static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int N = 2;
			int M = 2;
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new TheSquareRootDilemma().countPairs(N, M));
		}
		case 1: {
			int N = 10;
			int M = 1;
			int expected__ = 3;

			return verifyCase(casenum__, expected__, new TheSquareRootDilemma().countPairs(N, M));
		}
		case 2: {
			int N = 3;
			int M = 8;
			int expected__ = 5;

			return verifyCase(casenum__, expected__, new TheSquareRootDilemma().countPairs(N, M));
		}
		case 3: {
			int N = 100;
			int M = 100;
			int expected__ = 310;

			return verifyCase(casenum__, expected__, new TheSquareRootDilemma().countPairs(N, M));
		}

		// custom cases

		/*
		 * case 4: {
		 * int N = ;
		 * int M = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * TheSquareRootDilemma().countPairs(N, M));
		 * }
		 */
		/*
		 * case 5: {
		 * int N = ;
		 * int M = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * TheSquareRootDilemma().countPairs(N, M));
		 * }
		 */
		/*
		 * case 6: {
		 * int N = ;
		 * int M = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * TheSquareRootDilemma().countPairs(N, M));
		 * }
		 */
		default:
			return -1;
		}
	}