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Add test for SDL_GetPixelFormatName to Pixels suite; minor improvemen…
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…ts to Pixels suite
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@ferzkopp
ferzkopp committed May 6, 2013
1 parent 7d82dbc commit 6022c7c
Showing 1 changed file with 139 additions and 20 deletions.
159 changes: 139 additions & 20 deletions test/testautomation_pixels.c
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Expand Up @@ -97,6 +97,19 @@ char* _nonRGBPixelFormatsVerbose[] =
"SDL_PIXELFORMAT_YVYU"
};

/* Definition of some invalid formats for negative tests */
const int _numInvalidPixelFormats = 2;
Uint32 _invalidPixelFormats[] =
{
0xfffffffe,
0xffffffff
};
char* _invalidPixelFormatsVerbose[] =
{
"SDL_PIXELFORMAT_UNKNOWN",
"SDL_PIXELFORMAT_UNKNOWN"
};

/* Test case functions */

/**
Expand All @@ -108,14 +121,34 @@ char* _nonRGBPixelFormatsVerbose[] =
int
pixels_allocFreeFormat(void *arg)
{
const char *unknownFormat = "SDL_PIXELFORMAT_UNKNOWN";
const char *expectedError = "Parameter 'format' is invalid";
const char *error;
char message[256];
int i;
Uint32 format;
Uint32 masks;
SDL_PixelFormat* result;

/* Blank/unknown format */
format = 0;
SDLTest_Log("RGB Format: %s (%u)", unknownFormat, format);

/* Allocate format */
result = SDL_AllocFormat(format);
SDLTest_AssertPass("Call to SDL_AllocFormat()");
SDLTest_AssertCheck(result != NULL, "Verify result is not NULL");
if (result != NULL) {
SDLTest_AssertCheck(result->format == format, "Verify value of result.format; expected: %u, got %u", format, result->format);
SDLTest_AssertCheck(result->BitsPerPixel == 0, "Verify value of result.BitsPerPixel; expected: 0, got %u", result->BitsPerPixel);
SDLTest_AssertCheck(result->BytesPerPixel == 0, "Verify value of result.BytesPerPixel; expected: 0, got %u", result->BytesPerPixel);
masks = result->Rmask | result->Gmask | result->Bmask | result->Amask;
SDLTest_AssertCheck(masks == 0, "Verify value of result.[RGBA]mask combined; expected: 0, got %u", masks);

/* Deallocate again */
SDL_FreeFormat(result);
SDLTest_AssertPass("Call to SDL_FreeFormat()");
}

/* RGB formats */
for (i = 0; i < _numRGBPixelFormats; i++) {
format = _RGBPixelFormats[i];
Expand Down Expand Up @@ -153,19 +186,21 @@ pixels_allocFreeFormat(void *arg)

/* Negative cases */

/* Invalid Format */
SDL_ClearError();
SDLTest_AssertPass("Call to SDL_ClearError()");
format = 0xffffffff;
result = SDL_AllocFormat(format);
SDLTest_AssertPass("Call to SDL_AllocFormat(0xffffffff)");
SDLTest_AssertCheck(result == NULL, "Verify result is NULL");
error = SDL_GetError();
SDLTest_AssertPass("Call to SDL_GetError()");
SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");
if (error != NULL) {
/* Invalid Formats */
for (i = 0; i < _numInvalidPixelFormats; i++) {
SDL_ClearError();
SDLTest_AssertPass("Call to SDL_ClearError()");
format = _invalidPixelFormats[i];
result = SDL_AllocFormat(format);
SDLTest_AssertPass("Call to SDL_AllocFormat(%u)", format);
SDLTest_AssertCheck(result == NULL, "Verify result is NULL");
error = SDL_GetError();
SDLTest_AssertPass("Call to SDL_GetError()");
SDLTest_AssertCheck(error != NULL, "Validate that error message was not NULL");
if (error != NULL) {
SDLTest_AssertCheck(SDL_strcmp(error, expectedError) == 0,
"Validate error message, expected: '%s', got: '%s'", expectedError, error);
}
}

/* Invalid free pointer */
Expand All @@ -184,6 +219,90 @@ pixels_allocFreeFormat(void *arg)
return TEST_COMPLETED;
}

/**
* @brief Call to SDL_GetPixelFormatName
*
* @sa http://wiki.libsdl.org/moin.fcg/SDL_GetPixelFormatName
*/
int
pixels_getPixelFormatName(void *arg)
{
const char *unknownFormat = "SDL_PIXELFORMAT_UNKNOWN";
const char *error;
int i;
Uint32 format;
char* result;

/* Blank/undefined format */
format = 0;
SDLTest_Log("RGB Format: %s (%u)", unknownFormat, format);

/* Get name of format */
result = (char *)SDL_GetPixelFormatName(format);
SDLTest_AssertPass("Call to SDL_GetPixelFormatName()");
SDLTest_AssertCheck(result != NULL, "Verify result is not NULL");
if (result != NULL) {
SDLTest_AssertCheck(SDL_strlen(result) > 0, "Verify result is non-empty");
SDLTest_AssertCheck(SDL_strcmp(result, unknownFormat) == 0,
"Verify result text; expected: %s, got %s", unknownFormat, result);
}

