/**
 * Keyboard test suite
 */

#include <stdio.h>
#include <limits.h>

#include "SDL_config.h"
#include "SDL.h"
#include "SDL_test.h"

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

/* Test case functions */

/**
 * @brief Check call to SDL_GetKeyboardState with and without numkeys reference.
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyboardState
 */
int
keyboard_getKeyboardState(void *arg)
{
   int numkeys;
   Uint8 *state;

   /* Case where numkeys pointer is NULL */
   state = (Uint8 *)SDL_GetKeyboardState(NULL);
   SDLTest_AssertPass("Call to SDL_GetKeyboardState(NULL)");
   SDLTest_AssertCheck(state != NULL, "Validate that return value from SDL_GetKeyboardState is not NULL");

   /* Case where numkeys pointer is not NULL */
   numkeys = -1;
   state = (Uint8 *)SDL_GetKeyboardState(&numkeys);
   SDLTest_AssertPass("Call to SDL_GetKeyboardState(&numkeys)");
   SDLTest_AssertCheck(state != NULL, "Validate that return value from SDL_GetKeyboardState is not NULL");
   SDLTest_AssertCheck(numkeys >= 0, "Validate that value of numkeys is >= 0, got: %i", numkeys);

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetKeyboardFocus
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyboardFocus
 */
int
keyboard_getKeyboardFocus(void *arg)
{
   /* Call, but ignore return value */
   SDL_GetKeyboardFocus();
   SDLTest_AssertPass("Call to SDL_GetKeyboardFocus()");

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetKeyFromName for known, unknown and invalid name.
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyFromName
 */
int
keyboard_getKeyFromName(void *arg)
{
   SDL_Keycode result;

   /* Case where Key is known, 1 character input */
   result = SDL_GetKeyFromName("A");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(known/single)");
   SDLTest_AssertCheck(result == SDLK_a, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_a, result);

   /* Case where Key is known, 2 character input */
   result = SDL_GetKeyFromName("F1");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(known/double)");
   SDLTest_AssertCheck(result == SDLK_F1, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_F1, result);

   /* Case where Key is known, 3 character input */
   result = SDL_GetKeyFromName("End");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(known/triple)");
   SDLTest_AssertCheck(result == SDLK_END, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_END, result);

   /* Case where Key is known, 4 character input */
   result = SDL_GetKeyFromName("Find");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(known/quad)");
   SDLTest_AssertCheck(result == SDLK_FIND, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_FIND, result);

   /* Case where Key is known, multiple character input */
   result = SDL_GetKeyFromName("AudioStop");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(known/multi)");
   SDLTest_AssertCheck(result == SDLK_AUDIOSTOP, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_AUDIOSTOP, result);

   /* Case where Key is unknown */
   result = SDL_GetKeyFromName("NotThere");
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(unknown)");
   SDLTest_AssertCheck(result == SDLK_UNKNOWN, "Verify result from call is UNKNOWN, expected: %i, got: %" SDL_PRIs32, SDLK_UNKNOWN, result);

   /* Case where input is NULL/invalid */
   result = SDL_GetKeyFromName(NULL);
   SDLTest_AssertPass("Call to SDL_GetKeyFromName(NULL)");
   SDLTest_AssertCheck(result == SDLK_UNKNOWN, "Verify result from call is UNKNOWN, expected: %i, got: %" SDL_PRIs32, SDLK_UNKNOWN, result);

   return TEST_COMPLETED;
}

/*
 * Local helper to check for the invalid scancode error message
 */
void
_checkInvalidScancodeError()
{
   const char *expectedError = "Parameter 'scancode' is invalid";
   const char *error;
   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);
      SDL_ClearError();
      SDLTest_AssertPass("Call to SDL_ClearError()");
   }
}

/**
 * @brief Check call to SDL_GetKeyFromScancode
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyFromScancode
 */
int
keyboard_getKeyFromScancode(void *arg)
{
   SDL_Keycode result;

