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Add surface test suite; minor improvements to render suite; refactor image saving into test lib compare function; fix for Haiku build

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This commit is contained in:
Andreas Schiffler 2012-12-26 22:26:44 -08:00
parent d9a9083464
commit 9ddb1f459d
6 changed files with 636 additions and 61 deletions
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22
src/test/SDL_test_compare.c
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@ -32,7 +32,11 @@
#include "SDL_test.h"
int SDLTest_CompareSurfaces( SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error )
/* Counter for _CompareSurface calls; used for filename creation when comparisons fail */
static int _CompareSurfaceCount = 0;
/* Compare surfaces */
int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error)
{
int ret;
int i,j;
@ -41,18 +45,20 @@ int SDLTest_CompareSurfaces( SDL_Surface *surface, SDL_Surface *referenceSurface
int dist;
Uint8 R, G, B, A;
Uint8 Rd, Gd, Bd, Ad;
char imageFilename[128];
char referenceFilename[128];
/* Validate input surfaces */
if (surface == NULL || referenceSurface == NULL) {
return -1;
}
/* Make surface size is the same. */
/* Make sure surface size is the same. */
if ((surface->w != referenceSurface->w) || (surface->h != referenceSurface->h)) {
return -2;
}
/* Sanitize input */
/* Sanitize input value */
if (allowable_error<0) {
allowable_error = 0;
}
@ -87,5 +93,15 @@ int SDLTest_CompareSurfaces( SDL_Surface *surface, SDL_Surface *referenceSurface
SDL_UnlockSurface( surface );
SDL_UnlockSurface( referenceSurface );
/* Save test image and reference for analysis on failures */
_CompareSurfaceCount++;
if (ret != 0) {
SDL_snprintf(imageFilename, 127, "CompareSurfaces%04d_TestOutput.bmp", _CompareSurfaceCount);
SDL_SaveBMP(surface, imageFilename);
SDL_snprintf(referenceFilename, 127, "CompareSurfaces%04d_Reference.bmp", _CompareSurfaceCount);
SDL_SaveBMP(referenceSurface, referenceFilename);
SDLTest_LogError("Surfaces from failed comparison saved as '%s' and '%s'", imageFilename, referenceFilename);
}
return ret;
}