/* RGB formats */
for (i = 0; i < _numRGBPixelFormats; i++) {
format = _RGBPixelFormats[i];
SDLTest_Log("RGB Format: %s (%u)", _RGBPixelFormatsVerbose[i], format);

/* Get name of format */
result = (char *)SDL_GetPixelFormatName(format);
SDLTest_AssertPass("Call to SDL_GetPixelFormatName()");
SDLTest_AssertCheck(result != NULL, "Verify result is not NULL");
if (result != NULL) {
SDLTest_AssertCheck(SDL_strlen(result) > 0, "Verify result is non-empty");
SDLTest_AssertCheck(SDL_strcmp(result, _RGBPixelFormatsVerbose[i]) == 0,
"Verify result text; expected: %s, got %s", _RGBPixelFormatsVerbose[i], result);
}
}

/* Non-RGB formats */
for (i = 0; i < _numNonRGBPixelFormats; i++) {
format = _nonRGBPixelFormats[i];
SDLTest_Log("non-RGB Format: %s (%u)", _nonRGBPixelFormatsVerbose[i], format);

/* Get name of format */
result = (char *)SDL_GetPixelFormatName(format);
SDLTest_AssertPass("Call to SDL_GetPixelFormatName()");
SDLTest_AssertCheck(result != NULL, "Verify result is not NULL");
if (result != NULL) {
SDLTest_AssertCheck(SDL_strlen(result) > 0, "Verify result is non-empty");
SDLTest_AssertCheck(SDL_strcmp(result, _nonRGBPixelFormatsVerbose[i]) == 0,
"Verify result text; expected: %s, got %s", _nonRGBPixelFormatsVerbose[i], result);
}
}

/* Negative cases */

/* Invalid Formats */
SDL_ClearError();
SDLTest_AssertPass("Call to SDL_ClearError()");
for (i = 0; i < _numInvalidPixelFormats; i++) {
format = _invalidPixelFormats[i];
result = (char *)SDL_GetPixelFormatName(format);
SDLTest_AssertPass("Call to SDL_GetPixelFormatName(%u)", format);
SDLTest_AssertCheck(result != NULL, "Verify result is not NULL");
if (result != NULL) {
SDLTest_AssertCheck(SDL_strlen(result) > 0,
"Verify result is non-empty; got: %s", result);
SDLTest_AssertCheck(SDL_strcmp(result, _invalidPixelFormatsVerbose[i]) == 0,
"Validate name is UNKNOWN, expected: '%s', got: '%s'", _invalidPixelFormatsVerbose[i], result);
}
error = SDL_GetError();
SDLTest_AssertPass("Call to SDL_GetError()");
SDLTest_AssertCheck(error != NULL && SDL_strlen(error) == 0, "Validate that error message is empty");
}

return TEST_COMPLETED;
}

/**
* @brief Call to SDL_AllocPalette and SDL_FreePalette
*
Expand All @@ -196,7 +315,6 @@ pixels_allocFreePalette(void *arg)
const char *expectedError1 = "Parameter 'ncolors' is invalid";
const char *expectedError2 = "Parameter 'palette' is invalid";
const char *error;
char message[256];
int variation;
int i;
int ncolors;
Expand Down Expand Up @@ -286,7 +404,6 @@ pixels_calcGammaRamp(void *arg)
const char *expectedError1 = "Parameter 'gamma' is invalid";
const char *expectedError2 = "Parameter 'ramp' is invalid";
const char *error;
char message[256];
float gamma;
Uint16 *ramp;
int variation;
Expand All @@ -310,13 +427,13 @@ pixels_calcGammaRamp(void *arg)
case 1:
gamma = 1.0f;
break;
/* gamma = ]0,1[ normal range */
/* gamma = [0.2,0.8] normal range */
case 2:
gamma = 0.01f + 0.98f * SDLTest_RandomUnitFloat();
gamma = 0.2f + 0.8f * SDLTest_RandomUnitFloat();
break;
/* gamma = >1.0 non-standard range */
/* gamma = >1.1 non-standard range */
case 3:
gamma = 0.01f + 0.98f * SDLTest_RandomUnitFloat();
gamma = 1.1f + SDLTest_RandomUnitFloat();
break;
}

Expand All @@ -343,7 +460,6 @@ pixels_calcGammaRamp(void *arg)
break;
}
}


/* Negative cases */
SDL_ClearError();
Expand Down Expand Up @@ -392,9 +508,12 @@ static const SDLTest_TestCaseReference pixelsTest2 =
static const SDLTest_TestCaseReference pixelsTest3 =
{ (SDLTest_TestCaseFp)pixels_calcGammaRamp, "pixels_calcGammaRamp", "Call to SDL_CalculateGammaRamp", TEST_ENABLED };

static const SDLTest_TestCaseReference pixelsTest4 =
{ (SDLTest_TestCaseFp)pixels_getPixelFormatName, "pixels_getPixelFormatName", "Call to SDL_GetPixelFormatName", TEST_ENABLED };

/* Sequence of Pixels test cases */
static const SDLTest_TestCaseReference *pixelsTests[] = {
&pixelsTest1, &pixelsTest2, &pixelsTest3, NULL
&pixelsTest1, &pixelsTest2, &pixelsTest3, &pixelsTest4, NULL
};

/* Pixels test suite (global) */
Expand Down

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