testfile.c
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/*
Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org>
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely.
*/
/* sanity tests on SDL_rwops.c (usefull for alternative implementations of stdio rwops) */
/* quiet windows compiler warnings */
#define _CRT_NONSTDC_NO_WARNINGS
#include <stdlib.h>
#ifndef _MSC_VER
#include <unistd.h>
#endif
#include "SDL.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)
{
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "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];
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
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);
SDL_Log("test1 OK\n");
/* test 2 : check that inexistent file is not successfully opened/created when required */
/* modes : r, r+ imply 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);
SDL_Log("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);
SDL_Log("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);
SDL_Log("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);
SDL_Log("test5 OK\n");
cleanup();
return 0; /* all ok */
}
SDL_RWops
Definition: SDL_rwops.h:52
NULL
#define NULL
Definition: testfile.c:40
SDL_RWops::write
size_t(* write)(struct SDL_RWops *context, const void *ptr, size_t size, size_t num)
Definition: SDL_rwops.h:83
RW_SEEK_END
#define RW_SEEK_END
Definition: SDL_rwops.h:176
SDL_RWops::seek
Sint64(* seek)(struct SDL_RWops *context, Sint64 offset, int whence)
Definition: SDL_rwops.h:65
SDL_LogError
#define SDL_LogError
Definition: SDL_dynapi_overrides.h:42
rwops_error_quit
static void rwops_error_quit(unsigned line, SDL_RWops *rwops)
Definition: testfile.c:51
SDL_Log
#define SDL_Log
Definition: SDL_dynapi_overrides.h:37
SDL_RWFromFile
#define SDL_RWFromFile
Definition: SDL_dynapi_overrides.h:357
SDL_RWops::close
int(* close)(struct SDL_RWops *context)
Definition: SDL_rwops.h:91
main
int main(int argc, char *argv[])
Definition: testfile.c:66
SDL_memcmp
#define SDL_memcmp
Definition: SDL_dynapi_overrides.h:395
SDL_LOG_PRIORITY_INFO
Definition: SDL_log.h:106
RWOP_ERR_QUIT
#define RWOP_ERR_QUIT(x)
Definition: testfile.c:61
SDL_LogSetPriority
#define SDL_LogSetPriority
Definition: SDL_dynapi_overrides.h:242
SDL_RWops::read
size_t(* read)(struct SDL_RWops *context, void *ptr, size_t size, size_t maxnum)
Definition: SDL_rwops.h:74
RW_SEEK_SET
#define RW_SEEK_SET
Definition: SDL_rwops.h:174
FBASENAME1
#define FBASENAME1
Definition: testfile.c:35
RW_SEEK_CUR
#define RW_SEEK_CUR
Definition: SDL_rwops.h:175
FBASENAME2
#define FBASENAME2
Definition: testfile.c:36
SDL.h
cleanup
static void cleanup(void)
Definition: testfile.c:44
SDL_LOG_CATEGORY_APPLICATION
Definition: SDL_log.h:66