1/*
2 **********************************************************************
3 *   Copyright (C) 2004-2011, 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
23const char *STANDARD_TEST_FILE = "iotest-c.txt";
24
25
26#if !UCONFIG_NO_FORMATTING
27static void TestFileFromICU(UFILE *myFile) {
28    int32_t n[1];
29    float myFloat = -1234.0;
30    int32_t newValuePtr[1];
31    double newDoubleValuePtr[1];
32    UChar myUString[256];
33    UChar uStringBuf[256];
34    char myString[256] = "";
35    char testBuf[256] = "";
36    void *origPtr, *ptr;
37    U_STRING_DECL(myStringOrig, "My-String", 9);
38
39    U_STRING_INIT(myStringOrig, "My-String", 9);
40    u_memset(myUString, 0x2a, sizeof(myUString)/sizeof(*myUString));
41    u_memset(uStringBuf, 0x2a, sizeof(uStringBuf)/sizeof(*uStringBuf));
42    memset(myString, '*', sizeof(myString)/sizeof(*myString));
43    memset(testBuf, '*', sizeof(testBuf)/sizeof(*testBuf));
44
45    if (myFile == NULL) {
46        log_err("Can't write test file.\n");
47        return;
48    }
49
50    *n = -1234;
51    if (sizeof(void *) == 4) {
52        origPtr = (void *)0xdeadbeef;
53    } else if (sizeof(void *) == 8) {
54        origPtr = (void *) INT64_C(0x1000200030004000);
55    } else if (sizeof(void *) == 16) {
56        /* iSeries */
57        union {
58            int32_t arr[4];
59            void *ptr;
60        } massiveBigEndianPtr = {{ 0x10002000, 0x30004000, 0x50006000, 0x70008000 }};
61        origPtr = massiveBigEndianPtr.ptr;
62    } else {
63        log_err("sizeof(void*)=%d hasn't been tested before", (int)sizeof(void*));
64    }
65
66    /* Test fprintf */
67    u_fprintf(myFile, "Signed decimal integer %%d: %d\n", *n);
68    u_fprintf(myFile, "Signed decimal integer %%i: %i\n", *n);
69    u_fprintf(myFile, "Unsigned octal integer %%o: %o\n", *n);
70    u_fprintf(myFile, "Unsigned decimal integer %%u: %u\n", *n);
71    u_fprintf(myFile, "Lowercase unsigned hexadecimal integer %%x: %x\n", *n);
72    u_fprintf(myFile, "Uppercase unsigned hexadecimal integer %%X: %X\n", *n);
73    u_fprintf(myFile, "Float %%f: %f\n", myFloat);
74    u_fprintf(myFile, "Lowercase float %%e: %e\n", myFloat);
75    u_fprintf(myFile, "Uppercase float %%E: %E\n", myFloat);
76    u_fprintf(myFile, "Lowercase float %%g: %g\n", myFloat);
77    u_fprintf(myFile, "Uppercase float %%G: %G\n", myFloat);
78    u_fprintf(myFile, "Pointer %%p: %p\n", origPtr);
79    u_fprintf(myFile, "Char %%c: %c\n", 'A');
80    u_fprintf(myFile, "UChar %%C: %C\n", (UChar)0x0041); /*'A'*/
81    u_fprintf(myFile, "String %%s: %s\n", "My-String");
82    u_fprintf(myFile, "NULL String %%s: %s\n", NULL);
83    u_fprintf(myFile, "Unicode String %%S: %S\n", myStringOrig);
84    u_fprintf(myFile, "NULL Unicode String %%S: %S\n", NULL);
85    u_fprintf(myFile, "Percent %%P (non-ANSI): %P\n", myFloat);
86    u_fprintf(myFile, "Spell Out %%V (non-ANSI): %V\n", myFloat);
87
88    if (u_feof(myFile)) {
89        log_err("Got feof while writing the file.\n");
90    }
91
92    *n = 1;
93    u_fprintf(myFile, "\t\nPointer to integer (Count) %%n: n=%d %n n=%d\n", *n, n, *n);
94    u_fprintf(myFile, "Pointer to integer Value: %d\n", *n);
95    u_fprintf(myFile, "This is a long test123456789012345678901234567890123456789012345678901234567890\n");
96    *n = 1;
97    u_fprintf(myFile, "\tNormal fprintf count: n=%d %n n=%d\n", (int)*n, (int*)n, (int)*n);
98    fprintf(u_fgetfile(myFile), "\tNormal fprintf count value: n=%d\n", (int)*n); /* Should be 27 as stated later on. */
99
100    u_fclose(myFile);
101    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);
102
103    if (myFile == NULL) {
104        log_err("Can't read test file.");
105        return;
106    }
107
108    if (u_feof(myFile)) {
109        log_err("Got feof while reading the file and not at the end of the file.\n");
110    }
111
112    myUString[0] = u_fgetc(myFile);
113    if (myUString[0] != 0x53 /* S */) {
114        log_err("u_fgetc 1 returned %X. Expected 'S'.", myString[0]);
115    }
116    u_fungetc(myUString[0], myFile);
117    myUString[0] = u_fgetc(myFile);
118    if (myUString[0] != 0x53 /* S */) {
119        log_err("u_fgetc 2 returned %X. Expected 'S'.", myString[0]);
120    }
121    u_fungetc(myUString[0], myFile);
122    myUString[0] = u_fgetc(myFile);
123    if (myUString[0] != 0x53 /* S */) {
124        log_err("u_fgetc 3 returned %X. Expected 'S'.", myString[0]);
125    }
126    u_fungetc(myUString[0], myFile);
127    myUString[0] = u_fgetc(myFile);
128    myUString[1] = (UChar)u_fgetcx(myFile); /* Mix getc and getcx and see what happens. */
129    myUString[2] = u_fgetc(myFile);
130    if (myUString[0] != 0x53 /* S */ && myUString[1] != 0x69 /* i */ && myUString[2] != 0x6E /* n */) {
131        log_err("u_fgetcx returned \\u%04X\\u%04X\\u%04X. Expected 'Sin'.", myString[0], myString[1], myString[2]);
132    }
133    u_fungetc(myUString[2], myFile);
134    u_fungetc(myUString[1], myFile);
135    u_fungetc(myUString[0], myFile);
136
137    *n = -1234;
138
139    *newValuePtr = 1;
140    u_fscanf(myFile, "Signed decimal integer %%d: %d\n", newValuePtr);
141    if (*n != *newValuePtr) {
142        log_err("%%d Got: %d, Expected: %d\n", *newValuePtr, *n);
143    }
144    *newValuePtr = 1;
145    u_fscanf(myFile, "Signed decimal integer %%i: %i\n", newValuePtr);
146    if (*n != *newValuePtr) {
147        log_err("%%i Got: %i, Expected: %i\n", *newValuePtr, *n);
148    }
149    *newValuePtr = 1;
150    u_fscanf(myFile, "Unsigned octal integer %%o: %o\n", newValuePtr);
151    if (*n != *newValuePtr) {
152        log_err("%%o Got: %o, Expected: %o\n", *newValuePtr, *n);
153    }
154    *newValuePtr = 1;
155    u_fscanf(myFile, "Unsigned decimal integer %%u: %u\n", newValuePtr);
156    if (*n != *newValuePtr) {
157        log_err("%%u Got: %u, Expected: %u\n", *newValuePtr, *n);
158    }
159    *newValuePtr = 1;
160    u_fscanf(myFile, "Lowercase unsigned hexadecimal integer %%x: %x\n", newValuePtr);
161    if (*n != *newValuePtr) {
162        log_err("%%x Got: %x, Expected: %x\n", *newValuePtr, *n);
163    }
164    *newValuePtr = 1;
165    u_fscanf(myFile, "Uppercase unsigned hexadecimal integer %%X: %X\n", newValuePtr);
166    if (*n != *newValuePtr) {
167        log_err("%%X Got: %X, Expected: %X\n", *newValuePtr, *n);
168    }
169    *newDoubleValuePtr = -1.0;
170    u_fscanf(myFile, "Float %%f: %lf\n", newDoubleValuePtr);
171    if (myFloat != *newDoubleValuePtr) {
172        log_err("%%f Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
173    }
174    *newDoubleValuePtr = -1.0;
175    u_fscanf(myFile, "Lowercase float %%e: %le\n", newDoubleValuePtr);
176    if (myFloat != *newDoubleValuePtr) {
177        log_err("%%e Got: %e, Expected: %e\n", *newDoubleValuePtr, myFloat);
178    }
179    *newDoubleValuePtr = -1.0;
180    u_fscanf(myFile, "Uppercase float %%E: %lE\n", newDoubleValuePtr);
181    if (myFloat != *newDoubleValuePtr) {
182        log_err("%%E Got: %E, Expected: %E\n", *newDoubleValuePtr, myFloat);
183    }
184    *newDoubleValuePtr = -1.0;
185    u_fscanf(myFile, "Lowercase float %%g: %lg\n", newDoubleValuePtr);
186    if (myFloat != *newDoubleValuePtr) {
187        log_err("%%g Got: %g, Expected: %g\n", *newDoubleValuePtr, myFloat);
188    }
189    *newDoubleValuePtr = -1.0;
190    u_fscanf(myFile, "Uppercase float %%G: %lG\n", newDoubleValuePtr);
191    if (myFloat != *newDoubleValuePtr) {
192        log_err("%%G Got: %G, Expected: %G\n", *newDoubleValuePtr, myFloat);
193    }
194    ptr = NULL;
195    u_fscanf(myFile, "Pointer %%p: %p\n", &ptr);
196    if (ptr != origPtr) {
197        log_err("%%p Got: %p, Expected: %p\n", ptr, origPtr);
198    }
199    u_fscanf(myFile, "Char %%c: %c\n", myString);
200    if (*myString != 'A') {
201        log_err("%%c Got: %c, Expected: A\n", *myString);
202    }
