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Ryujinx-SDL/test/testautomation_surface.c
Simon McVittie 0d9719964f testautomation_surface: Make sure error is set by the function we expect 
If the error behaviour in one of these cases was wrong, that could have
been hidden by the error indicator remaining set from a previous test.

Signed-off-by: Simon McVittie <smcv@collabora.com>
2024-01-18 13:22:11 -08:00

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/**
* 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() */
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_DEPRECATE)
#define _CRT_SECURE_NO_DEPRECATE
#endif
#if defined(_MSC_VER) && !defined(_CRT_NONSTDC_NO_DEPRECATE)
#define _CRT_NONSTDC_NO_DEPRECATE
#endif
#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, &currentBlendMode);
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_INDEX2* needs 1 byte per 4 pixels. */
surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 12, 1, 2, 3, SDL_PIXELFORMAT_INDEX2LSB);
SDLTest_AssertCheck(surface != NULL, "12px * 2 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_FreeSurface(surface);
surface = SDL_CreateRGBSurfaceFrom(buf, 12, 1, 2, 3, 0, 0, 0, 0);
SDLTest_AssertCheck(surface != NULL, "12px * 2 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_FreeSurface(surface);
surface = SDL_CreateRGBSurfaceWithFormatFrom(buf, 13, 1, 2, 3, SDL_PIXELFORMAT_INDEX2LSB);
SDLTest_AssertCheck(surface == NULL, "Should detect pitch < width * bpp (%d)", surface ? surface->pitch : 0);
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateRGBSurfaceFrom(buf, 13, 1, 2, 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, 13, 1, 2, 4, SDL_PIXELFORMAT_INDEX2LSB);
SDLTest_AssertCheck(surface != NULL, "13px * 2 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_FreeSurface(surface);
surface = SDL_CreateRGBSurfaceFrom(buf, 13, 1, 2, 4, 0, 0, 0, 0);
SDLTest_AssertCheck(surface != NULL, "13px * 2 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, 17, 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) {
SDL_ClearError();
expectedError = "Out of memory";
/* 0x5555'5555 * 3bpp = 0xffff'ffff which fits in size_t, but adding
* alignment padding makes it overflow */
surface = SDL_CreateRGBSurfaceWithFormat(0, 0x55555555, 1, 24, SDL_PIXELFORMAT_RGB24);
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());
SDL_ClearError();
/* 0x4000'0000 * 4bpp = 0x1'0000'0000 which (just) overflows */
surface = SDL_CreateRGBSurfaceWithFormat(0, 0x40000000, 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());
SDL_ClearError();
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());
SDL_ClearError();
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
};
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