/**

* Original code: automated SDL platform test written by Edgar Simo "bobbens"

* Extended and updated by aschiffler at ferzkopp dot net

*/

#include <stdio.h>

#include "SDL.h"

#include "SDL_test.h"

/* ================= Test Case Implementation ================== */

/* Helper functions */

/**

* @brief Compare sizes of types.

*

* @note Watcom C flags these as Warning 201: "Unreachable code" if you just

* compare them directly, so we push it through a function to keep the

* compiler quiet. --ryan.

*/

static int _compareSizeOfType( size_t sizeoftype, size_t hardcodetype )

{

return sizeoftype != hardcodetype;

}

/* Test case functions */

/**

* @brief Tests type sizes.

*/

int platform_testTypes(void *arg)

{

int ret;

ret = _compareSizeOfType( sizeof(Uint8), 1 );

SDLTest_AssertCheck( ret == 0, "sizeof(Uint8) = %lu, expected 1", sizeof(Uint8) );

ret = _compareSizeOfType( sizeof(Uint16), 2 );

SDLTest_AssertCheck( ret == 0, "sizeof(Uint16) = %lu, expected 2", sizeof(Uint16) );

ret = _compareSizeOfType( sizeof(Uint32), 4 );

SDLTest_AssertCheck( ret == 0, "sizeof(Uint32) = %lu, expected 4", sizeof(Uint32) );

ret = _compareSizeOfType( sizeof(Uint64), 8 );

SDLTest_AssertCheck( ret == 0, "sizeof(Uint64) = %lu, expected 8", sizeof(Uint64) );

return TEST_COMPLETED;

}

/**

* @brief Tests platform endianness and SDL_SwapXY functions.

*/

int platform_testEndianessAndSwap(void *arg)

{

int real_byteorder;

Uint16 value = 0x1234;

Uint16 value16 = 0xCDAB;

Uint16 swapped16 = 0xABCD;

Uint32 value32 = 0xEFBEADDE;

Uint32 swapped32 = 0xDEADBEEF;

Uint64 value64, swapped64;

value64 = 0xEFBEADDE;

value64 <<= 32;

value64 |= 0xCDAB3412;

swapped64 = 0x1234ABCD;

swapped64 <<= 32;

swapped64 |= 0xDEADBEEF;

if ((*((char *) &value) >> 4) == 0x1) {

real_byteorder = SDL_BIG_ENDIAN;

} else {

real_byteorder = SDL_LIL_ENDIAN;

}

/* Test endianness. */

SDLTest_AssertCheck( real_byteorder == SDL_BYTEORDER,

"Machine detected as %s endian, appears to be %s endian.",

(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big",

(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big" );

/* Test 16 swap. */

SDLTest_AssertCheck( SDL_Swap16(value16) == swapped16,

"SDL_Swap16(): 16 bit swapped: 0x%X => 0x%X",

value16, SDL_Swap16(value16) );

/* Test 32 swap. */

SDLTest_AssertCheck( SDL_Swap32(value32) == swapped32,

"SDL_Swap32(): 32 bit swapped: 0x%X => 0x%X",

value32, SDL_Swap32(value32) );

/* Test 64 swap. */

SDLTest_AssertCheck( SDL_Swap64(value64) == swapped64,

#ifdef _MSC_VER

"SDL_Swap64(): 64 bit swapped: 0x%I64X => 0x%I64X",

#else

"SDL_Swap64(): 64 bit swapped: 0x%llX => 0x%llX",

#endif

value64, SDL_Swap64(value64) );

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_GetXYZ() functions

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_GetPlatform

* http://wiki.libsdl.org/moin.cgi/SDL_GetCPUCount

* http://wiki.libsdl.org/moin.cgi/SDL_GetCPUCacheLineSize

* http://wiki.libsdl.org/moin.cgi/SDL_GetRevision

* http://wiki.libsdl.org/moin.cgi/SDL_GetRevisionNumber

*/

int platform_testGetFunctions (void *arg)

{

char *platform;

char *revision;

int ret;

int len;

platform = (char *)SDL_GetPlatform();

SDLTest_AssertPass("SDL_GetPlatform()");

SDLTest_AssertCheck(platform != NULL, "SDL_GetPlatform() != NULL");

if (platform != NULL) {

len = SDL_strlen(platform);