203    u_fscanf(myFile, "UChar %%C: %C\n", myUString);
204    if (*myUString != (UChar)0x0041) { /*'A'*/
205        log_err("%%C Got: %C, Expected: A\n", *myUString);
206    }
207    u_fscanf(myFile, "String %%s: %s\n", myString);
208    if (strcmp(myString, "My-String")) {
209        log_err("%%s Got: %s, Expected: My String\n", myString);
210    }
211    u_fscanf(myFile, "NULL String %%s: %s\n", myString);
212    if (strcmp(myString, "(null)")) {
213        log_err("%%s Got: %s, Expected: My String\n", myString);
214    }
215    u_fscanf(myFile, "Unicode String %%S: %S\n", myUString);
216    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
217    if (strcmp(myString, "My-String")) {
218        log_err("%%S Got: %S, Expected: My String\n", myUString);
219    }
220    u_fscanf(myFile, "NULL Unicode String %%S: %S\n", myUString);
221    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
222    if (strcmp(myString, "(null)")) {
223        log_err("%%S Got: %S, Expected: My String\n", myUString);
224    }
225    *newDoubleValuePtr = -1.0;
226    u_fscanf(myFile, "Percent %%P (non-ANSI): %P\n", newDoubleValuePtr);
227    if (myFloat != *newDoubleValuePtr) {
228        log_err("%%P Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
229    }
230    *newDoubleValuePtr = -1.0;
231    u_fscanf(myFile, "Spell Out %%V (non-ANSI): %V\n", newDoubleValuePtr);
232    if (myFloat != *newDoubleValuePtr) {
233        log_err("%%V Got: %f, Expected: %f\n", *newDoubleValuePtr, myFloat);
234    }
235
236    u_fgets(myUString, 4, myFile);
237    myString[2] = '!';
238    myString[3] = '!';
239    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
240    if (myString == NULL || strcmp(myString, "\t\n") != 0) {
241        log_err("u_fgets got \"%s\"\n", myString);
242    }
243
244    if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
245        log_err("u_fgets did not return myUString\n");
246    }
247    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
248    if (myString == NULL || strcmp(myString, "Pointer to integer (Count) %n: n=1  n=1\n") != 0) {
249        log_err("u_fgets got \"%s\"\n", myString);
250    }
251
252    if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
253        log_err("u_fgets did not return myUString\n");
254    }
255    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
256    if (myString == NULL || strcmp(myString, "Pointer to integer Value: 37\n") != 0) {
257        log_err("u_fgets got \"%s\"\n", myString);
258    }
259
260    if (u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile) != myUString) {
261        log_err("u_fgets did not return myUString\n");
262    }
263    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
264    if (myString == NULL || strcmp(myString, "This is a long test123456789012345678901234567890123456789012345678901234567890\n") != 0) {
265        log_err("u_fgets got \"%s\"\n", myString);
266    }
267
268    if (u_fgets(myUString, 0, myFile) != NULL) {
269        log_err("u_fgets got \"%s\" and it should have returned NULL\n", myString);
270    }
271
272    if (u_fgets(myUString, 1, myFile) != myUString) {
273        log_err("u_fgets did not return myUString\n");
274    }
275    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
276    if (myString == NULL || strcmp(myString, "") != 0) {
277        log_err("u_fgets got \"%s\"\n", myString);
278    }
279
280    if (u_fgets(myUString, 2, myFile) != myUString) {
281        log_err("u_fgets did not return myUString\n");
282    }
283    u_austrncpy(myString, myUString, sizeof(myUString)/sizeof(*myUString));
284    if (myString == NULL || strcmp(myString, "\t") != 0) {
285        log_err("u_fgets got \"%s\"\n", myString);
286    }
287
288    u_austrncpy(myString, u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile),
289        sizeof(myUString)/sizeof(*myUString));
290    if (strcmp(myString, "Normal fprintf count: n=1  n=1\n") != 0) {
291        log_err("u_fgets got \"%s\"\n", myString);
292    }
293
294    if (u_feof(myFile)) {
295        log_err("Got feof while reading the file and not at the end of the file.\n");
296    }
297    u_austrncpy(myString, u_fgets(myUString, sizeof(myUString)/sizeof(*myUString), myFile),
298        sizeof(myUString)/sizeof(*myUString));
299    if (strcmp(myString, "\tNormal fprintf count value: n=27\n") != 0) {
300        log_err("u_fgets got \"%s\"\n", myString);
301    }
302    if (!u_feof(myFile)) {
303        log_err("Did not get feof while reading the end of the file.\n");
304    }
305    if (u_fscanf(myFile, "%S\n", myUString) != 0) {
306        log_err("u_fscanf read data while reading the end of the file.\n");
307    }
308
309    u_fclose(myFile);
310}
311
312static void TestFile(void) {
313/*    FILE *standardFile;*/
314
315    log_verbose("Testing u_fopen\n");
316    TestFileFromICU(u_fopen(STANDARD_TEST_FILE, "w", "en_US_POSIX", NULL));
317
318/* Don't know how to make this work without stdout or stderr */
319/*
320    log_verbose("Testing u_finit\n");
321    standardFile = fopen(STANDARD_TEST_FILE, "wb");
322    TestFileFromICU(u_finit(standardFile, NULL, NULL));
323    fclose(standardFile);
324
325    log_verbose("Testing u_fadopt\n");
326    standardFile = fopen(STANDARD_TEST_FILE, "wb");
327    TestFileFromICU(u_fadopt(standardFile, NULL, NULL));
328*/
329}
330#endif
331
332static void StdinBuffering(void) {
333#if 0
334    UChar buff[255];
335    int32_t num = 0;
336    UFILE *uStdIn = NULL;
337    UFILE *uStdOut = NULL;
338    uStdIn = u_finit(stdin, NULL, NULL);
339    uStdOut = u_finit(stdout, NULL, NULL);
340    if (uStdIn == NULL)
341        return;
342
343    buff[0] = 0x40;
344    buff[1] = 0;
345    u_fgets(buff, sizeof(buff)/sizeof(buff[0]), uStdIn);
346    u_fprintf(uStdOut, "%S\n", buff);
347    u_fscanf(uStdIn, "%d", &num);
348    u_fprintf(uStdOut, "%d\n", num);
349    u_fscanf(uStdIn, "%d", &num);
350    u_fprintf(uStdOut, "%d\n", num);
351#else
352    log_verbose("Test disabled because it requires user interaction");
353#endif
354}
355
356static void TestCodepageAndLocale(void) {
357    UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
358    if (myFile == NULL) {
359        log_err("Can't write test file.\n");
360        return;
361    }
362    if (u_fgetcodepage(myFile) == NULL
363        || strcmp(u_fgetcodepage(myFile), ucnv_getDefaultName()) != 0)
364    {
365        log_err("Didn't get the proper default codepage. Got %s expected: %s\n",
366            u_fgetcodepage(myFile), ucnv_getDefaultName());
367    }
368#if !UCONFIG_NO_FORMATTING
369    if (u_fgetlocale(myFile) == NULL
370        || strcmp(u_fgetlocale(myFile), uloc_getDefault()) != 0)
371    {
372        log_err("Didn't get the proper default locale. Got %s expected: %s\n",
373            u_fgetlocale(myFile), uloc_getDefault());
374    }
375#endif
376    u_fclose(myFile);
377
378    myFile = u_fopen(STANDARD_TEST_FILE, "w", "es", NULL);
379    if (u_fgetcodepage(myFile) == NULL
380        || strcmp(u_fgetcodepage(myFile), ucnv_getDefaultName()) != 0)
381    {
382        log_err("Didn't get the proper default codepage for \"es\". Got %s expected: iso-8859-1\n",
383            u_fgetcodepage(myFile));
384    }
385#if !UCONFIG_NO_FORMATTING
386    if (u_fgetlocale(myFile) == NULL
387        || strcmp(u_fgetlocale(myFile), "es") != 0)
388    {
389        log_err("Didn't get the proper default locale. Got %s expected: %s\n",
390            u_fgetlocale(myFile), "es");
391    }
392#endif
393    u_fclose(myFile);
394
395    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
396    if (u_fgetcodepage(myFile) == NULL
397        || strcmp(u_fgetcodepage(myFile), "UTF-16") != 0)
398    {
399        log_err("Didn't get the proper default codepage for \"en\". Got %s expected: iso-8859-1\n",
400            u_fgetcodepage(myFile));
401    }
