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Sweden-Number/dlls/msvcrt/tests/file.c

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/*
* Unit test suite for file functions
*
* Copyright 2002 Bill Currie
* Copyright 2005 Paul Rupe
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "wine/test.h"
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <io.h>
#include <windef.h>
#include <winbase.h>
#include <winnls.h>
#include <process.h>
#include <errno.h>
static void test_fdopen( void )
{
static const char buffer[] = {0,1,2,3,4,5,6,7,8,9};
char ibuf[10];
int fd;
FILE *file;
fd = open ("fdopen.tst", O_WRONLY | O_CREAT | O_BINARY, _S_IREAD |_S_IWRITE);
write (fd, buffer, sizeof (buffer));
close (fd);
fd = open ("fdopen.tst", O_RDONLY | O_BINARY);
lseek (fd, 5, SEEK_SET);
file = fdopen (fd, "rb");
ok (fread (ibuf, 1, sizeof (buffer), file) == 5, "read wrong byte count\n");
ok (memcmp (ibuf, buffer + 5, 5) == 0, "read wrong bytes\n");
fclose (file);
unlink ("fdopen.tst");
}
static void test_fileops( void )
{
static const char outbuffer[] = "0,1,2,3,4,5,6,7,8,9";
char buffer[256];
WCHAR wbuffer[256];
int fd;
FILE *file;
fpos_t pos;
int i, c;
fd = open ("fdopen.tst", O_WRONLY | O_CREAT | O_BINARY, _S_IREAD |_S_IWRITE);
write (fd, outbuffer, sizeof (outbuffer));
close (fd);
fd = open ("fdopen.tst", O_RDONLY | O_BINARY);
file = fdopen (fd, "rb");
ok(strlen(outbuffer) == (sizeof(outbuffer)-1),"strlen/sizeof error\n");
ok(fgets(buffer,sizeof(buffer),file) !=0,"fgets failed unexpected\n");
ok(fgets(buffer,sizeof(buffer),file) ==0,"fgets didn't signal EOF\n");
ok(feof(file) !=0,"feof doesn't signal EOF\n");
rewind(file);
ok(fgets(buffer,strlen(outbuffer),file) !=0,"fgets failed unexpected\n");
ok(lstrlenA(buffer) == lstrlenA(outbuffer) -1,"fgets didn't read right size\n");
ok(fgets(buffer,sizeof(outbuffer),file) !=0,"fgets failed unexpected\n");
ok(strlen(buffer) == 1,"fgets dropped chars\n");
ok(buffer[0] == outbuffer[strlen(outbuffer)-1],"fgets exchanged chars\n");
rewind(file);
for (i = 0, c = EOF; i < sizeof(outbuffer); i++)
{
ok((c = fgetc(file)) == outbuffer[i], "fgetc returned wrong data\n");
}
ok((c = fgetc(file)) == EOF, "getc did not return EOF\n");
ok(feof(file), "feof did not return EOF\n");
ok(ungetc(c, file) == EOF, "ungetc(EOF) did not return EOF\n");
ok(feof(file), "feof after ungetc(EOF) did not return EOF\n");
ok((c = fgetc(file)) == EOF, "getc did not return EOF\n");
c = outbuffer[sizeof(outbuffer) - 1];
ok(ungetc(c, file) == c, "ungetc did not return its input\n");
ok(!feof(file), "feof after ungetc returned EOF\n");
ok((c = fgetc(file)) != EOF, "getc after ungetc returned EOF\n");
ok(c == outbuffer[sizeof(outbuffer) - 1],
"getc did not return ungetc'd data\n");
ok(!feof(file), "feof after getc returned EOF prematurely\n");
ok((c = fgetc(file)) == EOF, "getc did not return EOF\n");
ok(feof(file), "feof after getc did not return EOF\n");
rewind(file);
ok(fgetpos(file,&pos) == 0, "fgetpos failed unexpected\n");
ok(pos == 0, "Unexpected result of fgetpos 0x%Lx\n", pos);
pos = (ULONGLONG)sizeof (outbuffer);
ok(fsetpos(file, &pos) == 0, "fsetpos failed unexpected\n");
