root, &TestfgetsBuffers, "file/TestfgetsBuffers");
   1594     addTest(root, &TestFileReadBuffering, "file/TestFileReadBuffering");
   1595     addTest(root, &TestfgetsLineCount, "file/TestfgetsLineCount");
   1596     addTest(root, &TestfgetsNewLineHandling, "file/TestfgetsNewLineHandling");
   1597     addTest(root, &TestfgetsNewLineCount, "file/TestfgetsNewLineCount");
   1598     addTest(root, &TestFgetsLineBuffering, "file/TestFgetsLineBuffering");
   1599     addTest(root, &TestCodepage, "file/TestCodepage");
   1600     addTest(root, &TestCodepageFlush, "file/TestCodepageFlush");
   1601     addTest(root, &TestFileWriteRetvalUTF16, "file/TestFileWriteRetvalUTF16");
   1602     addTest(root, &TestFileWriteRetvalUTF8, "file/TestFileWriteRetvalUTF8");
   1603     addTest(root, &TestFileWriteRetvalASCII, "file/TestFileWriteRetvalASCII");
   1604     addTest(root, &TestFileWriteRetvalNONE, "file/TestFileWriteRetvalNONE");
   1605 #if !UCONFIG_NO_FORMATTING
   1606     addTest(root, &TestCodepageAndLocale, "file/TestCodepageAndLocale");
   1607     addTest(root, &TestFprintfFormat, "file/TestFprintfFormat");
   1608     addTest(root, &TestFScanset, "file/TestFScanset");
   1609     addTest(root, &TestFilePrintCompatibility, "file/TestFilePrintCompatibility");
   1610     addTest(root, &TestBadScanfFormat, "file/TestBadScanfFormat");
   1611     addTest(root, &TestVargs, "file/TestVargs");
   1612     addTest(root, &TestUnicodeFormat, "file/TestUnicodeFormat");
   1613 #endif
   1614 }
   1615