402#if !UCONFIG_NO_FORMATTING
403    if (u_fgetlocale(myFile) == NULL
404        || strcmp(u_fgetlocale(myFile), uloc_getDefault()) != 0)
405    {
406        log_err("Didn't get the proper default locale. Got %s expected: %s\n",
407            u_fgetlocale(myFile), uloc_getDefault());
408    }
409#endif
410    u_fclose(myFile);
411
412    myFile = u_fopen(STANDARD_TEST_FILE, "w", "zh", "UTF-16");
413    if (u_fgetcodepage(myFile) == NULL
414        || strcmp(u_fgetcodepage(myFile), "UTF-16") != 0)
415    {
416        log_err("Didn't get the proper default codepage for \"en\". Got %s expected: iso-8859-1\n",
417            u_fgetcodepage(myFile));
418    }
419#if !UCONFIG_NO_FORMATTING
420    if (u_fgetlocale(myFile) == NULL
421        || strcmp(u_fgetlocale(myFile), "zh") != 0)
422    {
423        log_err("Didn't get the proper default locale. Got %s expected: %s\n",
424            u_fgetlocale(myFile), "zh");
425    }
426#endif
427    u_fclose(myFile);
428}
429
430
431static void TestfgetsBuffers(void) {
432    UChar buffer[2048];
433    UChar expectedBuffer[2048];
434    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!";
435    UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
436    int32_t expectedSize = (int32_t)strlen(testStr);
437    int32_t readSize;
438    int32_t repetitions;
439
440    if (myFile == NULL) {
441        log_err("Can't write test file.\n");
442        return;
443    }
444
445    u_fputc(0x3BC, myFile);
446    if (u_fputc(0x110000, myFile) != U_EOF) {
447        log_err("u_fputc should return U_EOF for 0x110000.\n");
448    }
449    if (u_fputc((UChar32)0xFFFFFFFFu, myFile) != U_EOF) {
450        log_err("u_fputc should return U_EOF for 0xFFFFFFFF.\n");
451    }
452    u_fputc(0xFF41, myFile);
453    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
454    u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
455    u_uastrncpy(buffer, testStr, expectedSize+1);
456    for (repetitions = 0; repetitions < 16; repetitions++) {
457        u_file_write(buffer, expectedSize, myFile);
458        u_strcat(expectedBuffer, buffer);
459    }
460    u_fclose(myFile);
461
462    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
463    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-16");
464    if (u_fgetc(myFile) != 0x3BC) {
465        log_err("The first character is wrong\n");
466    }
467    if (u_fgetc(myFile) != 0xFF41) {
468        log_err("The second character is wrong\n");
469    }
470    if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != buffer) {
471        log_err("Didn't get the buffer back\n");
472        return;
473    }
474    readSize = u_strlen(buffer);
475    if (readSize != expectedSize*repetitions) {
476        log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), expectedSize*repetitions);
477    }
478    if (buffer[(expectedSize*repetitions) + 1] != 0xBEEF) {
479        log_err("u_fgets wrote too much data\n");
480    }
481    if (u_strcmp(buffer, expectedBuffer) != 0) {
482        log_err("Did get expected string back\n");
483    }
484    if (strcmp(u_fgetcodepage(myFile), "UTF-16") != 0) {
485        log_err("Got %s instead of UTF-16\n", u_fgetcodepage(myFile));
486    }
487    u_fclose(myFile);
488
489    log_verbose("Now trying a multi-byte encoding (UTF-8).\n");
490
491    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
492
493    u_fputc(0x3BC, myFile);
494    u_fputc(0xFF41, myFile);
495    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
496    u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
497    u_uastrncpy(buffer, testStr, expectedSize+1);
498    for (repetitions = 0; repetitions < 16; repetitions++) {
499        u_file_write(buffer, expectedSize, myFile);
500        u_strcat(expectedBuffer, buffer);
501    }
502    u_fclose(myFile);
503
504    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
505    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
506    if (strcmp(u_fgetcodepage(myFile), "UTF-8") != 0) {
507        log_err("Got %s instead of UTF-8\n", u_fgetcodepage(myFile));
508    }
509    if (u_fgetc(myFile) != 0x3BC) {
510        log_err("The first character is wrong\n");
511    }
512    if (u_fgetc(myFile) != 0xFF41) {
513        log_err("The second character is wrong\n");
514    }
515    if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != buffer) {
516        log_err("Didn't get the buffer back\n");
517        return;
518    }
519    readSize = u_strlen(buffer);
520    if (readSize != expectedSize*repetitions) {
521        log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), expectedSize*repetitions);
522    }
523    if (buffer[(expectedSize*repetitions) + 1] != 0xBEEF) {
524        log_err("u_fgets wrote too much data\n");
525    }
526    if (u_strcmp(buffer, expectedBuffer) != 0) {
527        log_err("Did get expected string back\n");
528    }
529    u_fclose(myFile);
530
531
532    log_verbose("Now trying a multi-byte encoding (UTF-8) with a really small buffer.\n");
533
534    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
535
536    u_fputc(0xFF41, myFile);
537    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
538    u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
539    u_uastrncpy(buffer, testStr, expectedSize+1);
540    for (repetitions = 0; repetitions < 1; repetitions++) {
541        u_file_write(buffer, expectedSize, myFile);
542        u_strcat(expectedBuffer, buffer);
543    }
544    u_fclose(myFile);
545
546    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
547    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
548    if (u_fgets(buffer, 2, myFile) != buffer) {
549        log_err("Didn't get the buffer back\n");
550        return;
551    }
552    readSize = u_strlen(buffer);
553    if (readSize != 1) {
554        log_err("Buffer is the wrong size. Got %d Expected %d\n", u_strlen(buffer), 1);
555    }
556    if (buffer[0] != 0xFF41 || buffer[1] != 0) {
557        log_err("Did get expected string back\n");
558    }
559    if (buffer[2] != 0xBEEF) {
560        log_err("u_fgets wrote too much data\n");
561    }
562    u_fclose(myFile);
563
564}
565
566static void TestFileReadBuffering(void) {
567    UChar buffer[1024];
568    UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-16");
569    int32_t how_many;
570    int32_t repetitions;
571
572    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
573    for (repetitions = 0; repetitions < 2; repetitions++) {
574        u_file_write(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
575    }
576
577    u_fclose(myFile);
578    u_memset(buffer, 0xDEAD, sizeof(buffer)/sizeof(buffer[0]));
579    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-16");
580    how_many = u_file_read(buffer, 1024, myFile);
581    if (how_many != 1024 || buffer[1023] != 0xBEEF) {
582        log_err("u_file_read read too much or not enough data\n");
583    }
584    u_fclose(myFile);
585}
586
587static void TestfgetsLineCount(void) {
588    UChar buffer[2048];
589    UChar expectedBuffer[2048];
590    char charBuffer[2048];
591    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!";
592    UFILE *myFile = NULL;
593    FILE *stdFile = fopen(STANDARD_TEST_FILE, "w");
594    int32_t expectedSize = (int32_t)strlen(testStr);
595    int32_t repetitions;
596    int32_t nlRepetitions;
597
598    if (stdFile == NULL) {
599        log_err("Can't write test file.\n");
600        return;
601    }
602    u_memset(expectedBuffer, 0, sizeof(expectedBuffer)/sizeof(expectedBuffer[0]));
603
604    for (repetitions = 0; repetitions < 16; repetitions++) {
605        fwrite(testStr, sizeof(testStr[0]), expectedSize, stdFile);
606        for (nlRepetitions = 0; nlRepetitions < repetitions; nlRepetitions++) {
607            fwrite("\n", sizeof(testStr[0]), 1, stdFile);
608        }
609    }