ok(fgetpos(file,&pos) == 0, "fgetpos failed unexpected\n");
ok(pos == (ULONGLONG)sizeof (outbuffer), "Unexpected result of fgetpos 0x%Lx\n", pos);
fclose (file);
fd = open ("fdopen.tst", O_RDONLY | O_TEXT);
file = fdopen (fd, "rt"); /* open in TEXT mode */
ok(fgetws(wbuffer,sizeof(wbuffer),file) !=0,"fgetws failed unexpected\n");
ok(fgetws(wbuffer,sizeof(wbuffer),file) ==0,"fgetws didn't signal EOF\n");
ok(feof(file) !=0,"feof doesn't signal EOF\n");
rewind(file);
ok(fgetws(wbuffer,strlen(outbuffer),file) !=0,"fgetws failed unexpected\n");
ok(lstrlenW(wbuffer) == (lstrlenA(outbuffer) -1),"fgetws didn't read right size\n");
ok(fgetws(wbuffer,sizeof(outbuffer),file) !=0,"fgets failed unexpected\n");
ok(lstrlenW(wbuffer) == 1,"fgets dropped chars\n");
fclose (file);
file = fopen("fdopen.tst", "rb");
ok( file != NULL, "fopen failed\n");
/* sizeof(buffer) > content of file */
ok(fread(buffer, sizeof(buffer), 1, file) == 0, "fread test failed\n");
/* feof should be set now */
ok(feof(file), "feof after fread failed\n");
fclose (file);
unlink ("fdopen.tst");
}
static WCHAR* AtoW( char* p )
{
WCHAR* buffer;
DWORD len = MultiByteToWideChar( CP_ACP, 0, p, -1, NULL, 0 );
buffer = malloc( len * sizeof(WCHAR) );
MultiByteToWideChar( CP_ACP, 0, p, -1, buffer, len );
return buffer;
}
static void test_fgetwc( void )
{
#define LLEN 512
char* tempf;
FILE *tempfh;
static const char mytext[]= "This is test_fgetwc\n";
WCHAR wtextW[LLEN+1];
WCHAR *mytextW = NULL, *aptr, *wptr;
BOOL diff_found = FALSE;
unsigned int i;
tempf=_tempnam(".","wne");
tempfh = fopen(tempf,"wt"); /* open in TEXT mode */
fputs(mytext,tempfh);
fclose(tempfh);
tempfh = fopen(tempf,"rt");
fgetws(wtextW,LLEN,tempfh);
mytextW = AtoW ((char*)mytext);
aptr = mytextW;
wptr = wtextW;
for (i=0; i<strlen(mytext); i++, aptr++, wptr++)
{
diff_found |= (*aptr != *wptr);
}
ok(!(diff_found), "fgetwc difference found in TEXT mode\n");
if(mytextW) free (mytextW);
fclose(tempfh);
unlink(tempf);
}
static void test_file_put_get( void )
{
char* tempf;
FILE *tempfh;
static const char mytext[]= "This is a test_file_put_get\n";
static const char dostext[]= "This is a test_file_put_get\r\n";
char btext[LLEN];
WCHAR wtextW[LLEN+1];
WCHAR *mytextW = NULL, *aptr, *wptr;
BOOL diff_found = FALSE;
unsigned int i;
tempf=_tempnam(".","wne");
tempfh = fopen(tempf,"wt"); /* open in TEXT mode */
fputs(mytext,tempfh);
fclose(tempfh);
tempfh = fopen(tempf,"rb"); /* open in TEXT mode */
fgets(btext,LLEN,tempfh);
ok( strlen(mytext) + 1 == strlen(btext),"TEXT/BINARY mode not handled for write\n");
ok( btext[strlen(mytext)-1] == '\r', "CR not written\n");
fclose(tempfh);
tempfh = fopen(tempf,"wb"); /* open in BINARY mode */
fputs(dostext,tempfh);
fclose(tempfh);
tempfh = fopen(tempf,"rt"); /* open in TEXT mode */
fgets(btext,LLEN,tempfh);
ok(strcmp(btext, mytext) == 0,"_O_TEXT read doesn't strip CR\n");
fclose(tempfh);
tempfh = fopen(tempf,"rb"); /* open in TEXT mode */
fgets(btext,LLEN,tempfh);
ok(strcmp(btext, dostext) == 0,"_O_BINARY read doesn't preserve CR\n");
fclose(tempfh);
tempfh = fopen(tempf,"rt"); /* open in TEXT mode */
