Mercurial > sdl-ios-xcode
view test/testfile.c @ 5133:ec13e48ee0d9
Fixed bug #1112 (retina display support)
Vittorio Giovara 2011-02-01 02:21:50 PST
with the attached patch, the opengles context will always use the maximum
screensize available; this is particularly useful for supporting retina display
on latest iphone.
please note: Apple documentation warns that using the "upscaled" gl context
actually uses more memory and bandwitdh, so it might be worth to let the user
decide whether to disable it or not, either with a flag or a sdl function...
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Tue, 01 Feb 2011 08:54:34 -0800 |
parents | e8916fe9cfc8 |
children |
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/* 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 "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 */ }