610    fclose(stdFile);
611
612    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, NULL);
613    stdFile = fopen(STANDARD_TEST_FILE, "r");
614
615    for (;;) {
616        char *returnedCharBuffer;
617        UChar *returnedUCharBuffer;
618
619        u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
620        returnedCharBuffer = fgets(charBuffer, sizeof(charBuffer)/sizeof(charBuffer[0]), stdFile);
621        returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
622
623        if (!returnedCharBuffer && !returnedUCharBuffer) {
624            /* Both returned NULL. stop. */
625            break;
626        }
627        if (returnedCharBuffer != charBuffer) {
628            log_err("Didn't get the charBuffer back\n");
629            continue;
630        }
631        u_uastrncpy(expectedBuffer, charBuffer, (int32_t)strlen(charBuffer)+1);
632        if (returnedUCharBuffer != buffer) {
633            log_err("Didn't get the buffer back\n");
634            continue;
635        }
636        if (u_strcmp(buffer, expectedBuffer) != 0) {
637            log_err("buffers are different\n");
638        }
639        if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
640            log_err("u_fgets wrote too much\n");
641        }
642    }
643    fclose(stdFile);
644    u_fclose(myFile);
645}
646
647static void TestfgetsNewLineHandling(void) {
648    UChar buffer[256];
649    static const UChar testUStr[][16] = {
650        {0x000D, 0},
651        {0x000D, 0x000A, 0},
652        {0x000D, 0},
653        {0x000D, 0},
654        {0x0085, 0},
655        {0x000A, 0},
656        {0x000D, 0},
657        {0x000B, 0},
658        {0x000C, 0},
659        {0x000C, 0},
660        {0x2028, 0},
661        {0x0085, 0},
662        {0x2029, 0},
663        {0x0085, 0},
664
665        {0x008B, 0x000D, 0},
666        {0x00A0, 0x000D, 0x000A, 0},
667        {0x3000, 0x000D, 0},
668        {0xd800, 0xdfff, 0x000D, 0},
669        {0x00AB, 0x0085, 0},
670        {0x00AC, 0x000A, 0},
671        {0x00AD, 0x000D, 0},
672        {0x00BA, 0x000B, 0},
673        {0x00AB, 0x000C, 0},
674        {0x00B1, 0x000C, 0},
675        {0x30BB, 0x2028, 0},
676        {0x00A5, 0x0085, 0},
677        {0x0080, 0x2029, 0},
678        {0x00AF, 0x0085, 0}
679
680    };
681    UFILE *myFile = NULL;
682    int32_t lineIdx;
683
684    myFile = u_fopen(STANDARD_TEST_FILE, "wb", NULL, "UTF-8");
685    if (myFile == NULL) {
686        log_err("Can't write test file.\n");
687        return;
688    }
689    for (lineIdx = 0; lineIdx < (int32_t)(sizeof(testUStr)/sizeof(testUStr[0])); lineIdx++) {
690        u_file_write(testUStr[lineIdx], u_strlen(testUStr[lineIdx]), myFile);
691    }
692    u_fclose(myFile);
693
694    myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, "UTF-8");
695
696    for (lineIdx = 0; lineIdx < (int32_t)(sizeof(testUStr)/sizeof(testUStr[0])); lineIdx++) {
697        UChar *returnedUCharBuffer;
698
699        u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
700        returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
701
702        if (!returnedUCharBuffer) {
703            /* Returned NULL. stop. */
704            break;
705        }
706        if (u_strcmp(buffer, testUStr[lineIdx]) != 0) {
707            log_err("buffers are different at index = %d\n", lineIdx);
708        }
709        if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
710            log_err("u_fgets wrote too much\n");
711        }
712    }
713    if (lineIdx != (int32_t)(sizeof(testUStr)/sizeof(testUStr[0]))) {
714        log_err("u_fgets read too much\n");
715    }
716    if (u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile) != NULL) {
717        log_err("u_file_write wrote too much\n");
718    }
719    u_fclose(myFile);
720}
721
722static void TestLineCount(const char *prefixLine, const char *line, int32_t numRepititions) {
723    UChar buffer[64];
724    UChar expectedBuffer[64];
725    int32_t lineLen = strlen(line);
726    UChar *returnedUCharBuffer;
727    int32_t repetitions;
728    UFILE *myFile = NULL;
729    FILE *stdFile = fopen(STANDARD_TEST_FILE, "wb");
730
731    if (stdFile == NULL) {
732        log_err("Can't write test file.\n");
733        return;
734    }
735    /* Write a prefix line and then write a bunch of lines */
736    fwrite(prefixLine, strlen(prefixLine), 1, stdFile);
737    for (repetitions = 0; repetitions < numRepititions; repetitions++) {
738        fwrite(line, lineLen, 1, stdFile);
739    }
740    fclose(stdFile);
741
742    myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, NULL);
743    if (myFile == NULL) {
744        log_err("Can't read test file.\n");
745        return;
746    }
747
748    /* Read the prefix line. This can make sure that a Windows newline is either on a boundary or before it. */
749    u_uastrncpy(expectedBuffer, prefixLine, (int32_t)strlen(prefixLine)+1);
750    returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
751    if (u_strcmp(returnedUCharBuffer, expectedBuffer) != 0) {
752        log_err("prefix buffer is different. prefix=\"%s\"\n", prefixLine);
753        return;
754    }
755
756    u_uastrncpy(expectedBuffer, line, (int32_t)strlen(line)+1);
757    for (repetitions = 0; ; repetitions++) {
758        u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
759        returnedUCharBuffer = u_fgets(buffer, sizeof(buffer)/sizeof(buffer[0]), myFile);
760
761        if (!returnedUCharBuffer) {
762            /* returned NULL. stop. */
763            break;
764        }
765        if (u_strcmp(buffer, expectedBuffer) != 0) {
766            log_err("buffers are different at count %d\n", repetitions);
767        }
768        if (buffer[u_strlen(buffer)+1] != 0xBEEF) {
769            log_err("u_fgets wrote too much\n");
770        }
771    }
772    if (repetitions != numRepititions) {
773        log_err("got wrong number of lines. got=%d expected=%d\n", repetitions, numRepititions);
774    }
775    u_fclose(myFile);
776}
777
778static void TestfgetsNewLineCount(void) {
779    /* This makes sure that lines are correctly handled between buffer boundaries. */
780    TestLineCount("\n", "\n", 1024);    /* Unix newlines */
781    TestLineCount("\r\n", "\r\n", 1024);/* Windows newlines */
782    TestLineCount("a\r\n", "\r\n", 1024);/* Windows newlines offset by 1 byte */
783    TestLineCount("\r\n", "a\r\n", 1024);/* Windows newlines offset with data */
784    TestLineCount("\n", "a\n", 1024);    /* Unix newlines offset with data */
785    TestLineCount("\n", "\r\n", 1024);  /* a mixed number of lines. */
786}
787
788static void TestFgetsLineBuffering(void) {
789    UChar buffer[2003]; /* Use a non-power of 2 or 10 */
790    UChar *returnedUCharBuffer;
791    int32_t repetitions;
792    UFILE *myFile = NULL;
793    FILE *stdFile = fopen(STANDARD_TEST_FILE, "wb");
794
795    if (stdFile == NULL) {
796        log_err("Can't write test file.\n");
797        return;
798    }
799    u_memset(buffer, 0xBEEF, sizeof(buffer)/sizeof(buffer[0]));
800
801    /* Write one very long line */
802    for (repetitions = 0; repetitions < ((sizeof(buffer)/sizeof(buffer[0]))*2); repetitions++) {
803        fwrite(repetitions ? "1" : "2", 1, 1, stdFile);
804    }
805    fclose(stdFile);
806
807    myFile = u_fopen(STANDARD_TEST_FILE, "rb", NULL, NULL);
808    if (myFile == NULL) {
809        log_err("Can't read test file.\n");
810        return;
811    }
812
813    /* Read part of one very long line */
814    returnedUCharBuffer = u_fgets(buffer, (sizeof(buffer)/sizeof(buffer[0]))-1, myFile);
815    if (u_strlen(returnedUCharBuffer) != ((sizeof(buffer)/sizeof(buffer[0]))-2)) {
816        log_err("Line is wrong length. Got %d. Expected %d.\n",
817            u_strlen(returnedUCharBuffer), ((sizeof(buffer)/sizeof(buffer[0]))-2));
818    }
819    /* We better not read too much */
