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testfile.c

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Feb 27, 2006
Date: Mon, 27 Feb 2006 17:01:43 +0100
Feb 27, 2006
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/* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
Mar 8, 2006
Added documentation on how to build a completely useless SDL library. :)
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#include <stdlib.h>
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Patched to compile on Visual Studio.
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#ifndef _MSC_VER
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Needed unistd.h for unlink()
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#include <unistd.h>
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Patched to compile on Visual Studio.
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#endif
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Date: Mon, 27 Feb 2006 17:01:43 +0100
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#include "SDL.h"
#include "SDL_endian.h"
#include <stdio.h>
/* WARNING ! those 2 files will be destroyed by this test program */
#define FBASENAME1 "sdldata1" /* this file will be created during tests */
#define FBASENAME2 "sdldata2" /* this file should not exists before starting test */
#ifndef NULL
#define NULL ((void *)0)
#endif
static void cleanup( void ) {
unlink(FBASENAME1);
unlink(FBASENAME2);
}
static void rwops_error_quit( unsigned line, SDL_RWops *rwops) {
printf("testfile.c(%d): failed\n",line);
if (rwops) {
rwops->close(rwops); /* This calls SDL_FreeRW(rwops); */
}
cleanup();
exit(1); /* quit with rwops error (test failed) */
}
#define RWOP_ERR_QUIT(x) rwops_error_quit( __LINE__, (x) )
int main(int argc, char *argv[])
{
SDL_RWops *rwops = NULL;
char test_buf[30];
cleanup();
/* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */
rwops = SDL_RWFromFile(NULL,NULL);
if (rwops) RWOP_ERR_QUIT(rwops);
Feb 27, 2006
Whoops, missed one
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rwops = SDL_RWFromFile(NULL,"ab+");
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if (rwops) RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile(NULL,"sldfkjsldkfj");
if (rwops) RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile("something","");
if (rwops) RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile("something",NULL);
if (rwops) RWOP_ERR_QUIT(rwops);
printf("test1 OK\n");
/* test 2 : check that inexistant file is not successfully opened/created when required */
/* modes : r, r+ implie that file MUST exist
modes : a, a+, w, w+ checks that it succeeds (file may not exists)
*/
rwops = SDL_RWFromFile(FBASENAME2,"rb"); /* this file doesn't exist that call must fail */
if (rwops) RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile(FBASENAME2,"rb+"); /* this file doesn't exist that call must fail */
if (rwops) RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile(FBASENAME2,"wb");
if (!rwops) RWOP_ERR_QUIT(rwops);
rwops->close(rwops); unlink(FBASENAME2);
rwops = SDL_RWFromFile(FBASENAME2,"wb+");
if (!rwops) RWOP_ERR_QUIT(rwops);
rwops->close(rwops); unlink(FBASENAME2);
rwops = SDL_RWFromFile(FBASENAME2,"ab");
if (!rwops) RWOP_ERR_QUIT(rwops);
rwops->close(rwops); unlink(FBASENAME2);
rwops = SDL_RWFromFile(FBASENAME2,"ab+");
if (!rwops) RWOP_ERR_QUIT(rwops);
rwops->close(rwops); unlink(FBASENAME2);
printf("test2 OK\n");
/* test 3 : creation, writing , reading, seeking,
test : w mode, r mode, w+ mode
*/
rwops = SDL_RWFromFile(FBASENAME1,"wb"); /* write only */
if (!rwops) RWOP_ERR_QUIT(rwops);
if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in write only mode */
rwops->close(rwops);
rwops = SDL_RWFromFile(FBASENAME1,"rb"); /* read mode, file must exists */
if (!rwops) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->write(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* readonly mode */
rwops->close(rwops);
/* test 3: same with w+ mode */
rwops = SDL_RWFromFile(FBASENAME1,"wb+"); /* write + read + truncation */
if (!rwops) RWOP_ERR_QUIT(rwops);
if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
rwops->close(rwops);
printf("test3 OK\n");
/* test 4: same in r+ mode */
rwops = SDL_RWFromFile(FBASENAME1,"rb+"); /* write + read + file must exists, no truncation */
if (!rwops) RWOP_ERR_QUIT(rwops);
if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops); /* we are in read/write mode */
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (20!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
if (2!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"12345678901234567890",20)) RWOP_ERR_QUIT(rwops);
rwops->close(rwops);
printf("test4 OK\n");
/* test5 : append mode */
rwops = SDL_RWFromFile(FBASENAME1,"ab+"); /* write + read + append */
if (!rwops) RWOP_ERR_QUIT(rwops);
if (1 != rwops->write(rwops,"1234567890",10,1) ) RWOP_ERR_QUIT(rwops);
if (10 != rwops->write(rwops,"1234567890",1,10) ) RWOP_ERR_QUIT(rwops);
if (7 != rwops->write(rwops,"1234567",1,7) ) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (1!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (20+27!=rwops->seek(rwops,-7,RW_SEEK_END)) RWOP_ERR_QUIT(rwops);
if (7!=rwops->read(rwops,test_buf,1,7)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"1234567",7)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,1,1)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->read(rwops,test_buf,10,100)) RWOP_ERR_QUIT(rwops);
if (27!=rwops->seek(rwops,-27,RW_SEEK_CUR)) RWOP_ERR_QUIT(rwops);
if (0!=rwops->seek(rwops,0L,RW_SEEK_SET)) RWOP_ERR_QUIT(rwops);
if (3!=rwops->read(rwops,test_buf,10,3)) RWOP_ERR_QUIT(rwops);
if (SDL_memcmp(test_buf,"123456789012345678901234567123",30))
RWOP_ERR_QUIT(rwops);
rwops->close(rwops);
printf("test5 OK\n");
cleanup();
return 0; /* all ok */
}