   /* Case where input is valid */
   result = SDL_GetKeyFromScancode(SDL_SCANCODE_A);
   SDLTest_AssertPass("Call to SDL_GetKeyFromScancode(valid)");
   SDLTest_AssertCheck(result == SDLK_a, "Verify result from call, expected: %i, got: %" SDL_PRIs32, SDLK_a, result);

   /* Case where input is zero */
   result = SDL_GetKeyFromScancode(0);
   SDLTest_AssertPass("Call to SDL_GetKeyFromScancode(0)");
   SDLTest_AssertCheck(result == SDLK_UNKNOWN, "Verify result from call is UNKNOWN, expected: %i, got: %" SDL_PRIs32, SDLK_UNKNOWN, result);

   /* Clear error message */
   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");

   /* Case where input is invalid (too small) */
   result = SDL_GetKeyFromScancode(-999);
   SDLTest_AssertPass("Call to SDL_GetKeyFromScancode(-999)");
   SDLTest_AssertCheck(result == SDLK_UNKNOWN, "Verify result from call is UNKNOWN, expected: %i, got: %" SDL_PRIs32, SDLK_UNKNOWN, result);
   _checkInvalidScancodeError();

   /* Case where input is invalid (too big) */
   result = SDL_GetKeyFromScancode(999);
   SDLTest_AssertPass("Call to SDL_GetKeyFromScancode(999)");
   SDLTest_AssertCheck(result == SDLK_UNKNOWN, "Verify result from call is UNKNOWN, expected: %i, got: %" SDL_PRIs32, SDLK_UNKNOWN, result);
   _checkInvalidScancodeError();

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetKeyName
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyName
 */
int
keyboard_getKeyName(void *arg)
{
   const char *result;
   const char *expected;

   /* Case where key has a 1 character name */
   expected = "3";
   result = (char *)SDL_GetKeyName(SDLK_3);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   /* Case where key has a 2 character name */
   expected = "F1";
   result = (char *)SDL_GetKeyName(SDLK_F1);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   /* Case where key has a 3 character name */
   expected = "Cut";
   result = (char *)SDL_GetKeyName(SDLK_CUT);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   /* Case where key has a 4 character name */
   expected = "Down";
   result = (char *)SDL_GetKeyName(SDLK_DOWN);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   /* Case where key has a N character name */
   expected = "BrightnessUp";
   result = (char *)SDL_GetKeyName(SDLK_BRIGHTNESSUP);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   /* Case where key has a N character name with space */
   expected = "Keypad MemStore";
   result = (char *)SDL_GetKeyName(SDLK_KP_MEMSTORE);
   SDLTest_AssertPass("Call to SDL_GetKeyName()");
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: %s, got: %s", expected, result);

   return TEST_COMPLETED;
}

/**
 * @brief SDL_GetScancodeName negative cases
 *
 * @sa http://wiki.libsdl.org/SDL_GetScancodeName
 */
int
keyboard_getScancodeNameNegative(void *arg)
{
   SDL_Scancode scancode;
   const char *result;
   const char *expected = "";

   /* Clear error message */
   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");

   /* Out-of-bounds scancode */
   scancode = (SDL_Scancode)SDL_NUM_SCANCODES;
   result = (char *)SDL_GetScancodeName(scancode);
   SDLTest_AssertPass("Call to SDL_GetScancodeName(%d/large)", scancode);
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: '%s', got: '%s'", expected, result);
   _checkInvalidScancodeError();

   return TEST_COMPLETED;
}

/**
 * @brief SDL_GetKeyName negative cases
 *
 * @sa http://wiki.libsdl.org/SDL_GetKeyName
 */
int
keyboard_getKeyNameNegative(void *arg)
{
   SDL_Keycode keycode;
   const char *result;
   const char *expected = "";

   /* Unknown keycode */
   keycode = SDLK_UNKNOWN;
   result = (char *)SDL_GetKeyName(keycode);
   SDLTest_AssertPass("Call to SDL_GetKeyName(%" SDL_PRIs32 "/unknown)", keycode);
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: '%s', got: '%s'", expected, result);

   /* Clear error message */
   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");