820    if (buffer[(sizeof(buffer)/sizeof(buffer[0]))-1] != 0xBEEF) {
821        log_err("Too much data was written\n");
822    }
823
824    u_fclose(myFile);
825}
826
827
828static void TestCodepage(void) {
829    UFILE *myFile = NULL;
830    static const UChar strABAccentA[] = { 0x0041, 0x0042, 0x00C1, 0x0043, 0};
831    static const UChar strBadConversion[] = { 0x0041, 0x0042, 0xfffd, 0x0043, 0};
832    UChar testBuf[sizeof(strABAccentA)/sizeof(strABAccentA[0])*2]; /* *2 to see if too much was  */
833    char convName[UCNV_MAX_CONVERTER_NAME_LENGTH];
834    int32_t retVal;
835    UErrorCode status = U_ZERO_ERROR;
836
837    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "absurd converter that can't be opened");
838
839    if (myFile) {
840        log_err("Recieved a UFILE * with an invalid codepage parameter\n");
841        u_fclose(myFile);
842    }
843
844    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "ISO-8859-1");
845    if (myFile == NULL) {
846        log_err("Can't write test file for iso-8859-1.\n");
847        return;
848    }
849    if (strcmp("ISO-8859-1", u_fgetcodepage(myFile)) != 0) {
850        log_err("Couldn't get ISO-8859-1 back as opened codepage\n");
851    }
852    u_file_write(strABAccentA, u_strlen(strABAccentA), myFile);
853    u_fclose(myFile);
854
855    /* Now see what we got wrote */
856    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, NULL);
857    if (u_fsetcodepage("ISO-8859-1", myFile) != 0) {
858        log_err("u_fsetcodepage didn't set the codepage\n");
859    }
860    retVal = u_file_read(testBuf, u_strlen(strABAccentA), myFile);
861    if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
862        log_err("The test data was read and written differently!\n");
863    }
864    if (retVal != u_strlen(strABAccentA)) {
865        log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
866    }
867    u_fclose(myFile);
868
869    /* What happens on invalid input? */
870    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "ISO-8859-1");
871    if (strcmp(ucnv_getName(u_fgetConverter(myFile), &status), "ISO-8859-1") != 0) {
872        log_err("u_fgetConverter returned %s\n", ucnv_getName(u_fgetConverter(myFile), &status));
873    }
874    if (u_fsetcodepage("UTF-8", myFile) != 0) {
875        log_err("u_fsetcodepage didn't set the codepage to UTF-8\n");
876    }
877    if (strcmp(ucnv_getName(u_fgetConverter(myFile), &status), "UTF-8") != 0) {
878        log_err("u_fgetConverter returned %s\n", ucnv_getName(u_fgetConverter(myFile), &status));
879    }
880    retVal = u_file_read(testBuf, u_strlen(strBadConversion), myFile);
881    if (u_strncmp(strBadConversion, testBuf, u_strlen(strBadConversion)) != 0) {
882        log_err("The test data wasn't subsituted as expected\n");
883    }
884    u_fclose(myFile);
885
886    /* Can't currently swap codepages midstream */
887    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "ISO-8859-1");
888    strcpy(convName, u_fgetcodepage(myFile));
889    u_file_read(testBuf, 1, myFile);
890    if (u_fsetcodepage("UTF-8", myFile) == 0) {
891        log_err("u_fsetcodepage set the codepage after reading a byte\n");
892    }
893    retVal = u_file_read(testBuf + 1, u_strlen(strABAccentA) - 1, myFile);
894    if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
895        log_err("u_fsetcodepage changed the codepages after writing data\n");
896    }
897    if ((retVal + 1) != u_strlen(strABAccentA)) {
898        log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
899    }
900    u_frewind(myFile);
901    retVal = u_file_read(testBuf, u_strlen(strABAccentA), myFile);
902    if (u_strncmp(strABAccentA, testBuf, u_strlen(strABAccentA)) != 0) {
903        log_err("The test data was read and written differently!\n");
904    }
905    if (retVal != u_strlen(strABAccentA)) {
906        log_err("The test data returned different lengths. Got: %d, Expected %d\n", retVal, u_strlen(strABAccentA));
907    }
908    u_fclose(myFile);
909
910}
911
912static void TestCodepageFlush(void) {
913#if UCONFIG_NO_LEGACY_CONVERSION || UCONFIG_NO_FORMATTING
914  log_verbose("Skipping, legacy conversion or formatting is disabled.");
915#else
916  UChar utf16String[] = { 0x39, 0x39, 0x39, 0x20, 0x65E0, 0x6CD6, 0x5728, 0x0000 };
917  uint8_t inBuf[200];
918  size_t inLen =0;
919  const char *enc = "IBM-1388"; /* GBK EBCDIC stateful */
920  UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "wb", "en_US_POSIX", enc);
921  FILE *myCFile;
922  int shift = 0;
923  int32_t i;
924
925  if (myFile == NULL) {
926    log_err("Can't write test file %s\n", STANDARD_TEST_FILE);
927    return;
928  }
929
930  u_fprintf(myFile, "%S", utf16String);
931  u_fclose(myFile);
932
933  /* now read it back */
934    myCFile = fopen(STANDARD_TEST_FILE, "rb");
935    if (myCFile == NULL) {
936        log_err("Can't read test file.");
937        return;
938    }
939
940    inLen = fread(inBuf, 1, 200, myCFile);
941    fclose(myCFile);
942
943    if(inLen<=0) {
944      log_err("Failed during read of test file.");
945      return;
946    }
947
948    /* check if shift in and out */
949    for(i=0;i<(int32_t)inLen;i++) {
950      if(inBuf[i]==0x0E) {  /* SO */
951        shift= 1;
952      } else if(inBuf[i]==0x0F) { /* SI */
953        shift= -1;
954      }
955    }
956
957    if(shift==0) {
958      log_err("Err: shift was unchanged\n");
959    } else if(shift==1) {
960      log_err("Err: at end of string, we were still shifted out (SO, 0x0E).\n");
961    } else if(shift==-1) {
962      log_verbose("OK: Shifted in (SI, 0x0F)\n");
963    }
964
965    if(inLen != 12) {
966      log_err("Expected 12 bytes, read %d\n", inLen);
967    } else {
968      log_verbose("OK: read %d bytes\n", inLen);
969    }
970
971
972#endif
973}
974
975#if !UCONFIG_NO_FORMATTING
976static void TestFilePrintCompatibility(void) {
977    UFILE *myFile = u_fopen(STANDARD_TEST_FILE, "wb", "en_US_POSIX", NULL);
978    FILE *myCFile;
979    int32_t num;
980    char cVal;
981    static const UChar emptyStr[] = {0};
982    char readBuf[512] = "";
983    char testBuf[512] = "";
984
985    if (myFile == NULL) {
986        log_err("Can't write test file.\n");
987        return;
988    }
989#if !UCONFIG_NO_FORMATTING
990    if (strcmp(u_fgetlocale(myFile), "en_US_POSIX") != 0) {
991        log_err("Got %s instead of en_US_POSIX for locale\n", u_fgetlocale(myFile));
992    }
993#endif
994
995    /* Compare against C API compatibility */
996    for (num = -STANDARD_TEST_NUM_RANGE; num < STANDARD_TEST_NUM_RANGE; num++) {
997        u_fprintf(myFile, "%x ", num);
998        u_fprintf(myFile, "%X ", num);
999        u_fprintf(myFile, "%o ", num);
1000        u_fprintf(myFile, "%d ", num);
1001        u_fprintf(myFile, "%i ", num);
1002        u_fprintf(myFile, "%f ", (double)num);
1003/*        u_fprintf(myFile, "%e ", (double)num);
1004        u_fprintf(myFile, "%E ", (double)num);*/
1005        u_fprintf(myFile, "%g ", (double)num);
1006        u_fprintf(myFile, "%G", (double)num);
1007        u_fputs(emptyStr, myFile);
1008    }
1009
1010    u_fprintf_u(myFile, NEW_LINE);
1011
1012    for (num = 0; num < 0x80; num++) {
1013        u_fprintf(myFile, "%c", num);
1014    }
1015
1016    u_fclose(myFile);
1017    myCFile = fopen(STANDARD_TEST_FILE, "rb");
1018    if (myCFile == NULL) {
1019        log_err("Can't read test file.");
1020        return;
1021    }
1022
1023    for (num = -STANDARD_TEST_NUM_RANGE; num < STANDARD_TEST_NUM_RANGE; num++) {
1024        fscanf(myCFile, "%s", readBuf);
1025        sprintf(testBuf, "%x", (int)num);
1026        if (strcmp(readBuf, testBuf) != 0) {
1027            log_err("%%x Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1028        }
1029
1030        fscanf(myCFile, "%s", readBuf);
1031        sprintf(testBuf, "%X", (int)num);
