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testfile.c
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/* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
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#include <stdlib.h>
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#ifndef _MSC_VER
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#include <unistd.h>
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#include "SDL.h"
#include "SDL_endian.h"
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#include <stdio.h>
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/* WARNING ! those 2 files will be destroyed by this test program */
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#define FBASENAME1 "sdldata1" /* this file will be created during tests */
#define FBASENAME2 "sdldata2" /* this file should not exists before starting test */
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#ifndef NULL
#define NULL ((void *)0)
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static void
cleanup(void)
{
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unlink(FBASENAME1);
unlink(FBASENAME2);
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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) */
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}
#define RWOP_ERR_QUIT(x) rwops_error_quit( __LINE__, (x) )
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int
main(int argc, char *argv[])
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SDL_RWops *rwops = NULL;
char test_buf[30];
cleanup();
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/* test 1 : basic argument test: all those calls to SDL_RWFromFile should fail */
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rwops = SDL_RWFromFile(NULL, NULL);
if (rwops)
RWOP_ERR_QUIT(rwops);
rwops = SDL_RWFromFile(NULL, "ab+");
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");
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/* 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)
*/
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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");
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/* test 3 : creation, writing , reading, seeking,
test : w mode, r mode, w+ mode
*/
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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);
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/* test 3: same with w+ mode */
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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");
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/* test 4: same in r+ mode */
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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");
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/* test5 : append mode */
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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 */