   /* Negative keycode */
   keycode = (SDL_Keycode)SDLTest_RandomIntegerInRange(-255, -1);
   result = (char *)SDL_GetKeyName(keycode);
   SDLTest_AssertPass("Call to SDL_GetKeyName(%" SDL_PRIs32 "/negative)", keycode);
   SDLTest_AssertCheck(result != NULL, "Verify result from call is not NULL");
   SDLTest_AssertCheck(SDL_strcmp(result, expected) == 0, "Verify result from call is valid, expected: '%s', got: '%s'", expected, result);
   _checkInvalidScancodeError();

   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetModState and SDL_SetModState
 *
 * @sa http://wiki.libsdl.org/SDL_GetModState
 * @sa http://wiki.libsdl.org/SDL_SetModState
 */
int
keyboard_getSetModState(void *arg)
{
   SDL_Keymod result;
   SDL_Keymod currentState;
   SDL_Keymod newState;
   SDL_Keymod allStates =
    KMOD_NONE |
    KMOD_LSHIFT |
    KMOD_RSHIFT |
    KMOD_LCTRL |
    KMOD_RCTRL |
    KMOD_LALT |
    KMOD_RALT |
    KMOD_LGUI |
    KMOD_RGUI |
    KMOD_NUM |
    KMOD_CAPS |
    KMOD_MODE |
    KMOD_SCROLL;

   /* Get state, cache for later reset */
   result = SDL_GetModState();
   SDLTest_AssertPass("Call to SDL_GetModState()");
   SDLTest_AssertCheck(/*result >= 0 &&*/ result <= allStates, "Verify result from call is valid, expected: 0 <= result <= %i, got: %i", allStates, result);
   currentState = result;

   /* Set random state */
   newState = SDLTest_RandomIntegerInRange(0, allStates);
   SDL_SetModState(newState);
   SDLTest_AssertPass("Call to SDL_SetModState(%i)", newState);
   result = SDL_GetModState();
   SDLTest_AssertPass("Call to SDL_GetModState()");
   SDLTest_AssertCheck(result == newState, "Verify result from call is valid, expected: %i, got: %i", newState, result);

   /* Set zero state */
   SDL_SetModState(0);
   SDLTest_AssertPass("Call to SDL_SetModState(0)");
   result = SDL_GetModState();
   SDLTest_AssertPass("Call to SDL_GetModState()");
   SDLTest_AssertCheck(result == 0, "Verify result from call is valid, expected: 0, got: %i", result);

   /* Revert back to cached current state if needed */
   if (currentState != 0) {
     SDL_SetModState(currentState);
     SDLTest_AssertPass("Call to SDL_SetModState(%i)", currentState);
     result = SDL_GetModState();
     SDLTest_AssertPass("Call to SDL_GetModState()");
     SDLTest_AssertCheck(result == currentState, "Verify result from call is valid, expected: %i, got: %i", currentState, result);
   }

   return TEST_COMPLETED;
}


/**
 * @brief Check call to SDL_StartTextInput and SDL_StopTextInput
 *
 * @sa http://wiki.libsdl.org/SDL_StartTextInput
 * @sa http://wiki.libsdl.org/SDL_StopTextInput
 */
int
keyboard_startStopTextInput(void *arg)
{
   /* Start-Stop */
   SDL_StartTextInput();
   SDLTest_AssertPass("Call to SDL_StartTextInput()");
   SDL_StopTextInput();
   SDLTest_AssertPass("Call to SDL_StopTextInput()");

   /* Stop-Start */
   SDL_StartTextInput();
   SDLTest_AssertPass("Call to SDL_StartTextInput()");

   /* Start-Start */
   SDL_StartTextInput();
   SDLTest_AssertPass("Call to SDL_StartTextInput()");

