/** * Original code: automated SDL surface test written by Edgar Simo "bobbens" * Adapted/rewritten for test lib by Andreas Schiffler */ /* Supress C4996 VS compiler warnings for unlink() */ #define _CRT_SECURE_NO_DEPRECATE #define _CRT_NONSTDC_NO_DEPRECATE #include <stdio.h> #ifndef _MSC_VER #include <unistd.h> #endif #include <sys/stat.h> #include "SDL.h" #include "SDL_test.h" #ifdef __MACOSX__ #include <unistd.h> /* For unlink() */ #endif /* ================= Test Case Implementation ================== */ /* Shared test surface */ static SDL_Surface *referenceSurface = NULL; static SDL_Surface *testSurface = NULL; /* Helper functions for the test cases */ #define TEST_SURFACE_WIDTH testSurface->w #define TEST_SURFACE_HEIGHT testSurface->h /* Fixture */ /* Create a 32-bit writable surface for blitting tests */ void _surfaceSetUp(void *arg) { int result; SDL_BlendMode blendMode = SDL_BLENDMODE_NONE; SDL_BlendMode currentBlendMode; Uint32 rmask, gmask, bmask, amask; #if SDL_BYTEORDER == SDL_BIG_ENDIAN rmask = 0xff000000; gmask = 0x00ff0000; bmask = 0x0000ff00; amask = 0x000000ff; #else rmask = 0x000000ff; gmask = 0x0000ff00; bmask = 0x00ff0000; amask = 0xff000000; #endif referenceSurface = SDLTest_ImageBlit(); /* For size info */ testSurface = SDL_CreateRGBSurface(SDL_SWSURFACE, referenceSurface->w, referenceSurface->h, 32, rmask, gmask, bmask, amask); SDLTest_AssertCheck(testSurface != NULL, "Check that testSurface is not NULL"); if (testSurface != NULL) { /* Disable blend mode for target surface */ result = SDL_SetSurfaceBlendMode(testSurface, blendMode); SDLTest_AssertCheck(result == 0, "Validate result from SDL_SetSurfaceBlendMode, expected: 0, got: %i", result); result = SDL_GetSurfaceBlendMode(testSurface, ¤tBlendMode); SDLTest_AssertCheck(result == 0, "Validate result from SDL_GetSurfaceBlendMode, expected: 0, got: %i", result); SDLTest_AssertCheck(currentBlendMode == blendMode, "Validate blendMode, expected: %i, got: %i", blendMode, currentBlendMode); } } void _surfaceTearDown(void *arg) { SDL_FreeSurface(referenceSurface); referenceSurface = NULL; SDL_FreeSurface(testSurface); testSurface = NULL; } /** * Helper that clears the test surface */ void _clearTestSurface() { int ret; Uint32 color; /* Clear surface. */ color = SDL_MapRGBA( testSurface->format, 0, 0, 0, 0); SDLTest_AssertPass("Call to SDL_MapRGBA()"); ret = SDL_FillRect( testSurface, NULL, color); SDLTest_AssertPass("Call to SDL_FillRect()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_FillRect, expected: 0, got: %i", ret); } /** * Helper that blits in a specific blend mode, -1 for basic blitting, -2 for color mod, -3 for alpha mod, -4 for mixed blend modes. */ void _testBlitBlendMode(int mode) { int ret; int i, j, ni, nj; SDL_Surface *face; SDL_Rect rect; int nmode; SDL_BlendMode bmode; int checkFailCount1; int checkFailCount2; int checkFailCount3; int checkFailCount4; /* Check test surface */ SDLTest_AssertCheck(testSurface != NULL, "Verify testSurface is not NULL"); if (testSurface == NULL) return; /* Create sample surface */ face = SDLTest_ImageFace(); SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL"); if (face == NULL) return; /* Reset alpha modulation */ ret = SDL_SetSurfaceAlphaMod(face, 255); SDLTest_AssertPass("Call to SDL_SetSurfaceAlphaMod()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceAlphaMod(), expected: 0, got: %i", ret); /* Reset color modulation */ ret = SDL_SetSurfaceColorMod(face, 255, 255, 255); SDLTest_AssertPass("Call to SDL_SetSurfaceColorMod()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorMod(), expected: 0, got: %i", ret); /* Reset color key */ ret = SDL_SetColorKey(face, SDL_FALSE, 0); SDLTest_AssertPass("Call to SDL_SetColorKey()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetColorKey(), expected: 