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SDL/test/testautomation_surface.c

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/**
* Original code: automated SDL surface test written by Edgar Simo "bobbens"
* Adapted/rewritten for test lib by Andreas Schiffler
*/
/* Suppress 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 <SDL3/SDL.h>
#include <SDL3/SDL_test.h>
#include "testautomation_suites.h"
#include "testautomation_images.h"
/* ================= Test Case Implementation ================== */
/* Shared test surface */
static SDL_Surface *referenceSurface = NULL;
static SDL_Surface *testSurface = NULL;
/* Fixture */
/* Create a 32-bit writable surface for blitting tests */
static void surfaceSetUp(void *arg)
{
int result;
SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
SDL_BlendMode currentBlendMode;
referenceSurface = SDLTest_ImageBlit(); /* For size info */
testSurface = SDL_CreateSurface(referenceSurface->w, referenceSurface->h, SDL_PIXELFORMAT_RGBA32);
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);
}
}
static void surfaceTearDown(void *arg)
{
SDL_DestroySurface(referenceSurface);
referenceSurface = NULL;
SDL_DestroySurface(testSurface);
testSurface = NULL;
}
/**
* Helper that clears the test surface
*/
static void clearTestSurface(void)
{
int ret;
Uint32 color;
/* Clear surface. */
color = SDL_MapRGBA(testSurface->format, 0, 0, 0, 0);
SDLTest_AssertPass("Call to SDL_MapRGBA()");
ret = SDL_FillSurfaceRect(testSurface, NULL, color);
SDLTest_AssertPass("Call to SDL_FillSurfaceRect()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_FillSurfaceRect, 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.
*/
static 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_SetSurfaceColorKey(face, SDL_FALSE, 0);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey(), 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_DestroySurface(face);
face = NULL;
}
/* Helper to check that a file exists */
static 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
*/
static 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_DestroySurface(face);
face = NULL;
SDL_DestroySurface(rface);
rface = NULL;
return TEST_COMPLETED;
}
/**
* Tests surface conversion.
*/
static 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_SetSurfaceColorKey(face, SDL_RLEACCEL, *(Uint8 *)face->pixels);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey, expected: 0, got: %i", ret);
}
/* Convert to 32 bit to compare. */
rface = SDL_ConvertSurface(face, testSurface->format);
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_DestroySurface(face);
face = NULL;
SDL_DestroySurface(rface);
rface = NULL;
return TEST_COMPLETED;
}
/**
* Tests surface conversion across all pixel formats.
*/
static 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_XRGB8888,
SDL_PIXELFORMAT_RGBX8888,
SDL_PIXELFORMAT_XBGR8888,
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_SetSurfaceColorKey(face, SDL_RLEACCEL, *(Uint8 *)face->pixels);
SDLTest_AssertPass("Call to SDL_SetSurfaceColorKey()");
SDLTest_AssertCheck(ret == 0, "Verify result from SDL_SetSurfaceColorKey, 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_CreatePixelFormat(pixel_formats[i]);
SDL_assert(fmt1 != NULL);
cvt1 = SDL_ConvertSurface(face, fmt1);
SDL_assert(cvt1 != NULL);
fmt2 = SDL_CreatePixelFormat(pixel_formats[j]);
SDL_assert(fmt1 != NULL);
cvt2 = SDL_ConvertSurface(cvt1, fmt2);
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);
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_DestroySurface(final);
}
SDL_DestroySurface(cvt1);
SDL_DestroyPixelFormat(fmt1);
SDL_DestroySurface(cvt2);
SDL_DestroyPixelFormat(fmt2);
}
}
/* Clean up. */
SDL_DestroySurface(face);
return TEST_COMPLETED;
}
/**
* \brief Tests sprite loading. A failure case.
*/
static 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.
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some blitting routines with color mod
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some blitting routines with alpha mod
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some more blitting routines.
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some more blitting routines.
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some more blitting routines.
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some more blitting routines.