fgetws(wtextW,LLEN,tempfh);
mytextW = AtoW ((char*)mytext);
aptr = mytextW;
wptr = wtextW;
for (i=0; i<strlen(mytext); i++, aptr++, wptr++)
{
diff_found |= (*aptr != *wptr);
}
ok(!(diff_found), "fgetwc doesn't strip CR in TEXT mode\n");
if(mytextW) free (mytextW);
fclose(tempfh);
unlink(tempf);
}
static void test_file_write_read( void )
{
char* tempf;
int tempfd;
static const char mytext[]= "This is test_file_write_read\nsecond line\n";
static const char dostext[]= "This is test_file_write_read\r\nsecond line\r\n";
char btext[LLEN];
int ret;
tempf=_tempnam(".","wne");
tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_TEXT|_O_RDWR,
_S_IREAD | _S_IWRITE);
ok( tempfd != -1,
"Can't open '%s': %d\n", tempf, errno); /* open in TEXT mode */
ok(_write(tempfd,mytext,strlen(mytext)) == lstrlenA(mytext),
"_write _O_TEXT bad return value\n");
_close(tempfd);
tempfd = _open(tempf,_O_RDONLY|_O_BINARY,0); /* open in BINARY mode */
ok(_read(tempfd,btext,LLEN) == lstrlenA(dostext),
"_read _O_BINARY got bad length\n");
ok( memcmp(dostext,btext,strlen(dostext)) == 0,
"problems with _O_TEXT _write / _O_BINARY _read\n");
ok( btext[strlen(dostext)-2] == '\r', "CR not written or read\n");
_close(tempfd);
tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
ok(_read(tempfd,btext,LLEN) == lstrlenA(mytext),
"_read _O_TEXT got bad length\n");
ok( memcmp(mytext,btext,strlen(mytext)) == 0,
"problems with _O_TEXT _write / _read\n");
_close(tempfd);
memset(btext, 0, LLEN);
tempfd = _open(tempf,_O_APPEND|_O_RDWR); /* open for APPEND in default mode */
ok(tell(tempfd) == 0, "bad position %lu expecting 0\n", tell(tempfd));
ok(_read(tempfd,btext,LLEN) == lstrlenA(mytext), "_read _O_APPEND got bad length\n");
ok( memcmp(mytext,btext,strlen(mytext)) == 0, "problems with _O_APPEND _read\n");
_close(tempfd);
/* Test reading only \n or \r */
tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
_lseek(tempfd, -1, FILE_END);
ret = _read(tempfd,btext,LLEN);
ok(ret == 1, "_read expected 1 got bad length: %d\n", ret);
_lseek(tempfd, -2, FILE_END);
ret = _read(tempfd,btext,LLEN);
ok(ret == 1 && *btext == '\n', "_read expected '\\n' got bad length: %d\n", ret);
_lseek(tempfd, -3, FILE_END);
ret = _read(tempfd,btext,2);
todo_wine ok(ret == 1 && *btext == 'e', "_read expected 'e' got \"%.*s\" bad length: %d\n", ret, btext, ret);
todo_wine ok(tell(tempfd) == 42, "bad position %lu expecting 42\n", tell(tempfd));
_close(tempfd);
ret = unlink(tempf);
ok( ret == 0 ,"Can't unlink '%s': %d\n", tempf, errno);
tempf=_tempnam(".","wne");
tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_BINARY|_O_RDWR,0);
ok( tempfd != -1,
"Can't open '%s': %d\n", tempf, errno); /* open in BINARY mode */
ok(_write(tempfd,dostext,strlen(dostext)) == lstrlenA(dostext),
"_write _O_BINARY bad return value\n");
_close(tempfd);
tempfd = _open(tempf,_O_RDONLY|_O_BINARY,0); /* open in BINARY mode */
ok(_read(tempfd,btext,LLEN) == lstrlenA(dostext),
"_read _O_BINARY got bad length\n");
ok( memcmp(dostext,btext,strlen(dostext)) == 0,
"problems with _O_BINARY _write / _read\n");
ok( btext[strlen(dostext)-2] == '\r', "CR not written or read\n");
