dlls/msvcrt/tests/file.c

   1 /*
   2  * Unit test suite for file functions
   3  *
   4  * Copyright 2002 Bill Currie
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include <windef.h>
  22 #include <winnls.h>
  23 #include <stdlib.h>
  24 #include <stdio.h>
  25 #include <fcntl.h>
  26 #include <sys/stat.h>
  27 #include <io.h>
  28
  29 #include "wine/test.h"
  30
  31 static void test_fdopen( void )
  32 {
  33     static char buffer[] = {0,1,2,3,4,5,6,7,8,9};
  34     int fd;
  35     FILE *file;
  36
  37     fd = open ("fdopen.tst", O_WRONLY | O_CREAT | O_BINARY, _S_IREAD |_S_IWRITE);
  38     write (fd, buffer, sizeof (buffer));
  39     close (fd);
  40
  41     fd = open ("fdopen.tst", O_RDONLY | O_BINARY);
  42     lseek (fd, 5, SEEK_SET);
  43     file = fdopen (fd, "rb");
  44     ok (fread (buffer, 1, sizeof (buffer), file) == 5, "read wrong byte count");
  45     ok (memcmp (buffer, buffer + 5, 5) == 0, "read wrong bytes");
  46     fclose (file);
  47     unlink ("fdopen.tst");
  48 }
  49
  50 static WCHAR* AtoW( char* p )
  51 {
  52     WCHAR* buffer;
  53     DWORD len = MultiByteToWideChar( CP_ACP, 0, p, -1, NULL, 0 );
  54     buffer = malloc( len * sizeof(WCHAR) );
  55     MultiByteToWideChar( CP_ACP, 0, p, -1, buffer, len );
  56     return buffer;
  57 }
  58
  59 static void test_fgetwc( void )
  60 {
  61 #define LLEN 512
  62
  63   char* tempf;
  64   FILE *tempfh;
  65   const char mytext[]= "This is test_fgetwc\n";
  66   WCHAR wtextW[LLEN+1];
  67   WCHAR *mytextW = NULL, *aptr, *wptr;
  68   BOOL diff_found = FALSE;
  69   int i;
  70
  71   tempf=_tempnam(".","wne");
  72   tempfh = fopen(tempf,"wt"); /* open in TEXT mode */
  73   fputs(mytext,tempfh);
  74   fclose(tempfh);
  75   tempfh = fopen(tempf,"rt");
  76   fgetws(wtextW,LLEN,tempfh);
  77   mytextW = AtoW ((char*)mytext);
  78   aptr = mytextW;
  79   wptr = wtextW;
  80
  81   for (i=0; i<strlen(mytext); i++, aptr++, wptr++)
  82     {
  83       diff_found |= (*aptr != *wptr);
  84     }
  85   ok(!(diff_found), "fgetwc difference found in TEXT mode");
  86   if(mytextW) free (mytextW);
  87   fclose(tempfh);
  88   unlink(tempf);
  89 }
  90
  91 static void test_file_put_get( void )
  92 {
  93   char* tempf;
  94   FILE *tempfh;
  95   const char mytext[]=  "This is a test_file_put_get\n";
  96   const char dostext[]= "This is a test_file_put_get\r\n";
  97   char btext[LLEN];
  98   WCHAR wtextW[LLEN+1];
  99   WCHAR *mytextW = NULL, *aptr, *wptr;
 100   BOOL diff_found = FALSE;
 101   int i;
 102
 103   tempf=_tempnam(".","wne");
 104   tempfh = fopen(tempf,"wt"); /* open in TEXT mode */
 105   fputs(mytext,tempfh);
 106   fclose(tempfh);
 107   tempfh = fopen(tempf,"rb"); /* open in TEXT mode */
 108   fgets(btext,LLEN,tempfh);
 109   ok( strlen(mytext) + 1 == strlen(btext),"TEXT/BINARY mode not handled for write");
 110   ok( btext[strlen(mytext)-1] == '\r', "CR not written");
 111   fclose(tempfh);
 112   tempfh = fopen(tempf,"wb"); /* open in BINARY mode */
 113   fputs(dostext,tempfh);
 114   fclose(tempfh);
 115   tempfh = fopen(tempf,"rt"); /* open in TEXT mode */