SDLTest_AssertCheck(len > 0,

"SDL_GetPlatform(): expected non-empty platform, was platform: '%s', len: %i",

platform,

len);

}

ret = SDL_GetCPUCount();

SDLTest_AssertPass("SDL_GetCPUCount()");

SDLTest_AssertCheck(ret > 0,

"SDL_GetCPUCount(): expected count > 0, was: %i",

ret);

ret = SDL_GetCPUCacheLineSize();

SDLTest_AssertPass("SDL_GetCPUCacheLineSize()");

SDLTest_AssertCheck(ret >= 0,

"SDL_GetCPUCacheLineSize(): expected size >= 0, was: %i",

ret);

revision = (char *)SDL_GetRevision();

SDLTest_AssertPass("SDL_GetRevision()");

SDLTest_AssertCheck(revision != NULL, "SDL_GetRevision() != NULL");

ret = SDL_GetRevisionNumber();

SDLTest_AssertPass("SDL_GetRevisionNumber()");

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_HasXYZ() functions

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_Has3DNow

* http://wiki.libsdl.org/moin.cgi/SDL_HasAltiVec

* http://wiki.libsdl.org/moin.cgi/SDL_HasMMX

* http://wiki.libsdl.org/moin.cgi/SDL_HasRDTSC

* http://wiki.libsdl.org/moin.cgi/SDL_HasSSE

* http://wiki.libsdl.org/moin.cgi/SDL_HasSSE2

* http://wiki.libsdl.org/moin.cgi/SDL_HasSSE3

* http://wiki.libsdl.org/moin.cgi/SDL_HasSSE41

* http://wiki.libsdl.org/moin.cgi/SDL_HasSSE42

* http://wiki.libsdl.org/moin.cgi/SDL_HasAVX

*/

int platform_testHasFunctions (void *arg)

{

int ret;

/* TODO: independently determine and compare values as well */

ret = SDL_HasRDTSC();

SDLTest_AssertPass("SDL_HasRDTSC()");

ret = SDL_HasAltiVec();

SDLTest_AssertPass("SDL_HasAltiVec()");

ret = SDL_HasMMX();

SDLTest_AssertPass("SDL_HasMMX()");

ret = SDL_Has3DNow();

SDLTest_AssertPass("SDL_Has3DNow()");

ret = SDL_HasSSE();

SDLTest_AssertPass("SDL_HasSSE()");

ret = SDL_HasSSE2();

SDLTest_AssertPass("SDL_HasSSE2()");

ret = SDL_HasSSE3();

SDLTest_AssertPass("SDL_HasSSE3()");

ret = SDL_HasSSE41();

SDLTest_AssertPass("SDL_HasSSE41()");

ret = SDL_HasSSE42();

SDLTest_AssertPass("SDL_HasSSE42()");

ret = SDL_HasAVX();

SDLTest_AssertPass("SDL_HasAVX()");

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_GetVersion

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_GetVersion

*/

int platform_testGetVersion(void *arg)

{

SDL_version linked;

int major = SDL_MAJOR_VERSION;

int minor = SDL_MINOR_VERSION;

SDL_GetVersion(&linked);

SDLTest_AssertCheck( linked.major >= major,

"SDL_GetVersion(): returned major %i (>= %i)",

linked.major,

major);

SDLTest_AssertCheck( linked.minor >= minor,

"SDL_GetVersion(): returned minor %i (>= %i)",

linked.minor,

minor);

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_VERSION macro

*/

int platform_testSDLVersion(void *arg)

{

SDL_version compiled;

int major = SDL_MAJOR_VERSION;

int minor = SDL_MINOR_VERSION;

SDL_VERSION(&compiled);

SDLTest_AssertCheck( compiled.major >= major,

"SDL_VERSION() returned major %i (>= %i)",

compiled.major,

major);

SDLTest_AssertCheck( compiled.minor >= minor,

"SDL_VERSION() returned minor %i (>= %i)",

compiled.minor,

minor);

return TEST_COMPLETED;

}

/* !

