msvcrt: File read buffer tests.
This commit is contained in:
Duane Clark
Alexandre Julliard
parent
7f838ca661
commit
1aa8db05a0
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@ -32,6 +32,7 @@
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#include <winnls.h>
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#include <process.h>
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#include <errno.h>
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#include "msvcrt.h"
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static void test_fdopen( void )
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{
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@ -132,53 +133,124 @@ static void test_fileops( void )
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unlink ("fdopen.tst");
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}
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static void test_asciifileops( void )
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#define IOMODE (ao?"ascii mode":"binary mode")
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static void test_readmode( BOOL ascii_mode )
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{
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static const char outbuffer[] = "0,1,2,3,4,5,6,7,8,9\r\n\r\nA,B,C,D,E\r\nX,Y,Z";
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char buffer[256];
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static const char padbuffer[] = "ghjghjghjghj";
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static const char nlbuffer[] = "\r\n";
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char buffer[MSVCRT_BUFSIZ+256];
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int fd;
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FILE *file;
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int i;
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int i, j, fp, ao, *ip, pl;
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long l;
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fd = open ("fdopen.tst", O_WRONLY | O_CREAT | O_BINARY, _S_IREAD |_S_IWRITE);
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/* an internal buffer of MSVCRT_BUFSIZ is maintained, so make a file big
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* enough to test operations that cross the buffer boundary
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*/
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j = (MSVCRT_BUFSIZ-4)/strlen(padbuffer);
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for (i=0; i<j; i++)
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write (fd, padbuffer, strlen(padbuffer));
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j = (MSVCRT_BUFSIZ-4)%strlen(padbuffer);
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for (i=0; i<j; i++)
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write (fd, &padbuffer[i], 1);
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write (fd, nlbuffer, strlen(nlbuffer));
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write (fd, outbuffer, sizeof (outbuffer));
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close (fd);
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/* Open file in ascii mode */
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fd = open ("fdopen.tst", O_RDONLY);
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file = fdopen (fd, "rb");
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ok(strlen(outbuffer) == (sizeof(outbuffer)-1),"strlen/sizeof error\n");
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ok(ftell(file) == 0,"Did not start at beginning of file\n");
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ok(fgets(buffer,sizeof(buffer),file) !=0,"line 1 fgets failed unexpected\n");
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ok(fgets(buffer,sizeof(buffer),file) !=0,"line 2 fgets failed unexpected\n");
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ok(fgets(buffer,sizeof(buffer),file) !=0,"line 3 fgets failed unexpected\n");
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ok(fgets(buffer,sizeof(buffer),file) !=0,"line 4 fgets failed unexpected\n");
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ok(fgets(buffer,sizeof(buffer),file) ==0,"fgets didn't signal EOF\n");
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ok(feof(file) !=0,"feof doesn't signal EOF\n");
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if (ascii_mode) {
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/* Open file in ascii mode */
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fd = open ("fdopen.tst", O_RDONLY);
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file = fdopen (fd, "r");
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ao = -1; /* on offset to account for carriage returns */
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}
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else {
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fd = open ("fdopen.tst", O_RDONLY | O_BINARY);
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file = fdopen (fd, "rb");
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ao = 0;
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}
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/* first is a test of fgets, ftell, fseek */
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ok(ftell(file) == 0,"Did not start at beginning of file in %s\n", IOMODE);
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ok(fgets(buffer,MSVCRT_BUFSIZ+256,file) !=0,"padding line fgets failed unexpected in %s\n", IOMODE);
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l = ftell(file);
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pl = MSVCRT_BUFSIZ-2;
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ok(l == pl,"padding line ftell got %ld should be %d in %s\n", l, pl, IOMODE);
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ok(lstrlenA(buffer) == pl+ao,"padding line fgets got size %d should be %d in %s\n",
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lstrlenA(buffer), pl+ao, IOMODE);
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for (fp=0; fp<strlen(outbuffer); fp++)
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if (outbuffer[fp] == '\n') break;
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fp++;
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ok(fgets(buffer,256,file) !=0,"line 1 fgets failed unexpected in %s\n", IOMODE);
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l = ftell(file);
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if (ao == -1)
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todo_wine ok(l == pl+fp,"line 1 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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else
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ok(l == pl+fp,"line 1 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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ok(lstrlenA(buffer) == fp+ao,"line 1 fgets got size %d should be %d in %s\n",
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lstrlenA(buffer), fp+ao, IOMODE);
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/* test a seek back across the buffer boundary */
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l = pl;
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ok(fseek(file,l,SEEK_SET)==0,"seek failure in %s\n", IOMODE);
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l = ftell(file);
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ok(l == pl,"ftell after seek got %ld should be %d in %s\n", l, pl, IOMODE);
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ok(fgets(buffer,256,file) !=0,"second read of line 1 fgets failed unexpected in %s\n", IOMODE);
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l = ftell(file);
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if (ao == -1)
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todo_wine ok(l == pl+fp,"second read of line 1 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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else
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ok(l == pl+fp,"second read of line 1 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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ok(lstrlenA(buffer) == fp+ao,"second read of line 1 fgets got size %d should be %d in %s\n",
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lstrlenA(buffer), fp+ao, IOMODE);
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ok(fgets(buffer,256,file) !=0,"line 2 fgets failed unexpected in %s\n", IOMODE);
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fp += 2;
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l = ftell(file);
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if (ao == -1)
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todo_wine ok(l == pl+fp,"line 2 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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else
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ok(l == pl+fp,"line 2 ftell got %ld should be %d in %s\n", l, pl+fp, IOMODE);