0, got: %i", ret); /* Clear the test surface */ _clearTestSurface(); /* Target rect size */ rect.w = face->w; rect.h = face->h; /* Steps to take */ ni = testSurface->w - face->w; nj = testSurface->h - face->h; /* Optionally set blend mode. */ if (mode >= 0) { ret = SDL_SetSurfaceBlendMode( face, (SDL_BlendMode)mode ); SDLTest_AssertPass("Call to SDL_SetSurfaceBlendMode()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceBlendMode(..., %i), expected: 0, got: %i", mode, ret); } /* Test blend mode. */ checkFailCount1 = 0; checkFailCount2 = 0; checkFailCount3 = 0; checkFailCount4 = 0; for (j=0; j <= nj; j+=4) { for (i=0; i <= ni; i+=4) { if (mode == -2) { /* Set color mod. */ ret = SDL_SetSurfaceColorMod( face, (255/nj)*j, (255/ni)*i, (255/nj)*j ); if (ret != 0) checkFailCount2++; } else if (mode == -3) { /* Set alpha mod. */ ret = SDL_SetSurfaceAlphaMod( face, (255/ni)*i ); if (ret != 0) checkFailCount3++; } else if (mode == -4) { /* Crazy blending mode magic. */ nmode = (i/4*j/4) % 4; if (nmode==0) { bmode = SDL_BLENDMODE_NONE; } else if (nmode==1) { bmode = SDL_BLENDMODE_BLEND; } else if (nmode==2) { bmode = SDL_BLENDMODE_ADD; } else if (nmode==3) { bmode = SDL_BLENDMODE_MOD; } else { /* Should be impossible, but some static checkers are too imprecise and will complain */ SDLTest_LogError("Invalid: nmode=%d", nmode); return; } ret = SDL_SetSurfaceBlendMode( face, bmode ); if (ret != 0) checkFailCount4++; } /* Blitting. */ rect.x = i; rect.y = j; ret = SDL_BlitSurface( face, NULL, testSurface, &rect ); if (ret != 0) checkFailCount1++; } } SDLTest_AssertCheck(checkFailCount1 == 0, "Validate results from calls to SDL_BlitSurface, expected: 0, got: %i", checkFailCount1); SDLTest_AssertCheck(checkFailCount2 == 0, "Validate results from calls to SDL_SetSurfaceColorMod, expected: 0, got: %i", checkFailCount2); SDLTest_AssertCheck(checkFailCount3 == 0, "Validate results from calls to SDL_SetSurfaceAlphaMod, expected: 0, got: %i", checkFailCount3); SDLTest_AssertCheck(checkFailCount4 == 0, "Validate results from calls to SDL_SetSurfaceBlendMode, expected: 0, got: %i", checkFailCount4); /* Clean up */ SDL_FreeSurface(face); face = NULL; } /* Helper to check that a file exists */ void _AssertFileExist(const char *filename) { struct stat st; int ret = stat(filename, &st); SDLTest_AssertCheck(ret == 0, "Verify file '%s' exists", filename); } /* Test case functions */ /** * @brief Tests sprite saving and loading */ int surface_testSaveLoadBitmap(void *arg) { int ret; const char *sampleFilename = "testSaveLoadBitmap.bmp"; SDL_Surface *face; SDL_Surface *rface; /* Create sample surface */ face = SDLTest_ImageFace(); SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL"); if (face == NULL) return TEST_ABORTED; /* Delete test file; ignore errors */ unlink(sampleFilename); /* Save a surface */ ret = SDL_SaveBMP(face, sampleFilename); SDLTest_AssertPass("Call to SDL_SaveBMP()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SaveBMP, expected: 0, got: %i", ret); _AssertFileExist(sampleFilename); /* Load a surface */ rface = SDL_LoadBMP(sampleFilename); SDLTest_AssertPass("Call to SDL_LoadBMP()"); SDLTest_AssertCheck(rface != NULL, "Verify result from SDL_LoadBMP is not NULL"); if (rface != NULL) { SDLTest_AssertCheck(face->w == rface->w, "Verify width of loaded surface, expected: %i, got: %i", face->w, rface->w); SDLTest_AssertCheck(face->h == rface->h, "Verify height of loaded surface, expected: %i, got: %i", face->h, rface->h); } /* Delete test file; ignore errors */ unlink(sampleFilename); /* Clean up */ SDL_FreeSurface(face); face = NULL; SDL_FreeSurface(rface); rface = NULL; return TEST_COMPLETED; } /* ! * Tests surface conversion. */ int surface_testSurfaceConversion(void *arg) { SDL_Surface *rface = NULL, *face = NULL; int ret = 0; /* Create sample surface */ face = SDLTest_ImageFace(); SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL"); if (face == NULL) return TEST_ABORTED; /* Set transparent pixel as the pixel at (0,0) */ if (face->format->palette) { ret = SDL_SetColorKey(face, SDL_RLEACCEL, *(Uint8 *) face->pixels); SDLTest_AssertPass("Call to SDL_SetColorKey()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetColorKey, expected: 0, got: %i", ret); } /* Convert to 32 bit to compare. */ rface = SDL_ConvertSurface( face, testSurface->format, 0 ); SDLTest_AssertPass("Call to SDL_ConvertSurface()"); SDLTest_AssertCheck(rface != NULL, "Verify result from SDL_ConvertSurface is not NULL"); /* Compare surface. */ ret = SDLTest_CompareSurfaces( rface, face, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(face); face = NULL; SDL_FreeSurface(rface); rface = NULL; return TEST_COMPLETED; } /* ! * Tests surface conversion across all pixel formats. */ int surface_testCompleteSurfaceConversion(void *arg) { Uint32 pixel_formats[] = { SDL_PIXELFORMAT_INDEX8, SDL_PIXELFORMAT_RGB332, SDL_PIXELFORMAT_RGB444, SDL_PIXELFORMAT_BGR444, SDL_PIXELFORMAT_RGB555, SDL_PIXELFORMAT_BGR555, SDL_PIXELFORMAT_ARGB4444, SDL_PIXELFORMAT_RGBA4444, SDL_PIXELFORMAT_ABGR4444, SDL_PIXELFORMAT_BGRA4444, SDL_PIXELFORMAT_ARGB1555, SDL_PIXELFORMAT_RGBA5551, SDL_PIXELFORMAT_ABGR1555, SDL_PIXELFORMAT_BGRA5551, SDL_PIXELFORMAT_RGB565, SDL_PIXELFORMAT_BGR565, SDL_PIXELFORMAT_RGB24, SDL_PIXELFORMAT_BGR24, SDL_PIXELFORMAT_RGB888, SDL_PIXELFORMAT_RGBX8888, SDL_PIXELFORMAT_BGR888, SDL_PIXELFORMAT_BGRX8888, SDL_PIXELFORMAT_ARGB8888, SDL_PIXELFORMAT_RGBA8888, SDL_PIXELFORMAT_ABGR8888, SDL_PIXELFORMAT_BGRA8888, SDL_PIXELFORMAT_ARGB2101010, }; SDL_Surface *face = NULL, *cvt1, *cvt2, *final; SDL_PixelFormat *fmt1, *fmt2; int i, j, ret = 0; /* Create sample surface */ face = SDLTest_ImageFace(); SDLTest_AssertCheck(face != NULL, "Verify face surface is not NULL"); if (face == NULL) return TEST_ABORTED; /* Set transparent pixel as the pixel at (0,0) */ if (face->format->palette) { ret = SDL_SetColorKey(face, SDL_RLEACCEL, *(Uint8 *) face->pixels); SDLTest_AssertPass("Call to SDL_SetColorKey()"); SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetColorKey, expected: 0, got: %i", ret); } for ( i = 0; i < SDL_arraysize(pixel_formats); ++i ) { for ( j = 0; j < SDL_arraysize(pixel_formats); ++j ) { fmt1 = SDL_AllocFormat(pixel_formats[i]); SDL_assert(fmt1 != NULL); cvt1 = SDL_ConvertSurface(face, fmt1, 0); SDL_assert(cvt1 != NULL); fmt2 = SDL_AllocFormat(pixel_formats[j]); SDL_assert(fmt1 != NULL); cvt2 = SDL_ConvertSurface(cvt1, fmt2, 0); SDL_assert(cvt2 != NULL); if ( fmt1->BytesPerPixel == face->format->BytesPerPixel && fmt2->BytesPerPixel == face->format->BytesPerPixel && (fmt1->Amask != 0) == (face->format->Amask != 0) && (fmt2->Amask != 0) == (face->format->Amask != 0) ) { final = SDL_ConvertSurface( cvt2, face->format, 0 ); SDL_assert(final != NULL); /* Compare surface. */ ret = SDLTest_CompareSurfaces( face, final, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); SDL_FreeSurface(final); } SDL_FreeSurface(cvt1); SDL_FreeFormat(fmt1); SDL_FreeSurface(cvt2); SDL_FreeFormat(fmt2); } } /* Clean up. */ SDL_FreeSurface( face ); return TEST_COMPLETED; } /** * @brief Tests sprite loading. A failure case. */ int surface_testLoadFailure(void *arg) { SDL_Surface *face = SDL_LoadBMP("nonexistant.bmp"); SDLTest_AssertCheck(face == NULL, "SDL_CreateLoadBmp"); return TEST_COMPLETED; } /** * @brief Tests some blitting routines. */ int surface_testBlit(void *arg) { int ret; SDL_Surface *compareSurface; /* Basic blitting */ _testBlitBlendMode(-1); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlit(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some