static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int[] seq = { 1, 4, 4, 2, 6, 3 };
			int expected__ = 4;

			return verifyCase(casenum__, expected__,
					new LISNumberDivTwo().calculate(seq));
		}
		case 1: {
			int[] seq = { 5, 8, 9, 12, 16, 32, 50 };
			int expected__ = 1;

			return verifyCase(casenum__, expected__,
					new LISNumberDivTwo().calculate(seq));
		}
		case 2: {
			int[] seq = { 1, 1, 9, 9, 2, 2, 3, 3 };
			int expected__ = 6;

			return verifyCase(casenum__, expected__,
					new LISNumberDivTwo().calculate(seq));
		}
		case 3: {
			int[] seq = { 50, 40, 30, 20, 10 };
			int expected__ = 5;

			return verifyCase(casenum__, expected__,
					new LISNumberDivTwo().calculate(seq));
		}
		case 4: {
			int[] seq = { 42 };
			int expected__ = 1;

			return verifyCase(casenum__, expected__,
					new LISNumberDivTwo().calculate(seq));
		}

		// custom cases

		/*
		 * case 5: { int[] seq = ; int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * LISNumberDivTwo().calculate(seq)); }
		 */
		/*
		 * case 6: { int[] seq = ; int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * LISNumberDivTwo().calculate(seq)); }
		 */
		/*
		 * case 7: { int[] seq = ; int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * LISNumberDivTwo().calculate(seq)); }
		 */
		default:
			return -1;
		}
	}