mirror of https://github.com/libsdl-org/SDL
				
				
				
			
			You cannot select more than 25 topics
			Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
		
		
		
		
		
			
		
			
				
	
	
		
			374 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
			
		
		
	
	
			374 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
| /*
 | |
|   Copyright (C) 1997-2025 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_iostream.c (useful for alternative implementations of stdio iostream) */
 | |
| 
 | |
| /* quiet windows compiler warnings */
 | |
| #if defined(_MSC_VER) && !defined(_CRT_NONSTDC_NO_WARNINGS)
 | |
| #define _CRT_NONSTDC_NO_WARNINGS
 | |
| #endif
 | |
| 
 | |
| #include <stdio.h>
 | |
| #include <stdlib.h>
 | |
| #ifndef _MSC_VER
 | |
| #include <unistd.h>
 | |
| #endif
 | |
| 
 | |
| #include <SDL3/SDL.h>
 | |
| #include <SDL3/SDL_main.h>
 | |
| #include <SDL3/SDL_test.h>
 | |
| 
 | |
| /* WARNING ! those 2 files will be destroyed by this test program */
 | |
| 
 | |
| #ifdef SDL_PLATFORM_IOS
 | |
| #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 SDLTest_CommonState *state;
 | |
| 
 | |
| static void
 | |
| cleanup(void)
 | |
| {
 | |
|     unlink(FBASENAME1);
 | |
|     unlink(FBASENAME2);
 | |
| }
 | |
| 
 | |
| static void
 | |
| iostrm_error_quit(unsigned line, SDL_IOStream *iostrm)
 | |
| {
 | |
|     SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "testfile.c(%d): failed", line);
 | |
|     if (iostrm) {
 | |
|         SDL_CloseIO(iostrm);
 | |
|     }
 | |
|     cleanup();
 | |
|     SDL_Quit();
 | |
|     SDLTest_CommonDestroyState(state);
 | |
|     exit(1); /* quit with iostrm error (test failed) */
 | |
| }
 | |
| 
 | |
| #define RWOP_ERR_QUIT(x) iostrm_error_quit(__LINE__, (x))
 | |
| 
 | |
| int main(int argc, char *argv[])
 | |
| {
 | |
|     SDL_IOStream *iostrm = NULL;
 | |
|     char test_buf[30];
 | |
| 
 | |
|     /* Initialize test framework */
 | |
|     state = SDLTest_CommonCreateState(argv, 0);
 | |
|     if (!state) {
 | |
|         return 1;
 | |
|     }
 | |
| 
 | |
|     /* Parse commandline */
 | |
|     if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
 | |
|         return 1;
 | |
|     }
 | |
| 
 | |
|     cleanup();
 | |
| 
 | |
|     /* test 1 : basic argument test: all those calls to SDL_IOFromFile should fail */
 | |
| 
 | |
|     iostrm = SDL_IOFromFile(NULL, NULL);
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile(NULL, "ab+");
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile(NULL, "sldfkjsldkfj");
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile("something", "");
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile("something", NULL);
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_Log("test1 OK");
 | |
| 
 | |
|     /* 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)
 | |
| 
 | |
|      */
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "rb"); /* this file doesn't exist that call must fail */
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "rb+"); /* this file doesn't exist that call must fail */
 | |
|     if (iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "wb");
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     unlink(FBASENAME2);
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "wb+");
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     unlink(FBASENAME2);
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "ab");
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     unlink(FBASENAME2);
 | |
|     iostrm = SDL_IOFromFile(FBASENAME2, "ab+");
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     unlink(FBASENAME2);
 | |
|     SDL_Log("test2 OK");
 | |
| 
 | |
|     /* test 3 : creation, writing , reading, seeking,
 | |
|                 test : w mode, r mode, w+ mode
 | |
|      */
 | |
|     iostrm = SDL_IOFromFile(FBASENAME1, "wb"); /* write only */
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm); /* we are in write only mode */
 | |
|     }
 | |
| 
 | |
|     SDL_CloseIO(iostrm);
 | |
| 
 | |
|     iostrm = SDL_IOFromFile(FBASENAME1, "rb"); /* read mode, file must exist */
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_WriteIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm); /* readonly mode */
 | |
|     }
 | |
| 
 | |
|     SDL_CloseIO(iostrm);
 | |
| 
 | |
|     /* test 3: same with w+ mode */
 | |
|     iostrm = SDL_IOFromFile(FBASENAME1, "wb+"); /* write + read + truncation */
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm); /* we are in read/write mode */
 | |
|     }
 | |
| 
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     SDL_Log("test3 OK");
 | |
| 
 | |
|     /* test 4: same in r+ mode */
 | |
|     iostrm = SDL_IOFromFile(FBASENAME1, "rb+"); /* write + read + file must exists, no truncation */
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm); /* we are in read/write mode */
 | |
|     }
 | |
| 
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (20 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (27 != SDL_ReadIO(iostrm, test_buf, 30)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "12345678901234567890", 20) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     SDL_Log("test4 OK");
 | |
| 
 | |
|     /* test5 : append mode */
 | |
|     iostrm = SDL_IOFromFile(FBASENAME1, "ab+"); /* write + read + append */
 | |
|     if (!iostrm) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (10 != SDL_WriteIO(iostrm, "1234567890", 10)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_WriteIO(iostrm, "1234567", 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
| 
 | |
|     if (1 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
| 
 | |
|     if (20 + 27 != SDL_SeekIO(iostrm, -7, SDL_IO_SEEK_END)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (7 != SDL_ReadIO(iostrm, test_buf, 7)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "1234567", 7) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (0 != SDL_ReadIO(iostrm, test_buf, 1000)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
| 
 | |
|     if (27 != SDL_SeekIO(iostrm, -27, SDL_IO_SEEK_CUR)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
| 
 | |
|     if (0 != SDL_SeekIO(iostrm, 0L, SDL_IO_SEEK_SET)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (30 != SDL_ReadIO(iostrm, test_buf, 30)) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     if (SDL_memcmp(test_buf, "123456789012345678901234567123", 30) != 0) {
 | |
|         RWOP_ERR_QUIT(iostrm);
 | |
|     }
 | |
|     SDL_CloseIO(iostrm);
 | |
|     SDL_Log("test5 OK");
 | |
|     cleanup();
 | |
|     SDL_Quit();
 | |
|     SDLTest_CommonDestroyState(state);
 | |
|     return 0; /* all ok */
 | |
| }
 |