* \brief Tests default SDL_Init

*/

int platform_testDefaultInit(void *arg)

{

int ret;

int subsystem;

subsystem = SDL_WasInit(SDL_INIT_EVERYTHING);

SDLTest_AssertCheck( subsystem != 0,

"SDL_WasInit(0): returned %i, expected != 0",

subsystem);

ret = SDL_Init(SDL_WasInit(SDL_INIT_EVERYTHING));

SDLTest_AssertCheck( ret == 0,

"SDL_Init(0): returned %i, expected 0, error: %s",

ret,

SDL_GetError());

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_Get/Set/ClearError

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_GetError

* http://wiki.libsdl.org/moin.cgi/SDL_SetError

* http://wiki.libsdl.org/moin.cgi/SDL_ClearError

*/

int platform_testGetSetClearError(void *arg)

{

int result;

const char *testError = "Testing";

char *lastError;

int len;

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

lastError = (char *)SDL_GetError();

SDLTest_AssertPass("SDL_GetError()");

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == 0,

"SDL_GetError(): no message expected, len: %i", len);

}

result = SDL_SetError("%s", testError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

lastError = (char *)SDL_GetError();

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == SDL_strlen(testError),

"SDL_GetError(): expected message len %i, was len: %i",

SDL_strlen(testError),

len);

SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,

"SDL_GetError(): expected message %s, was message: %s",

testError,

lastError);

}

/* Clean up */

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_SetError with empty input

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_SetError

*/

int platform_testSetErrorEmptyInput(void *arg)

{

int result;

const char *testError = "";

char *lastError;

int len;

result = SDL_SetError("%s", testError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

lastError = (char *)SDL_GetError();

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == SDL_strlen(testError),

"SDL_GetError(): expected message len %i, was len: %i",

SDL_strlen(testError),

len);

SDLTest_AssertCheck(SDL_strcmp(lastError, testError) == 0,

"SDL_GetError(): expected message '%s', was message: '%s'",

testError,

lastError);

}

/* Clean up */

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_SetError with invalid input

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_SetError

*/

int platform_testSetErrorInvalidInput(void *arg)

{

int result;

const char *invalidError = NULL;

const char *probeError = "Testing";

char *lastError;

int len;

/* Reset */

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

/* Check for no-op */

result = SDL_SetError(invalidError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

lastError = (char *)SDL_GetError();

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == 0,

"SDL_GetError(): expected message len 0, was len: %i",

0,

len);

SDLTest_AssertCheck(SDL_strcmp(lastError, "") == 0,

"SDL_GetError(): expected message '', was message: '%s'",

lastError);

}

/* Set */

result = SDL_SetError(probeError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

/* Check for no-op */

result = SDL_SetError(invalidError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

lastError = (char *)SDL_GetError();

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == SDL_strlen(probeError),

"SDL_GetError(): expected message len %i, was len: %i",

SDL_strlen(probeError),

len);

SDLTest_AssertCheck(SDL_strcmp(lastError, probeError) == 0,

"SDL_GetError(): expected message '%s', was message: '%s'",

probeError,

lastError);

}

/* Reset */

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

/* Set and check */

result = SDL_SetError(probeError);

SDLTest_AssertPass("SDL_SetError()");

SDLTest_AssertCheck(result == -1, "SDL_SetError: expected -1, got: %i", result);

lastError = (char *)SDL_GetError();

SDLTest_AssertCheck(lastError != NULL,

"SDL_GetError() != NULL");

if (lastError != NULL)

{

len = SDL_strlen(lastError);

SDLTest_AssertCheck(len == SDL_strlen(probeError),

"SDL_GetError(): expected message len %i, was len: %i",

SDL_strlen(probeError),

len);

SDLTest_AssertCheck(SDL_strcmp(lastError, probeError) == 0,

"SDL_GetError(): expected message '%s', was message: '%s'",

probeError,

lastError);

}

/* Clean up */

SDL_ClearError();

SDLTest_AssertPass("SDL_ClearError()");

return TEST_COMPLETED;

}

/* !

* \brief Tests SDL_GetPowerInfo

* \sa

* http://wiki.libsdl.org/moin.cgi/SDL_GetPowerInfo

*/

int platform_testGetPowerInfo(void *arg)

{

SDL_PowerState state;

SDL_PowerState stateAgain;

int secs;

int secsAgain;

int pct;

int pctAgain;

state = SDL_GetPowerInfo(&secs, &pct);

SDLTest_AssertPass("SDL_GetPowerInfo()");

