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Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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source-engine/thirdparty/SDL2-src/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
*/
/* 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, &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;
}
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;
}
/* ================= 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};
/* Sequence of Surface test cases */
static const SDLTest_TestCaseReference *surfaceTests[] = {
&surfaceTest1, &surfaceTest2, &surfaceTest3, &surfaceTest4, &surfaceTest5,
&surfaceTest6, &surfaceTest7, &surfaceTest8, &surfaceTest9, &surfaceTest10,
&surfaceTest11, &surfaceTest12, NULL
};
/* Surface test suite (global) */
SDLTest_TestSuiteReference surfaceTestSuite = {
"Surface",
_surfaceSetUp,
surfaceTests,
_surfaceTearDown
};