1032        if (strcmp(readBuf, testBuf) != 0) {
1033            log_err("%%X Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1034        }
1035
1036        fscanf(myCFile, "%s", readBuf);
1037        sprintf(testBuf, "%o", (int)num);
1038        if (strcmp(readBuf, testBuf) != 0) {
1039            log_err("%%o Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1040        }
1041
1042        /* fprintf is not compatible on all platforms e.g. the iSeries */
1043        fscanf(myCFile, "%s", readBuf);
1044        sprintf(testBuf, "%d", (int)num);
1045        if (strcmp(readBuf, testBuf) != 0) {
1046            log_err("%%d Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1047        }
1048
1049        fscanf(myCFile, "%s", readBuf);
1050        sprintf(testBuf, "%i", (int)num);
1051        if (strcmp(readBuf, testBuf) != 0) {
1052            log_err("%%i Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1053        }
1054
1055        fscanf(myCFile, "%s", readBuf);
1056        sprintf(testBuf, "%f", (double)num);
1057        if (strcmp(readBuf, testBuf) != 0) {
1058            log_err("%%f Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1059        }
1060
1061/*        fscanf(myCFile, "%s", readBuf);
1062        sprintf(testBuf, "%e", (double)num);
1063        if (strcmp(readBuf, testBuf) != 0) {
1064            log_err("%%e Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1065        }
1066
1067        fscanf(myCFile, "%s", readBuf);
1068        sprintf(testBuf, "%E", (double)num);
1069        if (strcmp(readBuf, testBuf) != 0) {
1070            log_err("%%E Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1071        }*/
1072
1073        fscanf(myCFile, "%s", readBuf);
1074        sprintf(testBuf, "%g", (double)num);
1075        if (strcmp(readBuf, testBuf) != 0) {
1076            log_err("%%g Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1077        }
1078
1079        fscanf(myCFile, "%s", readBuf);
1080        sprintf(testBuf, "%G", (double)num);
1081        if (strcmp(readBuf, testBuf) != 0) {
1082            log_err("%%G Got: \"%s\", Expected: \"%s\"\n", readBuf, testBuf);
1083        }
1084    }
1085
1086    /* Properly eat the newlines */
1087    for (num = 0; num < (int32_t)strlen(C_NEW_LINE); num++) {
1088        fscanf(myCFile, "%c", &cVal);
1089        if (cVal != C_NEW_LINE[num]) {
1090            log_err("OS newline error\n");
1091        }
1092    }
1093    for (num = 0; num < (int32_t)strlen(C_NEW_LINE); num++) {
1094        fscanf(myCFile, "%c", &cVal);
1095        if (cVal != C_NEW_LINE[num]) {
1096            log_err("ustdio newline error\n");
1097        }
1098    }
1099
1100    for (num = 0; num < 0x80; num++) {
1101        cVal = -1;
1102        fscanf(myCFile, "%c", &cVal);
1103        if (num != cVal) {
1104            log_err("%%c Got: 0x%x, Expected: 0x%x\n", cVal, num);
1105        }
1106    }
1107    fclose(myCFile);
1108}
1109#endif
1110
1111#define TestFPrintFormat(uFormat, uValue, cFormat, cValue) \
1112    myFile = u_fopen(STANDARD_TEST_FILE, "w", "en_US_POSIX", NULL);\
1113    if (myFile == NULL) {\
1114        log_err("Can't write test file for %s.\n", uFormat);\
1115        return;\
1116    }\
1117    /* Reinitialize the buffer to verify null termination works. */\
1118    u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));\
1119    memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));\
1120    \
1121    uNumPrinted = u_fprintf(myFile, uFormat, uValue);\
1122    u_fclose(myFile);\
1123    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);\
1124    u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);\
1125    u_fclose(myFile);\
1126    u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));\
1127    cNumPrinted = sprintf(buffer, cFormat, cValue);\
1128    if (strcmp(buffer, compBuffer) != 0) {\
1129        log_err("%" uFormat " Got: \"%s\", Expected: \"%s\"\n", compBuffer, buffer);\
1130    }\
1131    if (cNumPrinted != uNumPrinted) {\
1132        log_err("%" uFormat " number printed Got: %d, Expected: %d\n", uNumPrinted, cNumPrinted);\
1133    }\
1134    if (buffer[uNumPrinted+1] != '*') {\
1135        log_err("%" uFormat " too much stored\n");\
1136    }\
1137
1138#if !UCONFIG_NO_FORMATTING
1139static void TestFprintfFormat(void) {
1140    static const UChar abcUChars[] = {0x61,0x62,0x63,0};
1141    static const char abcChars[] = "abc";
1142    UChar uBuffer[256];
1143    char buffer[256];
1144    char compBuffer[256];
1145    int32_t uNumPrinted;
1146    int32_t cNumPrinted;
1147    UFILE *myFile;
1148
1149    TestFPrintFormat("%8S", abcUChars, "%8s", abcChars);
1150    TestFPrintFormat("%-8S", abcUChars, "%-8s", abcChars);
1151    TestFPrintFormat("%.2S", abcUChars, "%.2s", abcChars); /* strlen is 3 */
1152
1153    TestFPrintFormat("%8s", abcChars, "%8s", abcChars);
1154    TestFPrintFormat("%-8s", abcChars, "%-8s", abcChars);
1155    TestFPrintFormat("%.2s", abcChars, "%.2s", abcChars); /* strlen is 3 */
1156
1157    TestFPrintFormat("%8c", (char)'e', "%8c", (char)'e');
1158    TestFPrintFormat("%-8c", (char)'e', "%-8c", (char)'e');
1159
1160    TestFPrintFormat("%8C", (UChar)0x65, "%8c", (char)'e');
1161    TestFPrintFormat("%-8C", (UChar)0x65, "%-8c", (char)'e');
1162
1163    TestFPrintFormat("%f", 1.23456789, "%f", 1.23456789);
1164    TestFPrintFormat("%f", 12345.6789, "%f", 12345.6789);
1165    TestFPrintFormat("%f", 123456.789, "%f", 123456.789);
1166    TestFPrintFormat("%f", 1234567.89, "%f", 1234567.89);
1167    TestFPrintFormat("%10f", 1.23456789, "%10f", 1.23456789);
1168    TestFPrintFormat("%-10f", 1.23456789, "%-10f", 1.23456789);
1169    TestFPrintFormat("%10f", 123.456789, "%10f", 123.456789);
1170    TestFPrintFormat("%10.4f", 123.456789, "%10.4f", 123.456789);
1171    TestFPrintFormat("%-10f", 123.456789, "%-10f", 123.456789);
1172
1173/*    TestFPrintFormat("%g", 12345.6789, "%g", 12345.6789);
1174    TestFPrintFormat("%g", 123456.789, "%g", 123456.789);
1175    TestFPrintFormat("%g", 1234567.89, "%g", 1234567.89);
1176    TestFPrintFormat("%G", 123456.789, "%G", 123456.789);
1177    TestFPrintFormat("%G", 1234567.89, "%G", 1234567.89);*/
1178    TestFPrintFormat("%10g", 1.23456789, "%10g", 1.23456789);
1179    TestFPrintFormat("%10.4g", 1.23456789, "%10.4g", 1.23456789);
1180    TestFPrintFormat("%-10g", 1.23456789, "%-10g", 1.23456789);
1181    TestFPrintFormat("%10g", 123.456789, "%10g", 123.456789);
1182    TestFPrintFormat("%-10g", 123.456789, "%-10g", 123.456789);
1183
1184    TestFPrintFormat("%8x", 123456, "%8x", 123456);
1185    TestFPrintFormat("%-8x", 123456, "%-8x", 123456);
1186    TestFPrintFormat("%08x", 123456, "%08x", 123456);
1187
1188    TestFPrintFormat("%8X", 123456, "%8X", 123456);
1189    TestFPrintFormat("%-8X", 123456, "%-8X", 123456);
1190    TestFPrintFormat("%08X", 123456, "%08X", 123456);
1191    TestFPrintFormat("%#x", 123456, "%#x", 123456);
1192    TestFPrintFormat("%#x", -123456, "%#x", -123456);
1193
1194    TestFPrintFormat("%8o", 123456, "%8o", 123456);
1195    TestFPrintFormat("%-8o", 123456, "%-8o", 123456);
1196    TestFPrintFormat("%08o", 123456, "%08o", 123456);
1197    TestFPrintFormat("%#o", 123, "%#o", 123);
1198    TestFPrintFormat("%#o", -123, "%#o", -123);
1199
1200    TestFPrintFormat("%8u", 123456, "%8u", 123456);
1201    TestFPrintFormat("%-8u", 123456, "%-8u", 123456);
1202    TestFPrintFormat("%08u", 123456, "%08u", 123456);
1203    TestFPrintFormat("%8u", -123456, "%8u", -123456);
1204    TestFPrintFormat("%-8u", -123456, "%-8u", -123456);
1205    TestFPrintFormat("%.5u", 123456, "%.5u", 123456);
1206    TestFPrintFormat("%.6u", 123456, "%.6u", 123456);
1207    TestFPrintFormat("%.7u", 123456, "%.7u", 123456);
1208
1209    TestFPrintFormat("%8d", 123456, "%8d", 123456);
1210    TestFPrintFormat("%-8d", 123456, "%-8d", 123456);
