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			374 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			374 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
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  This software is provided 'as-is', without any express or implied
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  warranty.  In no event will the authors be held liable for any damages
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  arising from the use of this software.
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  Permission is granted to anyone to use this software for any purpose,
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  including commercial applications, and to alter it and redistribute it
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  freely.
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*/
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/* sanity tests on SDL_iostream.c (useful for alternative implementations of stdio iostream) */
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/* quiet windows compiler warnings */
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#if defined(_MSC_VER) && !defined(_CRT_NONSTDC_NO_WARNINGS)
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#define _CRT_NONSTDC_NO_WARNINGS
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#endif
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#include <stdio.h>
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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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#endif
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#include <SDL3/SDL.h>
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#include <SDL3/SDL_main.h>
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#include <SDL3/SDL_test.h>
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/* WARNING ! those 2 files will be destroyed by this test program */
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#ifdef SDL_PLATFORM_IOS
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#define FBASENAME1 "../Documents/sdldata1" /* this file will be created during tests */
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#define FBASENAME2 "../Documents/sdldata2" /* this file should not exist before starting test */
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#else
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#define FBASENAME1 "sdldata1" /* this file will be created during tests */
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#define FBASENAME2 "sdldata2" /* this file should not exist before starting test */
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#endif
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#ifndef NULL
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#define NULL ((void *)0)
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#endif
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static SDLTest_CommonState *state;
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static void
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cleanup(void)
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{
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    unlink(FBASENAME1);
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    unlink(FBASENAME2);
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}
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static void
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iostrm_error_quit(unsigned line, SDL_IOStream *iostrm)
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{
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    SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "testfile.c(%d): failed", line);
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    if (iostrm) {
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        SDL_CloseIO(iostrm);
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    }
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    cleanup();
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    SDL_Quit();
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    SDLTest_CommonDestroyState(state);
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    exit(1); /* quit with iostrm error (test failed) */
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}
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#define RWOP_ERR_QUIT(x) iostrm_error_quit(__LINE__, (x))
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int main(int argc, char *argv[])
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{
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    SDL_IOStream *iostrm = NULL;
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    char test_buf[30];
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    /* Initialize test framework */
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    state = SDLTest_CommonCreateState(argv, 0);
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    if (!state) {
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        return 1;
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    }
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    /* Parse commandline */
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    if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
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        return 1;
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    }
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    cleanup();
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    /* test 1 : basic argument test: all those calls to SDL_IOFromFile should fail */
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    iostrm = SDL_IOFromFile(NULL, NULL);
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile(NULL, "ab+");
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile(NULL, "sldfkjsldkfj");
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile("something", "");
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile("something", NULL);
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_Log("test1 OK");
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    /* test 2 : check that inexistent file is not successfully opened/created when required */
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    /* modes : r, r+ imply that file MUST exist
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       modes : a, a+, w, w+ checks that it succeeds (file may not exists)
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     */
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    iostrm = SDL_IOFromFile(FBASENAME2, "rb"); /* this file doesn't exist that call must fail */
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile(FBASENAME2, "rb+"); /* this file doesn't exist that call must fail */
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    if (iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    iostrm = SDL_IOFromFile(FBASENAME2, "wb");
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    unlink(FBASENAME2);
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    iostrm = SDL_IOFromFile(FBASENAME2, "wb+");
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    unlink(FBASENAME2);
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    iostrm = SDL_IOFromFile(FBASENAME2, "ab");
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    unlink(FBASENAME2);
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    iostrm = SDL_IOFromFile(FBASENAME2, "ab+");
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    unlink(FBASENAME2);
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    SDL_Log("test2 OK");
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    /* test 3 : creation, writing , reading, seeking,
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                test : w mode, r mode, w+ mode
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     */
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    iostrm = SDL_IOFromFile(FBASENAME1, "wb"); /* write only */
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm); /* we are in write only mode */
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    }
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    SDL_CloseIO(iostrm);
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    iostrm = SDL_IOFromFile(FBASENAME1, "rb"); /* read mode, file must exist */
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_WriteIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm); /* readonly mode */
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    }
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    SDL_CloseIO(iostrm);
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    /* test 3: same with w+ mode */
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    iostrm = SDL_IOFromFile(FBASENAME1, "wb+"); /* write + read + truncation */
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm); /* we are in read/write mode */
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    SDL_Log("test3 OK");
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    /* test 4: same in r+ mode */
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    iostrm = SDL_IOFromFile(FBASENAME1, "rb+"); /* write + read + file must exists, no truncation */
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm); /* we are in read/write mode */
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    SDL_Log("test4 OK");
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    /* test5 : append mode */
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    iostrm = SDL_IOFromFile(FBASENAME1, "ab+"); /* write + read + append */
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    if (!iostrm) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (20 + 27 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (27 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (30 != SDL_ReadIO(iostrm, test_buf, 30)) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    if (SDL_memcmp(test_buf, "123456789012345678901234567123", 30) != 0) {
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        RWOP_ERR_QUIT(iostrm);
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    }
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    SDL_CloseIO(iostrm);
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    SDL_Log("test5 OK");
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    cleanup();
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    SDL_Quit();
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    SDLTest_CommonDestroyState(state);
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    return 0; /* all ok */
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}
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