   /* Stop-Stop */
   SDL_StopTextInput();
   SDLTest_AssertPass("Call to SDL_StopTextInput()");
   SDL_StopTextInput();
   SDLTest_AssertPass("Call to SDL_StopTextInput()");

   return TEST_COMPLETED;
}

/* Internal function to test SDL_SetTextInputRect */
void _testSetTextInputRect(SDL_Rect refRect)
{
   SDL_Rect testRect;

   testRect = refRect;
   SDL_SetTextInputRect(&testRect);
   SDLTest_AssertPass("Call to SDL_SetTextInputRect with refRect(x:%i,y:%i,w:%i,h:%i)", refRect.x, refRect.y, refRect.w, refRect.h);
   SDLTest_AssertCheck(
      (refRect.x == testRect.x) && (refRect.y == testRect.y) && (refRect.w == testRect.w) && (refRect.h == testRect.h),
      "Check that input data was not modified, expected: x:%i,y:%i,w:%i,h:%i, got: x:%i,y:%i,w:%i,h:%i",
      refRect.x, refRect.y, refRect.w, refRect.h,
      testRect.x, testRect.y, testRect.w, testRect.h);
}

/**
 * @brief Check call to SDL_SetTextInputRect
 *
 * @sa http://wiki.libsdl.org/SDL_SetTextInputRect
 */
int
keyboard_setTextInputRect(void *arg)
{
   SDL_Rect refRect;

   /* Normal visible refRect, origin inside */
   refRect.x = SDLTest_RandomIntegerInRange(1, 50);
   refRect.y = SDLTest_RandomIntegerInRange(1, 50);
   refRect.w = SDLTest_RandomIntegerInRange(10, 50);
   refRect.h = SDLTest_RandomIntegerInRange(10, 50);
   _testSetTextInputRect(refRect);

   /* Normal visible refRect, origin 0,0 */
   refRect.x = 0;
   refRect.y = 0;
   refRect.w = SDLTest_RandomIntegerInRange(10, 50);
   refRect.h = SDLTest_RandomIntegerInRange(10, 50);
   _testSetTextInputRect(refRect);

   /* 1Pixel refRect */
   refRect.x = SDLTest_RandomIntegerInRange(10, 50);
   refRect.y = SDLTest_RandomIntegerInRange(10, 50);
   refRect.w = 1;
   refRect.h = 1;
   _testSetTextInputRect(refRect);

   /* 0pixel refRect */
   refRect.x = 1;
   refRect.y = 1;
   refRect.w = 1;
   refRect.h = 0;
   _testSetTextInputRect(refRect);

   /* 0pixel refRect */
   refRect.x = 1;
   refRect.y = 1;
   refRect.w = 0;
   refRect.h = 1;
   _testSetTextInputRect(refRect);

   /* 0pixel refRect */
   refRect.x = 1;
   refRect.y = 1;
   refRect.w = 0;
   refRect.h = 0;
   _testSetTextInputRect(refRect);

   /* 0pixel refRect */
   refRect.x = 0;
   refRect.y = 0;
   refRect.w = 0;
   refRect.h = 0;
   _testSetTextInputRect(refRect);

   /* negative refRect */
   refRect.x = SDLTest_RandomIntegerInRange(-200, -100);
   refRect.y = SDLTest_RandomIntegerInRange(-200, -100);
   refRect.w = 50;
   refRect.h = 50;
   _testSetTextInputRect(refRect);

   /* oversized refRect */
   refRect.x = SDLTest_RandomIntegerInRange(1, 50);
   refRect.y = SDLTest_RandomIntegerInRange(1, 50);
   refRect.w = 5000;
   refRect.h = 5000;
   _testSetTextInputRect(refRect);

   /* NULL refRect */
   SDL_SetTextInputRect(NULL);
   SDLTest_AssertPass("Call to SDL_SetTextInputRect(NULL)");

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_SetTextInputRect with invalid data
 *
 * @sa http://wiki.libsdl.org/SDL_SetTextInputRect
 */
int
keyboard_setTextInputRectNegative(void *arg)
{
   /* Some platforms set also an error message; prepare for checking it */
#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_COCOA
   const char *expectedError = "Parameter 'rect' is invalid";
   const char *error;

   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");
#endif

   /* NULL refRect */
   SDL_SetTextInputRect(NULL);
   SDLTest_AssertPass("Call to SDL_SetTextInputRect(NULL)");

   /* Some platforms set also an error message; so check it */
#if SDL_VIDEO_DRIVER_WINDOWS || SDL_VIDEO_DRIVER_ANDROID || SDL_VIDEO_DRIVER_COCOA
   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);
   }