_close(tempfd);
tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
ok(_read(tempfd,btext,LLEN) == lstrlenA(mytext),
"_read _O_TEXT got bad length\n");
ok( memcmp(mytext,btext,strlen(mytext)) == 0,
"problems with _O_BINARY _write / _O_TEXT _read\n");
_close(tempfd);
ret =_chmod (tempf, _S_IREAD | _S_IWRITE);
ok( ret == 0,
"Can't chmod '%s' to read-write: %d\n", tempf, errno);
ret = unlink(tempf);
ok( ret == 0 ,"Can't unlink '%s': %d\n", tempf, errno);
}
static void test_file_inherit_child(const char* fd_s)
{
int fd = atoi(fd_s);
char buffer[32];
int ret;
ret =write(fd, "Success", 8);
ok( ret == 8, "Couldn't write in child process on %d (%s)\n", fd, strerror(errno));
lseek(fd, 0, SEEK_SET);
ok(read(fd, buffer, sizeof (buffer)) == 8, "Couldn't read back the data\n");
ok(memcmp(buffer, "Success", 8) == 0, "Couldn't read back the data\n");
}
static void test_file_inherit_child_no(const char* fd_s)
{
int fd = atoi(fd_s);
int ret;
ret = write(fd, "Success", 8);
ok( ret == -1 && errno == EBADF,
"Wrong write result in child process on %d (%s)\n", fd, strerror(errno));
}
static void test_file_inherit( const char* selfname )
{
int fd;
const char* arg_v[5];
char buffer[16];
fd = open ("fdopen.tst", O_CREAT | O_RDWR | O_BINARY, _S_IREAD |_S_IWRITE);
ok(fd != -1, "Couldn't create test file\n");
arg_v[0] = selfname;
arg_v[1] = "tests/file.c";
arg_v[2] = buffer; sprintf(buffer, "%d", fd);
arg_v[3] = 0;
_spawnvp(_P_WAIT, selfname, arg_v);
ok(tell(fd) == 8, "bad position %lu expecting 8\n", tell(fd));
lseek(fd, 0, SEEK_SET);
ok(read(fd, buffer, sizeof (buffer)) == 8 && memcmp(buffer, "Success", 8) == 0, "Couldn't read back the data\n");
close (fd);
ok(unlink("fdopen.tst") == 0, "Couldn't unlink\n");
fd = open ("fdopen.tst", O_CREAT | O_RDWR | O_BINARY | O_NOINHERIT, _S_IREAD |_S_IWRITE);
ok(fd != -1, "Couldn't create test file\n");
arg_v[0] = selfname;
arg_v[1] = "tests/file.c";
arg_v[2] = buffer; sprintf(buffer, "%d", fd);
arg_v[3] = buffer;
arg_v[4] = 0;
_spawnvp(_P_WAIT, selfname, arg_v);
ok(tell(fd) == 0, "bad position %lu expecting 0\n", tell(fd));
ok(read(fd, buffer, sizeof (buffer)) == 0, "Found unexpected data (%s)\n", buffer);
close (fd);
ok(unlink("fdopen.tst") == 0, "Couldn't unlink\n");
}
static void test_tmpnam( void )
{
char name[MAX_PATH] = "abc";
char *res;
res = tmpnam(NULL);
ok(res != NULL, "tmpnam returned NULL\n");
ok(res[0] == '\\', "first character is not a backslash\n");
ok(strchr(res+1, '\\') == 0, "file not in the root directory\n");
ok(res[strlen(res)-1] == '.', "first call - last character is not a dot\n");
res = tmpnam(name);
ok(res != NULL, "tmpnam returned NULL\n");
ok(res == name, "supplied buffer was not used\n");
ok(res[0] == '\\', "first character is not a backslash\n");
ok(strchr(res+1, '\\') == 0, "file not in the root directory\n");
ok(res[strlen(res)-1] != '.', "second call - last character is a dot\n");
}
static void test_chsize( void )
{
int fd;
long cur, pos, count;
char temptext[] = "012345678";
char *tempfile = _tempnam( ".", "tst" );
ok( tempfile != NULL, "Couldn't create test file: %s\n", tempfile );