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
/**
* \brief Tests some more blitting routines with loop
*/
static 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_DestroySurface(compareSurface);
return TEST_COMPLETED;
}
static 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_CreateSurface(-3, 100, 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_CreateSurfaceFrom(buf, -1, 1, 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_CreateSurfaceFrom(buf, -1, 1, 4, SDL_PIXELFORMAT_RGBA8888);
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_CreateSurface(100, -3, 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_CreateSurfaceFrom(buf, 1, -1, 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_CreateSurfaceFrom(buf, 1, -1, 4, SDL_PIXELFORMAT_RGBA8888);
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_CreateSurfaceFrom(buf, 4, 1, -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_CreateSurfaceFrom(buf, 1, 1, -1, SDL_PIXELFORMAT_RGBA8888);
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_CreateSurfaceFrom(buf, 1, 1, 0, SDL_PIXELFORMAT_RGBA8888);
SDLTest_AssertCheck(surface == NULL, "Should detect zero pitch");
SDLTest_AssertCheck(SDL_strcmp(SDL_GetError(), expectedError) == 0,
"Expected \"%s\", got \"%s\"", expectedError, SDL_GetError());
surface = SDL_CreateSurfaceFrom(NULL, 1, 1, 0, SDL_PIXELFORMAT_RGBA8888);
SDLTest_AssertCheck(surface != NULL, "Allow zero pitch for partially set up surfaces: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* 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_INDEX4LSB* needs 1 byte per 2 pixels. */
surface = SDL_CreateSurfaceFrom(buf, 6, 1, 3, SDL_PIXELFORMAT_INDEX4LSB);
SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 6, 1, 3, SDL_PIXELFORMAT_INDEX4LSB);
SDLTest_AssertCheck(surface != NULL, "6px * 4 bits per px fits in 3 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 7, 1, 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_CreateSurfaceFrom(buf, 7, 1, 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_CreateSurfaceFrom(buf, 7, 1, 4, SDL_PIXELFORMAT_INDEX4LSB);
SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 7, 1, 4, SDL_PIXELFORMAT_INDEX4LSB);
SDLTest_AssertCheck(surface != NULL, "7px * 4 bits per px fits in 4 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
/* SDL_PIXELFORMAT_INDEX1* needs 1 byte per 8 pixels. */
surface = SDL_CreateSurfaceFrom(buf, 16, 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_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 16, 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_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 17, 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_CreateSurfaceFrom(buf, 17, 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_CreateSurfaceFrom(buf, 17, 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_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 17, 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_DestroySurface(surface);
/* SDL_PIXELFORMAT_INDEX8 and SDL_PIXELFORMAT_RGB332 require 1 byte per pixel. */
surface = SDL_CreateSurfaceFrom(buf, 5, 1, 5, SDL_PIXELFORMAT_RGB332);
SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 5, 1, 5, SDL_PIXELFORMAT_INDEX8);
SDLTest_AssertCheck(surface != NULL, "5px * 8 bits per px fits in 5 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 6, 1, 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_CreateSurfaceFrom(buf, 6, 1, 5, SDL_PIXELFORMAT_INDEX8);
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_CreateSurfaceFrom(buf, 3, 1, 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_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 3, 1, 6, SDL_PIXELFORMAT_RGB555);
SDLTest_AssertCheck(surface != NULL, "5px * 15 (really 16) bits per px fits in 6 bytes: %s",
surface != NULL ? "(success)" : SDL_GetError());
SDL_DestroySurface(surface);
surface = SDL_CreateSurfaceFrom(buf, 4, 1, 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_CreateSurfaceFrom(buf, 4, 1, 6, SDL_PIXELFORMAT_XRGB1555);
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_CreateSurface(SDL_MAX_SINT32, 1, 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_CreateSurface(SDL_MAX_SINT32 / 2, 1, 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_CreateSurface((1 << 29) - 1, (1 << 29) - 1, 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_CreateSurface((1 << 15) + 1, (1 << 15) + 1, 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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