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ok(lstrlenA(buffer) == 2+ao,"line 2 fgets got size %d should be %d in %s\n",
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lstrlenA(buffer), 2+ao, IOMODE);
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/* test fread across buffer boundary */
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rewind(file);
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ok(ftell(file) == 0,"Did not rewind to beginning of file\n");
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for (i=0; i<strlen(outbuffer); i++)
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if (outbuffer[i] == '\n') break;
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i++;
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ok(fgets(buffer,strlen(outbuffer),file) !=0,"line 1 fgets failed unexpected\n");
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ok(ftell(file) == 0,"Did not start at beginning of file in %s\n", IOMODE);
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ok(fgets(buffer,MSVCRT_BUFSIZ-6,file) !=0,"padding line fgets failed unexpected in %s\n", IOMODE);
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j=strlen(outbuffer);
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i=fread(buffer,1,256,file);
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ok(i==j+6+ao*4,"fread failed, expected %d got %d in %s\n", j+6+ao*4, i, IOMODE);
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l = ftell(file);
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todo_wine ok(l == i,"line 1 ftell got %ld should be %d\n", l, i);
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ok(lstrlenA(buffer) == i-1,"line 1 fgets got size %d should be %d\n", lstrlenA(buffer), i-1);
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ok(fgets(buffer,sizeof(outbuffer),file) !=0,"line 2 fgets failed unexpected\n");
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i += 2;
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l = ftell(file);
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todo_wine ok(l == i,"line 2 ftell got %ld should be %d\n", l, i);
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ok(lstrlenA(buffer) == 1,"line 2 fgets got size %d should be %d\n", lstrlenA(buffer), 1);
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ok(fgets(buffer,sizeof(outbuffer),file) !=0,"line 3 fgets failed unexpected\n");
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for (; i<strlen(outbuffer); i++)
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if (outbuffer[i] == '\n') break;
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i++;
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l = ftell(file);
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ok(l == i,"line 3 ftell got %ld should be %d\n", l, i);
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ok(l == pl+j+1,"ftell after fread got %ld should be %d in %s\n", l, pl+j+1, IOMODE);
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/* fread should return the requested number of bytes if available */
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rewind(file);
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ok(ftell(file) == 0,"Did not start at beginning of file in %s\n", IOMODE);
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ok(fgets(buffer,MSVCRT_BUFSIZ-6,file) !=0,"padding line fgets failed unexpected in %s\n", IOMODE);
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j = fp+10;
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i=fread(buffer,1,j,file);
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ok(i==j,"fread failed, expected %d got %d in %s\n", j, i, IOMODE);
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/* test some additional functions */
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rewind(file);
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ok(ftell(file) == 0,"Did not start at beginning of file in %s\n", IOMODE);
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ok(fgets(buffer,MSVCRT_BUFSIZ+256,file) !=0,"padding line fgets failed unexpected in %s\n", IOMODE);
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i = _getw(file);
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ip = (int *)outbuffer;
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todo_wine ok(i == *ip,"_getw failed, expected %08x got %08x in %s\n", *ip, i, IOMODE);
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for (fp=0; fp<strlen(outbuffer); fp++)
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if (outbuffer[fp] == '\n') break;
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fp++;
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/* this will cause the next _getw to cross carriage return characters */
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ok(fgets(buffer,fp-6,file) !=0,"line 1 fgets failed unexpected in %s\n", IOMODE);
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for (i=0, j=0; i<6; i++) {
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if (ao==0 || outbuffer[fp-3+i] != '\r')
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buffer[j++] = outbuffer[fp-3+i];
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}
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i = _getw(file);
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ip = (int *)buffer;
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todo_wine ok(i == *ip,"_getw failed, expected %08x got %08x in %s\n", *ip, i, IOMODE);
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fclose (file);
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unlink ("fdopen.tst");
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}
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@ -280,9 +352,29 @@ static void test_file_write_read( void )
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static const char mytext[]= "This is test_file_write_read\nsecond line\n";
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static const char dostext[]= "This is test_file_write_read\r\nsecond line\r\n";
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char btext[LLEN];
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int ret;
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int ret, i;
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tempf=_tempnam(".","wne");
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tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_BINARY|_O_RDWR,
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_S_IREAD | _S_IWRITE);
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ok( tempfd != -1,
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"Can't open '%s': %d\n", tempf, errno); /* open in BINARY mode */
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ok(_write(tempfd,dostext,strlen(dostext)) == lstrlenA(dostext),
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"_write _O_BINARY bad return value\n");
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_close(tempfd);
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i = lstrlenA(mytext);
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tempfd = _open(tempf,_O_RDONLY|_O_BINARY,0); /* open in BINARY mode */
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ok(_read(tempfd,btext,i) == i,
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"_read _O_BINARY got bad length\n");
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ok( memcmp(dostext,btext,i) == 0,
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"problems with _O_BINARY _write / _read\n");
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_close(tempfd);
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tempfd = _open(tempf,_O_RDONLY|_O_TEXT); /* open in TEXT mode */
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todo_wine ok(_read(tempfd,btext,i) == i-1,
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"_read _O_TEXT got bad length\n");
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ok( memcmp(mytext,btext,i-1) == 0,
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"problems with _O_BINARY _write / _O_TEXT _read\n");
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_close(tempfd);
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tempfd = _open(tempf,_O_CREAT|_O_TRUNC|_O_TEXT|_O_RDWR,
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_S_IREAD | _S_IWRITE);
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ok( tempfd != -1,
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@ -556,7 +648,8 @@ START_TEST(file)
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test_fdopen();
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test_fopen_fclose_fcloseall();
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test_fileops();
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test_asciifileops();
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test_readmode(FALSE); /* binary mode */
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test_readmode(TRUE); /* ascii mode */
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test_fgetwc();
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test_file_put_get();
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test_tmpnam();
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