fd = _open( tempfile, _O_CREAT|_O_TRUNC|_O_RDWR, _S_IREAD|_S_IWRITE );
ok( fd > 0, "Couldn't open test file\n" );
count = _write( fd, temptext, sizeof(temptext) );
ok( count > 0, "Couldn't write to test file\n" );
/* get current file pointer */
cur = _lseek( fd, 0, SEEK_CUR );
/* make the file smaller */
ok( _chsize( fd, sizeof(temptext) / 2 ) == 0, "_chsize() failed\n" );
pos = _lseek( fd, 0, SEEK_CUR );
ok( cur == pos, "File pointer changed from: %ld to: %ld\n", cur, pos );
ok( _filelength( fd ) == sizeof(temptext) / 2, "Wrong file size\n" );
/* enlarge the file */
ok( _chsize( fd, sizeof(temptext) * 2 ) == 0, "_chsize() failed\n" );
pos = _lseek( fd, 0, SEEK_CUR );
ok( cur == pos, "File pointer changed from: %ld to: %ld\n", cur, pos );
ok( _filelength( fd ) == sizeof(temptext) * 2, "Wrong file size\n" );
_close( fd );
_unlink( tempfile );
}
static void test_fopen_fclose_fcloseall( void )
{
char fname1[] = "empty1";
char fname2[] = "empty2";
char fname3[] = "empty3";
FILE *stream1, *stream2, *stream3, *stream4;
int ret, numclosed;
/* testing fopen() */
stream1 = fopen(fname1, "w+");
ok(stream1 != NULL, "The file '%s' was not opened\n", fname1);
stream2 = fopen(fname2, "w ");
ok(stream2 != NULL, "The file '%s' was not opened\n", fname2 );
_unlink(fname3);
stream3 = fopen(fname3, "r");
ok(stream3 == NULL, "The file '%s' shouldn't exist before\n", fname3 );
stream3 = fopen(fname3, "w+");
ok(stream3 != NULL, "The file '%s' should be opened now\n", fname3 );
errno = 0xfaceabad;
stream4 = fopen("", "w+");
ok(stream4 == NULL && errno == ENOENT,
"filename is empty, errno = %d (expected 2)\n", errno);
errno = 0xfaceabad;
stream4 = fopen(NULL, "w+");
ok(stream4 == NULL && (errno == EINVAL || errno == ENOENT),
"filename is NULL, errno = %d (expected 2 or 22)\n", errno);
/* testing fclose() */
ret = fclose(stream2);
ok(ret == 0, "The file '%s' was not closed\n", fname2);
ret = fclose(stream3);
ok(ret == 0, "The file '%s' was not closed\n", fname3);
ret = fclose(stream2);
ok(ret == EOF, "Closing file '%s' returned %d\n", fname2, ret);
ret = fclose(stream3);
ok(ret == EOF, "Closing file '%s' returned %d\n", fname3, ret);
/* testing fcloseall() */
numclosed = _fcloseall();
/* fname1 should be closed here */
ok(numclosed == 1, "Number of files closed by fcloseall(): %u\n", numclosed);
numclosed = _fcloseall();
ok(numclosed == 0, "Number of files closed by fcloseall(): %u\n", numclosed);
ok(_unlink(fname1) == 0, "Couldn't unlink file named '%s'\n", fname1);
ok(_unlink(fname2) == 0, "Couldn't unlink file named '%s'\n", fname2);
ok(_unlink(fname3) == 0, "Couldn't unlink file named '%s'\n", fname3);
}
START_TEST(file)
{
int arg_c;
char** arg_v;
arg_c = winetest_get_mainargs( &arg_v );
/* testing low-level I/O */
if (arg_c >= 3)
{
if (arg_c == 3) test_file_inherit_child(arg_v[2]);
else test_file_inherit_child_no(arg_v[2]);
return;
}
test_file_inherit(arg_v[0]);
test_file_write_read();
test_chsize();
/* testing stream I/O */
test_fdopen();
test_fopen_fclose_fcloseall();
test_fileops();
test_fgetwc();
test_file_put_get();
test_tmpnam();
}
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