Function stdlib_getsetenv

deps/SDL2/test/testautomation_stdlib.c:125–254

* @brief Call to SDL_getenv and SDL_setenv */

 * @brief Call to SDL_getenv and SDL_setenv
 */
int
stdlib_getsetenv(void *arg)
{
  const int nameLen = 16;
  char name[17];
  int counter;
  int result;
  char * value1;
  char * value2;
  char * expected;
  int overwrite;
  char * text;

  /* Create a random name. This tests SDL_getenv, since we need to */
  /* make sure the variable is not set yet (it shouldn't). */
  do {
    for(counter = 0; counter < nameLen; counter++) {
      name[counter] = (char)SDLTest_RandomIntegerInRange(65, 90);
    }
    name[nameLen] = '\0';
    
    text = SDL_getenv(name);
    SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
    if (text != NULL) {
      SDLTest_Log("Expected: NULL, Got: '%s' (%i)", text, (int) SDL_strlen(text));
    }
  } while (text != NULL);
   
  /* Create random values to set */                    
  value1 = SDLTest_RandomAsciiStringOfSize(10);
  value2 = SDLTest_RandomAsciiStringOfSize(10);

  /* Set value 1 without overwrite */
  overwrite = 0;
  expected = value1;
  result = SDL_setenv(name, value1, overwrite);
  SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value1, overwrite);
  SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);

  /* Check value */
  text = SDL_getenv(name);
  SDLTest_AssertPass("Call to SDL_getenv('%s')", name);
  SDLTest_AssertCheck(text != NULL, "Verify returned text is not NULL");
  if (text != NULL) {
    SDLTest_AssertCheck(
      SDL_strcmp(text, expected) == 0, 
      "Verify returned text, expected: %s, got: %s",
      expected,
      text);
  }
  
  /* Set value 2 with overwrite */
  overwrite = 1;
  expected = value2;    
  result = SDL_setenv(name, value2, overwrite);
  SDLTest_AssertPass("Call to SDL_setenv('%s','%s', %i)", name, value2, overwrite);
  SDLTest_AssertCheck(result == 0, "Check result, expected: 0, got: %i", result);