blitting routines with color mod */ int surface_testBlitColorMod(void *arg) { int ret; SDL_Surface *compareSurface; /* Basic blitting with color mod */ _testBlitBlendMode(-2); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitColor(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some blitting routines with alpha mod */ int surface_testBlitAlphaMod(void *arg) { int ret; SDL_Surface *compareSurface; /* Basic blitting with alpha mod */ _testBlitBlendMode(-3); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitAlpha(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some more blitting routines. */ int surface_testBlitBlendNone(void *arg) { int ret; SDL_Surface *compareSurface; /* Basic blitting */ _testBlitBlendMode(SDL_BLENDMODE_NONE); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitBlendNone(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some more blitting routines. */ int surface_testBlitBlendBlend(void *arg) { int ret; SDL_Surface *compareSurface; /* Blend blitting */ _testBlitBlendMode(SDL_BLENDMODE_BLEND); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitBlend(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some more blitting routines. */ int surface_testBlitBlendAdd(void *arg) { int ret; SDL_Surface *compareSurface; /* Add blitting */ _testBlitBlendMode(SDL_BLENDMODE_ADD); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitBlendAdd(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some more blitting routines. */ int surface_testBlitBlendMod(void *arg) { int ret; SDL_Surface *compareSurface; /* Mod blitting */ _testBlitBlendMode(SDL_BLENDMODE_MOD); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitBlendMod(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } /** * @brief Tests some more blitting routines with loop */ int surface_testBlitBlendLoop(void *arg) { int ret; SDL_Surface *compareSurface; /* All blitting modes */ _testBlitBlendMode(-4); /* Verify result by comparing surfaces */ compareSurface = SDLTest_ImageBlitBlendAll(); ret = SDLTest_CompareSurfaces( testSurface, compareSurface, 0 ); SDLTest_AssertCheck(ret == 0, "Validate result from SDLTest_CompareSurfaces, expected: 0, got: %i", ret); /* Clean up. */ SDL_FreeSurface(compareSurface); return TEST_COMPLETED; } int surface_testOverflow(void *arg) { char buf[1024]; const char *expectedError; SDL_Surface *surface; SDL_memset(buf, '\0', sizeof(buf)); expectedError = "Parameter 'width' is invalid"; surface = SDL_CreateRGBSurfaceWithFormat(0, -3, 100, 8, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect negative width"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, -1, 1, 8, 4, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect negative width"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, -1, 1, 32, 4, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF); SDLTest_AssertCheck(surface == NULL, "Should detect negative width"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); expectedError = "Parameter 'height' is invalid"; surface = SDL_CreateRGBSurfaceWithFormat(0, 100, -3, 8, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect negative height"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 1, -1, 8, 4, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect negative height"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 1, -1, 32, 4, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF); SDLTest_AssertCheck(surface == NULL, "Should detect negative height"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); expectedError = "Parameter 'pitch' is invalid"; surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 4, 1, 8, -1, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect negative pitch"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 1, 1, 