   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");
#endif

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetScancodeFromKey
 *
 * @sa http://wiki.libsdl.org/SDL_GetScancodeFromKey
 * @sa http://wiki.libsdl.org/SDL_Keycode
 */
int
keyboard_getScancodeFromKey(void *arg)
{
   SDL_Scancode scancode;

   /* Regular key */
   scancode = SDL_GetScancodeFromKey(SDLK_4);
   SDLTest_AssertPass("Call to SDL_GetScancodeFromKey(SDLK_4)");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_4, "Validate return value from SDL_GetScancodeFromKey, expected: %i, got: %i", SDL_SCANCODE_4, scancode);

   /* Virtual key */
   scancode = SDL_GetScancodeFromKey(SDLK_PLUS);
   SDLTest_AssertPass("Call to SDL_GetScancodeFromKey(SDLK_PLUS)");
   SDLTest_AssertCheck(scancode == 0, "Validate return value from SDL_GetScancodeFromKey, expected: 0, got: %i", scancode);

   return TEST_COMPLETED;
}

/**
 * @brief Check call to SDL_GetScancodeFromName
 *
 * @sa http://wiki.libsdl.org/SDL_GetScancodeFromName
 * @sa http://wiki.libsdl.org/SDL_Keycode
 */
int
keyboard_getScancodeFromName(void *arg)
{
   SDL_Scancode scancode;

   /* Regular key, 1 character, first name in list */
   scancode = SDL_GetScancodeFromName("A");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('A')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_A, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_A, scancode);

   /* Regular key, 1 character */
   scancode = SDL_GetScancodeFromName("4");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('4')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_4, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_4, scancode);

   /* Regular key, 2 characters */
   scancode = SDL_GetScancodeFromName("F1");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('F1')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_F1, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_F1, scancode);

   /* Regular key, 3 characters */
   scancode = SDL_GetScancodeFromName("End");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('End')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_END, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_END, scancode);

   /* Regular key, 4 characters */
   scancode = SDL_GetScancodeFromName("Find");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('Find')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_FIND, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_FIND, scancode);

   /* Regular key, several characters */
   scancode = SDL_GetScancodeFromName("Backspace");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('Backspace')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_BACKSPACE, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_BACKSPACE, scancode);

   /* Regular key, several characters with space */
   scancode = SDL_GetScancodeFromName("Keypad Enter");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('Keypad Enter')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_KP_ENTER, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_KP_ENTER, scancode);

   /* Regular key, last name in list */
   scancode = SDL_GetScancodeFromName("Sleep");
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('Sleep')");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_SLEEP, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_SLEEP, scancode);

   return TEST_COMPLETED;
}

/*
 * Local helper to check for the invalid scancode error message
 */
void
_checkInvalidNameError()
{
   const char *expectedError = "Parameter 'name' is invalid";
   const char *error;
   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);
      SDL_ClearError();
      SDLTest_AssertPass("Call to SDL_ClearError()");
   }
}

/**
 * @brief Check call to SDL_GetScancodeFromName with invalid data
 *
 * @sa http://wiki.libsdl.org/SDL_GetScancodeFromName
 * @sa http://wiki.libsdl.org/SDL_Keycode
 */
int
keyboard_getScancodeFromNameNegative(void *arg)
{
   const char *name;
   SDL_Scancode scancode;

   /* Clear error message */
   SDL_ClearError();
   SDLTest_AssertPass("Call to SDL_ClearError()");

   /* Random string input */
   name = SDLTest_RandomAsciiStringOfSize(32);
   SDLTest_Assert(name != NULL, "Check that random name is not NULL");
   if (name == NULL) {
      return TEST_ABORTED;
   }
   scancode = SDL_GetScancodeFromName(name);
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName('%s')", name);
   SDL_free((void *)name);
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_UNKNOWN, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_UNKNOWN, scancode);
   _checkInvalidNameError();