1211    TestFPrintFormat("%08d", 123456, "%08d", 123456);
1212    TestFPrintFormat("% d", 123456, "% d", 123456);
1213    TestFPrintFormat("% d", -123456, "% d", -123456);
1214
1215    TestFPrintFormat("%8i", 123456, "%8i", 123456);
1216    TestFPrintFormat("%-8i", 123456, "%-8i", 123456);
1217    TestFPrintFormat("%08i", 123456, "%08i", 123456);
1218
1219    log_verbose("Get really crazy with the formatting.\n");
1220
1221    TestFPrintFormat("%-#12x", 123, "%-#12x", 123);
1222    TestFPrintFormat("%-#12x", -123, "%-#12x", -123);
1223    TestFPrintFormat("%#12x", 123, "%#12x", 123);
1224    TestFPrintFormat("%#12x", -123, "%#12x", -123);
1225
1226    TestFPrintFormat("%-+12d", 123,  "%-+12d", 123);
1227    TestFPrintFormat("%-+12d", -123, "%-+12d", -123);
1228    TestFPrintFormat("%- 12d", 123,  "%- 12d", 123);
1229    TestFPrintFormat("%- 12d", -123, "%- 12d", -123);
1230    TestFPrintFormat("%+12d", 123,   "%+12d", 123);
1231    TestFPrintFormat("%+12d", -123,  "%+12d", -123);
1232    TestFPrintFormat("% 12d", 123,   "% 12d", 123);
1233    TestFPrintFormat("% 12d", -123,  "% 12d", -123);
1234    TestFPrintFormat("%12d", 123,    "%12d", 123);
1235    TestFPrintFormat("%12d", -123,   "%12d", -123);
1236    TestFPrintFormat("%.12d", 123,   "%.12d", 123);
1237    TestFPrintFormat("%.12d", -123,  "%.12d", -123);
1238
1239    TestFPrintFormat("%-+12.1f", 1.234,  "%-+12.1f", 1.234);
1240    TestFPrintFormat("%-+12.1f", -1.234, "%-+12.1f", -1.234);
1241    TestFPrintFormat("%- 12.10f", 1.234, "%- 12.10f", 1.234);
1242    TestFPrintFormat("%- 12.1f", -1.234, "%- 12.1f", -1.234);
1243    TestFPrintFormat("%+12.1f", 1.234,   "%+12.1f", 1.234);
1244    TestFPrintFormat("%+12.1f", -1.234,  "%+12.1f", -1.234);
1245    TestFPrintFormat("% 12.1f", 1.234,   "% 12.1f", 1.234);
1246    TestFPrintFormat("% 12.1f", -1.234,  "% 12.1f", -1.234);
1247    TestFPrintFormat("%12.1f", 1.234,    "%12.1f", 1.234);
1248    TestFPrintFormat("%12.1f", -1.234,   "%12.1f", -1.234);
1249    TestFPrintFormat("%.2f", 1.234,      "%.2f", 1.234);
1250    TestFPrintFormat("%.2f", -1.234,     "%.2f", -1.234);
1251    TestFPrintFormat("%3f", 1.234,       "%3f", 1.234);
1252    TestFPrintFormat("%3f", -1.234,      "%3f", -1.234);
1253
1254    myFile = u_fopen(STANDARD_TEST_FILE, "w", "en_US_POSIX", NULL);
1255    /* Reinitialize the buffer to verify null termination works. */
1256    u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
1257    memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));
1258
1259    uNumPrinted = u_fprintf(myFile, "%d % d %d", -1234, 1234, 1234);
1260    u_fclose(myFile);
1261    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);
1262    u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
1263    u_fclose(myFile);
1264    u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));
1265    cNumPrinted = sprintf(buffer, "%d % d %d", -1234, 1234, 1234);
1266    if (strcmp(buffer, compBuffer) != 0) {
1267        log_err("%%d %% d %%d Got: \"%s\", Expected: \"%s\"\n", compBuffer, buffer);
1268    }
1269    if (cNumPrinted != uNumPrinted) {
1270        log_err("%%d %% d %%d number printed Got: %d, Expected: %d\n", uNumPrinted, cNumPrinted);
1271    }
1272    if (buffer[uNumPrinted+1] != '*') {
1273        log_err("%%d %% d %%d too much stored\n");
1274    }
1275}
1276#endif
1277
1278#undef TestFPrintFormat
1279
1280#if !UCONFIG_NO_FORMATTING
1281static void TestFScanSetFormat(const char *format, const UChar *uValue, const char *cValue, UBool expectedToPass) {
1282    UFILE *myFile;
1283    UChar uBuffer[256];
1284    char buffer[256];
1285    char compBuffer[256];
1286    int32_t uNumScanned;
1287    int32_t cNumScanned;
1288
1289    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
1290    if (myFile == NULL) {
1291        log_err("Can't write test file for %s.\n", format);
1292        return;
1293    }
1294    /* Reinitialize the buffer to verify null termination works. */
1295    u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
1296    uBuffer[sizeof(uBuffer)/sizeof(*uBuffer)-1] = 0;
1297    memset(buffer, '*', sizeof(buffer)/sizeof(*buffer));
1298    buffer[sizeof(buffer)/sizeof(*buffer)-1] = 0;
1299
1300    u_fprintf(myFile, "%S", uValue);
1301    u_fclose(myFile);
1302    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);
1303    uNumScanned = u_fscanf(myFile, format, uBuffer);
1304    u_fclose(myFile);
1305    if (expectedToPass) {
1306        u_austrncpy(compBuffer, uBuffer, sizeof(uBuffer)/sizeof(*uBuffer));
1307        cNumScanned = sscanf(cValue, format, buffer);
1308        if (strncmp(buffer, compBuffer, sizeof(buffer)/sizeof(*buffer)) != 0) {
1309            log_err("%s Got: \"%s\", Expected: \"%s\"\n", format, compBuffer, buffer);
1310        }
1311        if (cNumScanned != uNumScanned) {
1312            log_err("%s number printed Got: %d, Expected: %d\n", format, uNumScanned, cNumScanned);
1313        }
1314        if (uNumScanned > 0 && uBuffer[u_strlen(uBuffer)+1] != 0x2a) {
1315            log_err("%s too much stored\n", format);
1316        }
1317    }
1318    else {
1319        if (uNumScanned != 0 || uBuffer[0] != 0x2a || uBuffer[1] != 0x2a) {
1320            log_err("%s too much stored on a failure\n", format);
1321        }
1322    }
1323}
1324#endif
1325
1326#if !UCONFIG_NO_FORMATTING
1327static void TestFScanset(void) {
1328    static const UChar abcUChars[] = {0x61,0x62,0x63,0x63,0x64,0x65,0x66,0x67,0};
1329    static const char abcChars[] = "abccdefg";
1330
1331    TestFScanSetFormat("%[bc]S", abcUChars, abcChars, TRUE);
1332    TestFScanSetFormat("%[cb]S", abcUChars, abcChars, TRUE);
1333
1334    TestFScanSetFormat("%[ab]S", abcUChars, abcChars, TRUE);
1335    TestFScanSetFormat("%[ba]S", abcUChars, abcChars, TRUE);
1336
1337    TestFScanSetFormat("%[ab]", abcUChars, abcChars, TRUE);
1338    TestFScanSetFormat("%[ba]", abcUChars, abcChars, TRUE);
1339
1340    TestFScanSetFormat("%[abcdefgh]", abcUChars, abcChars, TRUE);
1341    TestFScanSetFormat("%[;hgfedcba]", abcUChars, abcChars, TRUE);
1342
1343    TestFScanSetFormat("%[^a]", abcUChars, abcChars, TRUE);
1344    TestFScanSetFormat("%[^e]", abcUChars, abcChars, TRUE);
1345    TestFScanSetFormat("%[^ed]", abcUChars, abcChars, TRUE);
1346    TestFScanSetFormat("%[^dc]", abcUChars, abcChars, TRUE);
1347    TestFScanSetFormat("%[^e]  ", abcUChars, abcChars, TRUE);
1348
1349    TestFScanSetFormat("%1[ab]  ", abcUChars, abcChars, TRUE);
1350    TestFScanSetFormat("%2[^f]", abcUChars, abcChars, TRUE);
1351
1352    TestFScanSetFormat("%[qrst]", abcUChars, abcChars, TRUE);
1353
1354    /* Extra long string for testing */
1355    TestFScanSetFormat("                                                                                                                         %[qrst]",
1356        abcUChars, abcChars, TRUE);
1357
1358    TestFScanSetFormat("%[a-]", abcUChars, abcChars, TRUE);
1359
1360    /* Bad format */
1361    TestFScanSetFormat("%[f-a]", abcUChars, abcChars, FALSE);
1362    TestFScanSetFormat("%[c-a]", abcUChars, abcChars, FALSE);
1363    TestFScanSetFormat("%[a", abcUChars, abcChars, FALSE);
1364    /* The following is not deterministic on Windows */
1365/*    TestFScanSetFormat("%[a-", abcUChars, abcChars);*/
1366
1367    /* TODO: Need to specify precision with a "*" */
1368}
1369#endif
1370#if !UCONFIG_NO_FORMATTING
1371static void TestBadFScanfFormat(const char *format, const UChar *uValue, const char *cValue) {
1372    UFILE *myFile;
1373    UChar uBuffer[256];
1374    int32_t uNumScanned;
1375
1376    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, NULL);
1377    if (myFile == NULL) {
1378        log_err("Can't write test file for %s.\n", format);
1379        return;
1380    }
1381    /* Reinitialize the buffer to verify null termination works. */
1382    u_memset(uBuffer, 0x2a, sizeof(uBuffer)/sizeof(*uBuffer));