32, -1, 0xFF000000, 0x00FF0000, 0x0000FF00, 0x000000FF); SDLTest_AssertCheck(surface == NULL, "Should detect negative pitch"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); /* Less than 1 byte per pixel: the pitch can legitimately be less than * the width, but it must be enough to hold the appropriate number of * bits per pixel. SDL_PIXELFORMAT_INDEX4* needs 1 byte per 2 pixels. */ surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 6, 1, 4, 3, SDL_PIXELFORMAT_INDEX4LSB); SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 6, 1, 4, 3, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 7, 1, 4, 3, SDL_PIXELFORMAT_INDEX4LSB); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 7, 1, 4, 3, 0, 0, 0, 0); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 7, 1, 4, 4, SDL_PIXELFORMAT_INDEX4LSB); SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 7, 1, 4, 4, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); /* SDL_PIXELFORMAT_INDEX1* needs 1 byte per 8 pixels. */ surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 16, 1, 1, 2, SDL_PIXELFORMAT_INDEX1LSB); SDLTest_AssertCheck(surface != NULL, "16px * 1 bit per px fits in 2 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 16, 1, 1, 2, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "16px * 1 bit per px fits in 2 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 17, 1, 1, 2, SDL_PIXELFORMAT_INDEX1LSB); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 17, 1, 1, 2, 0, 0, 0, 0); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 17, 1, 1, 3, SDL_PIXELFORMAT_INDEX1LSB); SDLTest_AssertCheck(surface != NULL, "17px * 1 bit per px fits in 3 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 7, 1, 1, 3, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "17px * 1 bit per px fits in 3 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); /* SDL_PIXELFORMAT_INDEX8 and SDL_PIXELFORMAT_RGB332 require 1 byte per pixel. */ surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 5, 1, 8, 5, SDL_PIXELFORMAT_RGB332); SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 5, 1, 8, 5, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 6, 1, 8, 5, SDL_PIXELFORMAT_RGB332); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 6, 1, 8, 5, 0, 0, 0, 0); SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); /* Everything else requires more than 1 byte per pixel, and rounds up * each pixel to an integer number of bytes (e.g. RGB555 is really * XRGB1555, with 1 bit per pixel wasted). */ surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 3, 1, 15, 6, SDL_PIXELFORMAT_RGB555); SDLTest_AssertCheck(surface != NULL, "3px * 15 (really 16) bits per px fits in 6 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceFrom(buf, 3, 1, 15, 6, 0, 0, 0, 0); SDLTest_AssertCheck(surface != NULL, "5px * 15 (really 16) bits per px fits in 6 bytes: %s", surface != NULL ? "(success)" : SDL_GetError()); SDL_FreeSurface(surface); surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 4, 1, 15, 6, SDL_PIXELFORMAT_RGB555); SDLTest_AssertCheck(surface == NULL, "4px * 15 (really 16) bits per px doesn't fit in 6 bytes"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceFrom(buf, 4, 1, 15, 6, 0, 0, 0, 0); SDLTest_AssertCheck(surface == NULL, "4px * 15 (really 16) bits per px doesn't fit in 6 bytes"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); if (sizeof (size_t) == 4 && sizeof (int) >= 4) { expectedError = "Out of memory"; surface = SDL_CreateRGBSurfaceWithFormat(0, SDL_MAX_SINT32, 1, 8, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width + alignment"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormat(0, SDL_MAX_SINT32 / 2, 1, 32, SDL_PIXELFORMAT_ARGB8888); SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * bytes per