   /* Zero length string input */
   name = "";
   scancode = SDL_GetScancodeFromName((const char *)name);
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName(NULL)");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_UNKNOWN, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_UNKNOWN, scancode);
   _checkInvalidNameError();

   /* NULL input */
   name = NULL;
   scancode = SDL_GetScancodeFromName((const char *)name);
   SDLTest_AssertPass("Call to SDL_GetScancodeFromName(NULL)");
   SDLTest_AssertCheck(scancode == SDL_SCANCODE_UNKNOWN, "Validate return value from SDL_GetScancodeFromName, expected: %i, got: %i", SDL_SCANCODE_UNKNOWN, scancode);
   _checkInvalidNameError();

   return TEST_COMPLETED;
}


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

/* Keyboard test cases */
static const SDLTest_TestCaseReference keyboardTest1 =
        { (SDLTest_TestCaseFp)keyboard_getKeyboardState, "keyboard_getKeyboardState", "Check call to SDL_GetKeyboardState with and without numkeys reference", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest2 =
        { (SDLTest_TestCaseFp)keyboard_getKeyboardFocus, "keyboard_getKeyboardFocus", "Check call to SDL_GetKeyboardFocus", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest3 =
        { (SDLTest_TestCaseFp)keyboard_getKeyFromName, "keyboard_getKeyFromName", "Check call to SDL_GetKeyFromName for known, unknown and invalid name", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest4 =
        { (SDLTest_TestCaseFp)keyboard_getKeyFromScancode, "keyboard_getKeyFromScancode", "Check call to SDL_GetKeyFromScancode", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest5 =
        { (SDLTest_TestCaseFp)keyboard_getKeyName, "keyboard_getKeyName", "Check call to SDL_GetKeyName", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest6 =
        { (SDLTest_TestCaseFp)keyboard_getSetModState, "keyboard_getSetModState", "Check call to SDL_GetModState and SDL_SetModState", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest7 =
        { (SDLTest_TestCaseFp)keyboard_startStopTextInput, "keyboard_startStopTextInput", "Check call to SDL_StartTextInput and SDL_StopTextInput", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest8 =
        { (SDLTest_TestCaseFp)keyboard_setTextInputRect, "keyboard_setTextInputRect", "Check call to SDL_SetTextInputRect", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest9 =
        { (SDLTest_TestCaseFp)keyboard_setTextInputRectNegative, "keyboard_setTextInputRectNegative", "Check call to SDL_SetTextInputRect with invalid data", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest10 =
        { (SDLTest_TestCaseFp)keyboard_getScancodeFromKey, "keyboard_getScancodeFromKey", "Check call to SDL_GetScancodeFromKey", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest11 =
        { (SDLTest_TestCaseFp)keyboard_getScancodeFromName, "keyboard_getScancodeFromName", "Check call to SDL_GetScancodeFromName", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest12 =
        { (SDLTest_TestCaseFp)keyboard_getScancodeFromNameNegative, "keyboard_getScancodeFromNameNegative", "Check call to SDL_GetScancodeFromName with invalid data", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest13 =
        { (SDLTest_TestCaseFp)keyboard_getKeyNameNegative, "keyboard_getKeyNameNegative", "Check call to SDL_GetKeyName with invalid data", TEST_ENABLED };

static const SDLTest_TestCaseReference keyboardTest14 =
        { (SDLTest_TestCaseFp)keyboard_getScancodeNameNegative, "keyboard_getScancodeNameNegative", "Check call to SDL_GetScancodeName with invalid data", TEST_ENABLED };

/* Sequence of Keyboard test cases */
static const SDLTest_TestCaseReference *keyboardTests[] =  {
    &keyboardTest1, &keyboardTest2, &keyboardTest3, &keyboardTest4, &keyboardTest5, &keyboardTest6,
    &keyboardTest7, &keyboardTest8, &keyboardTest9, &keyboardTest10, &keyboardTest11, &keyboardTest12,
    &keyboardTest13, &keyboardTest14, NULL
};

/* Keyboard test suite (global) */
SDLTest_TestSuiteReference keyboardTestSuite = {
    "Keyboard",
    NULL,
    keyboardTests,
    NULL
};