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view test/testfile.c @ 4525:3abf0b9cafad

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pelya 2010-07-12 03:53:48 PDT In function GLES_RenderCopy() in SDL_renderer_gles.c:819 there is one memcpy() that can be avoided if we're updating whole texture. Because of that the SDL 1.3 in compatibility mode is working even slower than software rendering in SDL 1.2.
author Sam Lantinga <slouken@libsdl.org>
date Wed, 14 Jul 2010 07:31:35 -0700
parents f55c87ae336b
children 27ab20a36eba
line wrap: on
line source


/* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */

#include <stdlib.h>

#ifndef _MSC_VER
#include <unistd.h>
#endif

#include "SDL.h"
#include "SDL_endian.h"


#include <stdio.h>

/* WARNING ! those 2 files will be destroyed by this test program */

#ifdef __IPHONEOS__
#define FBASENAME1	"../Documents/sdldata1" /* this file will be created during tests */
#define FBASENAME2  "../Documents/sdldata2"     /* this file should not exist before starting test */
#else
#define FBASENAME1	"sdldata1"      /* this file will be created during tests */
#define FBASENAME2	"sdldata2"      /* this file should not exist before starting test */
#endif

#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);
    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");

/* 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 */
}