pixel"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormat(0, (1 << 29) - 1, (1 << 29) - 1, 8, SDL_PIXELFORMAT_INDEX8); SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * height"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); surface = SDL_CreateRGBSurfaceWithFormat(0, (1 << 15) + 1, (1 << 15) + 1, 32, SDL_PIXELFORMAT_ARGB8888); SDLTest_AssertCheck(surface == NULL, "Should detect overflow in width * height * bytes per pixel"); SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0, "Expected \"%s\", got \"%s\"", expectedError, SDL_GetError()); } else { SDLTest_Log("Can't easily overflow size_t on this platform"); } return TEST_COMPLETED; } /* ================= Test References ================== */ /* Surface test cases */ static const SDLTest_TestCaseReference surfaceTest1 = { (SDLTest_TestCaseFp)surface_testSaveLoadBitmap, "surface_testSaveLoadBitmap", "Tests sprite saving and loading.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest2 = { (SDLTest_TestCaseFp)surface_testBlit, "surface_testBlit", "Tests basic blitting.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest3 = { (SDLTest_TestCaseFp)surface_testBlitBlendNone, "surface_testBlitBlendNone", "Tests blitting routines with none blending mode.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest4 = { (SDLTest_TestCaseFp)surface_testLoadFailure, "surface_testLoadFailure", "Tests sprite loading. A failure case.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest5 = { (SDLTest_TestCaseFp)surface_testSurfaceConversion, "surface_testSurfaceConversion", "Tests surface conversion.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest6 = { (SDLTest_TestCaseFp)surface_testCompleteSurfaceConversion, "surface_testCompleteSurfaceConversion", "Tests surface conversion across all pixel formats", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest7 = { (SDLTest_TestCaseFp)surface_testBlitColorMod, "surface_testBlitColorMod", "Tests some blitting routines with color mod.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTest8 = { (SDLTest_TestCaseFp)surface_testBlitAlphaMod, "surface_testBlitAlphaMod", "Tests some blitting routines with alpha mod.", TEST_ENABLED}; /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ static const SDLTest_TestCaseReference surfaceTest9 = { (SDLTest_TestCaseFp)surface_testBlitBlendLoop, "surface_testBlitBlendLoop", "Test blitting routines with various blending modes", TEST_DISABLED}; /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ static const SDLTest_TestCaseReference surfaceTest10 = { (SDLTest_TestCaseFp)surface_testBlitBlendBlend, "surface_testBlitBlendBlend", "Tests blitting routines with blend blending mode.", TEST_DISABLED}; /* TODO: rewrite test case, define new test data and re-enable; current implementation fails */ static const SDLTest_TestCaseReference surfaceTest11 = { (SDLTest_TestCaseFp)surface_testBlitBlendAdd, "surface_testBlitBlendAdd", "Tests blitting routines with add blending mode.", TEST_DISABLED}; static const SDLTest_TestCaseReference surfaceTest12 = { (SDLTest_TestCaseFp)surface_testBlitBlendMod, "surface_testBlitBlendMod", "Tests blitting routines with mod blending mode.", TEST_ENABLED}; static const SDLTest_TestCaseReference surfaceTestOverflow = { surface_testOverflow, "surface_testOverflow", "Test overflow detection.", TEST_ENABLED}; /* Sequence of Surface test cases */ static const SDLTest_TestCaseReference *surfaceTests[] = { &surfaceTest1, &surfaceTest2, &surfaceTest3, &surfaceTest4, &surfaceTest5, &surfaceTest6, &surfaceTest7, &surfaceTest8, &surfaceTest9, &surfaceTest10, &surfaceTest11, &surfaceTest12, &surfaceTestOverflow, NULL }; /* Surface test suite (global) */ SDLTest_TestSuiteReference surfaceTestSuite = { "Surface", _surfaceSetUp, surfaceTests, _surfaceTearDown };