 116   fgets(btext,LLEN,tempfh);
 117   ok(strcmp(btext, mytext) == 0,"_O_TEXT read doesn't strip CR");
 118   fclose(tempfh);
 119   tempfh = fopen(tempf,"rb"); /* open in TEXT mode */
 120   fgets(btext,LLEN,tempfh);
 121   ok(strcmp(btext, dostext) == 0,"_O_BINARY read doesn't preserve CR");
 122
 123   fclose(tempfh);
 124   tempfh = fopen(tempf,"rt"); /* open in TEXT mode */
 125   fgetws(wtextW,LLEN,tempfh);
 126   mytextW = AtoW ((char*)mytext);
 127   aptr = mytextW;
 128   wptr = wtextW;
 129
 130   for (i=0; i<strlen(mytext); i++, aptr++, wptr++)
 131     {
 132       diff_found |= (*aptr != *wptr);
 133     }
 134   ok(!(diff_found), "fgetwc doesn't strip CR in TEXT mode");
 135   if(mytextW) free (mytextW);
 136   fclose(tempfh);
 137   unlink(tempf);
 138 }
 139 static void test_file_write_read( void )
 140 {
 141   char* tempf;
 142   int tempfd;
 143   const char mytext[]=  "This is test_file_write_read\nsecond line\n";
 144   const char dostext[]= "This is test_file_write_read\r\nsecond line\r\n";
 145   char btext[LLEN];
 146
 147   tempf=_tempnam(".","wne");
 148   ok((tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_TEXT|_O_RDWR,_S_IREAD | _S_IWRITE)) != -1,"Can't open"); /* open in TEXT mode */
 149   ok(_write(tempfd,mytext,strlen(mytext)) == strlen(mytext), "_write _O_TEXT bad return value");
 150   _close(tempfd);
 151   tempfd = _open(tempf,_O_RDONLY|_O_BINARY,0); /* open in BINARY mode */
 152   ok(_read(tempfd,btext,LLEN) == strlen(dostext), "_read _O_BINARY got bad length");
 153   ok( memcmp(dostext,btext,strlen(dostext)) == 0,"problems with _O_TEXT _write and _O_BINARY _write");
 154   ok( btext[strlen(dostext)-2] == '\r', "CR not written");
 155   _close(tempfd);
 156   tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
 157   ok(_read(tempfd,btext,LLEN) == strlen(mytext), "_read _O_TEXT got bad length");
 158   ok( memcmp(mytext,btext,strlen(mytext)) == 0,"problems with _O_TEXT _write / _write");
 159   _close(tempfd);
 160   ok(unlink(tempf) !=-1 ,"Can't unlink");
 161
 162   tempf=_tempnam(".","wne");
 163   ok((tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_BINARY|_O_RDWR,0)) != -1,"Can't open %s",tempf); /* open in BINARY mode */
 164   ok(_write(tempfd,dostext,strlen(dostext)) == strlen(dostext), "_write _O_TEXT bad return value");
 165   _close(tempfd);
 166   tempfd = _open(tempf,_O_RDONLY|_O_BINARY,0); /* open in BINARY mode */
 167   ok(_read(tempfd,btext,LLEN) == strlen(dostext), "_read _O_BINARY got bad length");
 168   ok( memcmp(dostext,btext,strlen(dostext)) == 0,"problems with _O_TEXT _write and _O_BINARY _write");
 169   ok( btext[strlen(dostext)-2] == '\r', "CR not written");
 170   _close(tempfd);
 171   tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
 172   ok(_read(tempfd,btext,LLEN) == strlen(mytext), "_read _O_TEXT got bad length");
 173   ok( memcmp(mytext,btext,strlen(mytext)) == 0,"problems with _O_TEXT _write / _write");
 174   _close(tempfd);
 175
 176   unlink(tempf);
 177 }
 178
 179
 180 START_TEST(file)
 181 {
 182     test_fdopen();
 183     test_fgetwc();
 184     test_file_put_get();
 185     test_file_write_read();
 186 }