SDLTest_AssertCheck(

state==SDL_POWERSTATE_UNKNOWN ||

state==SDL_POWERSTATE_ON_BATTERY ||

state==SDL_POWERSTATE_NO_BATTERY ||

state==SDL_POWERSTATE_CHARGING ||

state==SDL_POWERSTATE_CHARGED,

"SDL_GetPowerInfo(): state %i is one of the expected values",

(int)state);

if (state==SDL_POWERSTATE_ON_BATTERY)

{

SDLTest_AssertCheck(

secs >= 0,

"SDL_GetPowerInfo(): on battery, secs >= 0, was: %i",

secs);

SDLTest_AssertCheck(

(pct >= 0) && (pct <= 100),

"SDL_GetPowerInfo(): on battery, pct=[0,100], was: %i",

pct);

}

if (state==SDL_POWERSTATE_UNKNOWN ||

state==SDL_POWERSTATE_NO_BATTERY)

{

SDLTest_AssertCheck(

secs == -1,

"SDL_GetPowerInfo(): no battery, secs == -1, was: %i",

secs);

SDLTest_AssertCheck(

pct == -1,

"SDL_GetPowerInfo(): no battery, pct == -1, was: %i",

pct);

}

/* Partial return value variations */

stateAgain = SDL_GetPowerInfo(&secsAgain, NULL);

SDLTest_AssertCheck(

state==stateAgain,

"State %i returned when only 'secs' requested",

stateAgain);

SDLTest_AssertCheck(

secs==secsAgain,

"Value %i matches when only 'secs' requested",

secsAgain);

stateAgain = SDL_GetPowerInfo(NULL, &pctAgain);

SDLTest_AssertCheck(

state==stateAgain,

"State %i returned when only 'pct' requested",

stateAgain);

SDLTest_AssertCheck(

pct==pctAgain,

"Value %i matches when only 'pct' requested",

pctAgain);

stateAgain = SDL_GetPowerInfo(NULL, NULL);

SDLTest_AssertCheck(

state==stateAgain,

"State %i returned when no value requested",

stateAgain);

return TEST_COMPLETED;

}

/* ================= Test References ================== */

/* Platform test cases */

static const SDLTest_TestCaseReference platformTest1 =

{ (SDLTest_TestCaseFp)platform_testTypes, "platform_testTypes", "Tests predefined types", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest2 =

{ (SDLTest_TestCaseFp)platform_testEndianessAndSwap, "platform_testEndianessAndSwap", "Tests endianess and swap functions", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest3 =

{ (SDLTest_TestCaseFp)platform_testGetFunctions, "platform_testGetFunctions", "Tests various SDL_GetXYZ functions", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest4 =

{ (SDLTest_TestCaseFp)platform_testHasFunctions, "platform_testHasFunctions", "Tests various SDL_HasXYZ functions", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest5 =

{ (SDLTest_TestCaseFp)platform_testGetVersion, "platform_testGetVersion", "Tests SDL_GetVersion function", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest6 =

{ (SDLTest_TestCaseFp)platform_testSDLVersion, "platform_testSDLVersion", "Tests SDL_VERSION macro", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest7 =

{ (SDLTest_TestCaseFp)platform_testDefaultInit, "platform_testDefaultInit", "Tests default SDL_Init", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest8 =

{ (SDLTest_TestCaseFp)platform_testGetSetClearError, "platform_testGetSetClearError", "Tests SDL_Get/Set/ClearError", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest9 =

{ (SDLTest_TestCaseFp)platform_testSetErrorEmptyInput, "platform_testSetErrorEmptyInput", "Tests SDL_SetError with empty input", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest10 =

{ (SDLTest_TestCaseFp)platform_testSetErrorInvalidInput, "platform_testSetErrorInvalidInput", "Tests SDL_SetError with invalid input", TEST_ENABLED};

static const SDLTest_TestCaseReference platformTest11 =

{ (SDLTest_TestCaseFp)platform_testGetPowerInfo, "platform_testGetPowerInfo", "Tests SDL_GetPowerInfo function", TEST_ENABLED };

/* Sequence of Platform test cases */

static const SDLTest_TestCaseReference *platformTests[] = {

&platformTest1,

&platformTest2,

&platformTest3,

&platformTest4,

&platformTest5,

&platformTest6,

&platformTest7,

&platformTest8,

&platformTest9,

&platformTest10,

&platformTest11,

NULL

};

/* Platform test suite (global) */

SDLTest_TestSuiteReference platformTestSuite = {

"Platform",

NULL,

platformTests,

NULL

};