static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			String spell = "AZ";
			String expected__ = "ZA";

			return verifyCase(casenum__, expected__, new MagicSpell().fixTheSpell(spell));
		}
		case 1: {
			String spell = "ABACADA";
			String expected__ = "ABACADA";

			return verifyCase(casenum__, expected__, new MagicSpell().fixTheSpell(spell));
		}
		case 2: {
			String spell = "AABZCADZA";
			String expected__ = "AZBACZDAA";

			return verifyCase(casenum__, expected__, new MagicSpell().fixTheSpell(spell));
		}
		case 3: {
			String spell = "AZBASGHNAZAHBNVZZGGGAGGZAZ";
			String expected__ = "ZABZSGHNAZZHBNVAZGGGAGGAZA";

			return verifyCase(casenum__, expected__, new MagicSpell().fixTheSpell(spell));
		}

		// custom cases

		/*
		 * case 4: {
		 * String spell = ;
		 * String expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * MagicSpell().fixTheSpell(spell));
		 * }
		 */
		/*
		 * case 5: {
		 * String spell = ;
		 * String expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * MagicSpell().fixTheSpell(spell));
		 * }
		 */
		/*
		 * case 6: {
		 * String spell = ;
		 * String expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * MagicSpell().fixTheSpell(spell));
		 * }
		 */
		default:
			return -1;
		}
	}