1383    uBuffer[sizeof(uBuffer)/sizeof(*uBuffer)-1] = 0;
1384
1385    u_fprintf(myFile, "%S", uValue);
1386    u_fclose(myFile);
1387    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);
1388    uNumScanned = u_fscanf(myFile, format, uBuffer);
1389    u_fclose(myFile);
1390    if (uNumScanned != 0 || uBuffer[0] != 0x2a || uBuffer[1] != 0x2a) {
1391        log_err("%s too much stored on a failure\n", format);
1392    }
1393}
1394#endif
1395#if !UCONFIG_NO_FORMATTING
1396static void TestBadScanfFormat(void) {
1397    static const UChar abcUChars[] = {0x61,0x62,0x63,0x63,0x64,0x65,0x66,0x67,0};
1398    static const char abcChars[] = "abccdefg";
1399
1400    TestBadFScanfFormat("%[]  ", abcUChars, abcChars);
1401}
1402#endif
1403#if !UCONFIG_NO_FORMATTING
1404static void Test_u_vfprintf(const char *expectedResult, const char *format, ...) {
1405    UChar uBuffer[256];
1406    UChar uBuffer2[256];
1407    va_list ap;
1408    int32_t count;
1409    UFILE *myFile;
1410
1411    myFile = u_fopen(STANDARD_TEST_FILE, "w", "en_US_POSIX", "UTF-8");
1412    if (!myFile) {
1413        log_err("Test file can't be opened\n");
1414        return;
1415    }
1416
1417    va_start(ap, format);
1418    count = u_vfprintf(myFile, format, ap);
1419    va_end(ap);
1420
1421    u_fclose(myFile);
1422
1423
1424    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", "UTF-8");
1425    if (!myFile) {
1426        log_err("Test file can't be opened\n");
1427        return;
1428    }
1429    u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
1430    u_uastrcpy(uBuffer2, expectedResult);
1431    if (u_strcmp(uBuffer, uBuffer2) != 0) {
1432        log_err("Got two different results for \"%s\" expected \"%s\"\n", format, expectedResult);
1433    }
1434    u_fclose(myFile);
1435
1436
1437    myFile = u_fopen(STANDARD_TEST_FILE, "w", "en_US_POSIX", NULL);
1438    if (!myFile) {
1439        log_err("Test file can't be opened\n");
1440        return;
1441    }
1442    u_uastrcpy(uBuffer, format);
1443
1444    va_start(ap, format);
1445    count = u_vfprintf_u(myFile, uBuffer, ap);
1446    va_end(ap);
1447
1448    u_fclose(myFile);
1449
1450
1451    myFile = u_fopen(STANDARD_TEST_FILE, "r", "en_US_POSIX", NULL);
1452    if (!myFile) {
1453        log_err("Test file can't be opened\n");
1454        return;
1455    }
1456    u_fgets(uBuffer, sizeof(uBuffer)/sizeof(*uBuffer), myFile);
1457    u_uastrcpy(uBuffer2, expectedResult);
1458    if (u_strcmp(uBuffer, uBuffer2) != 0) {
1459        log_err("Got two different results for \"%s\" expected \"%s\"\n", format, expectedResult);
1460    }
1461    u_fclose(myFile);
1462}
1463
1464static void TestVargs(void) {
1465    Test_u_vfprintf("8 9 a B 8.9", "%d %u %x %X %.1f", 8, 9, 10, 11, 8.9);
1466}
1467#endif
1468
1469static void TestUnicodeFormat(void)
1470{
1471#if !UCONFIG_NO_FORMATTING
1472    /* Make sure that invariant conversion doesn't happen on the _u formats. */
1473    UChar myUString[256];
1474    UFILE *myFile;
1475    static const UChar TEST_STR[] = { 0x03BC, 0x0025, 0x0024, 0};
1476    static const UChar PERCENT_S[] = { 0x03BC, 0x0025, 0x0053, 0};
1477
1478    u_memset(myUString, 0x2a, sizeof(myUString)/sizeof(*myUString));
1479
1480    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, "UTF-8");
1481    if (!myFile) {
1482        log_err("Test file can't be opened\n");
1483        return;
1484    }
1485    u_fprintf_u(myFile, PERCENT_S, TEST_STR);
1486    u_fclose(myFile);
1487
1488    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, "UTF-8");
1489    if (!myFile) {
1490        log_err("Test file can't be opened\n");
1491        return;
1492    }
1493    u_fscanf_u(myFile, PERCENT_S, myUString);
1494    u_fclose(myFile);
1495    if (u_strcmp(TEST_STR, myUString) != 0) {
1496        log_err("u_fscanf_u doesn't work.\n");
1497    }
1498#endif
1499}
1500
1501static void TestFileWriteRetval(const char * a_pszEncoding) {
1502    UChar * buffer;
1503    UFILE * myFile;
1504    int32_t count;
1505    int32_t expected = 10000; /* test with large data to test internal buffer looping */
1506    UChar   testChar = 0xBEEF;
1507
1508    if (!*a_pszEncoding || 0 == strcmp(a_pszEncoding, "ASCII")) {
1509        testChar = 0x65; /* 'A' - otherwise read test will fail */
1510    }
1511
1512    buffer = (UChar*) malloc(expected * sizeof(UChar));
1513    if (!buffer) {
1514        log_err("Out of memory\n");
1515        return;
1516    }
1517
1518    /* write */
1519    myFile = u_fopen(STANDARD_TEST_FILE, "w", NULL, a_pszEncoding);
1520    if (!myFile) {
1521        free(buffer);
1522        log_err("Test file can't be opened for write\n");
1523        return;
1524    }
1525    u_memset(buffer, testChar, expected);
1526    count = u_file_write(buffer, expected, myFile);
1527    u_fclose(myFile);
1528    if (count != expected) {
1529        free(buffer);
1530        log_err("u_file_write returned incorrect number of characters written\n");
1531        return;
1532    }
1533
1534    free(buffer);
1535    buffer = NULL;
1536
1537    /* read */
1538    myFile = u_fopen(STANDARD_TEST_FILE, "r", NULL, a_pszEncoding);
1539    if (!myFile) {
1540        log_err("Test file can't be opened for read\n");
1541        return;
1542    }
1543    for (count = 0; count < expected; ++count) {
1544        UChar gotChar = u_fgetc(myFile);
1545	if(gotChar != testChar) {
1546            log_err("u_fgetc returned unexpected character U+%04X expected U+%04X\n", gotChar, testChar);
1547            u_fclose(myFile);
1548            return;
1549        }
1550    }
1551    if (u_fgetc(myFile) != U_EOF) {
1552        log_err("u_fgetc did not return expected EOF\n");
1553        u_fclose(myFile);
1554        return;
1555        }
1556    u_fclose(myFile);
1557}
1558
1559static void TestFileWriteRetvalUTF16(void) {
1560    TestFileWriteRetval("UTF-16");
1561}
1562
1563static void TestFileWriteRetvalUTF8(void) {
1564    TestFileWriteRetval("UTF-8");
1565}
1566
1567static void TestFileWriteRetvalASCII(void) {
1568    TestFileWriteRetval("ASCII");
1569}
1570
1571static void TestFileWriteRetvalNONE(void) {
1572    TestFileWriteRetval("");
1573}
1574
1575U_CFUNC void
1576addFileTest(TestNode** root) {
1577#if !UCONFIG_NO_FORMATTING
1578    addTest(root, &TestFile, "file/TestFile");
1579#endif
1580    addTest(root, &StdinBuffering, "file/StdinBuffering");
1581    addTest(root, &TestfgetsBuffers, "file/TestfgetsBuffers");
1582    addTest(root, &TestFileReadBuffering, "file/TestFileReadBuffering");
1583    addTest(root, &TestfgetsLineCount, "file/TestfgetsLineCount");
1584    addTest(root, &TestfgetsNewLineHandling, "file/TestfgetsNewLineHandling");
1585    addTest(root, &TestfgetsNewLineCount, "file/TestfgetsNewLineCount");
1586    addTest(root, &TestFgetsLineBuffering, "file/TestFgetsLineBuffering");
1587    addTest(root, &TestCodepage, "file/TestCodepage");
1588    addTest(root, &TestCodepageFlush, "file/TestCodepageFlush");
1589    addTest(root, &TestFileWriteRetvalUTF16, "file/TestFileWriteRetvalUTF16");
1590    addTest(root, &TestFileWriteRetvalUTF8, "file/TestFileWriteRetvalUTF8");
1591    addTest(root, &TestFileWriteRetvalASCII, "file/TestFileWriteRetvalASCII");
1592    addTest(root, &TestFileWriteRetvalNONE, "file/TestFileWriteRetvalNONE");
1593#if !UCONFIG_NO_FORMATTING
1594    addTest(root, &TestCodepageAndLocale, "file/TestCodepageAndLocale");
1595    addTest(root, &TestFprintfFormat, "file/TestFprintfFormat");
1596    addTest(root, &TestFScanset, "file/TestFScanset");
1597    addTest(root, &TestFilePrintCompatibility, "file/TestFilePrintCompatibility");
1598    addTest(root, &TestBadScanfFormat, "file/TestBadScanfFormat");
1599    addTest(root, &TestVargs, "file/TestVargs");
1600    addTest(root, &TestUnicodeFormat, "file/TestUnicodeFormat");
1601#endif
1602}
1603