static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int x = 123;
			int y = 100;
			int expected__ = 223;

			return verifyCase(casenum__, expected__, new ReversedSum().getReversedSum(x, y));
		}
		case 1: {
			int x = 111;
			int y = 111;
			int expected__ = 222;

			return verifyCase(casenum__, expected__, new ReversedSum().getReversedSum(x, y));
		}
		case 2: {
			int x = 5;
			int y = 5;
			int expected__ = 1;

			return verifyCase(casenum__, expected__, new ReversedSum().getReversedSum(x, y));
		}
		case 3: {
			int x = 1000;
			int y = 1;
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new ReversedSum().getReversedSum(x, y));
		}
		case 4: {
			int x = 456;
			int y = 789;
			int expected__ = 1461;

			return verifyCase(casenum__, expected__, new ReversedSum().getReversedSum(x, y));
		}

		// custom cases

		/*
		 * case 5: {
		 * int x = ;
		 * int y = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * ReversedSum().getReversedSum(x, y));
		 * }
		 */
		/*
		 * case 6: {
		 * int x = ;
		 * int y = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * ReversedSum().getReversedSum(x, y));
		 * }
		 */
		/*
		 * case 7: {
		 * int x = ;
		 * int y = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * ReversedSum().getReversedSum(x, y));
		 * }
		 */
		default:
			return -1;
		}
	}