static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			int x = 7;
			int y = 8;
			int val = 16;
			int expected__ = 9;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}
		case 1: {
			int x = 3;
			int y = 5;
			int val = 7;
			int expected__ = 5;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}
		case 2: {
			int x = 99;
			int y = 100;
			int val = 98010000;
			int expected__ = 6;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}
		case 3: {
			int x = -99;
			int y = 42;
			int val = -1764;
			int expected__ = 2;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}
		case 4: {
			int x = 100;
			int y = -100;
			int val = -100000000;
			int expected__ = 0;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}
		case 5: {
			int x = 1;
			int y = 2;
			int val = 5;
			int expected__ = 17;

			return verifyCase(casenum__, expected__, new CountExpressions2().calcExpressions(x, y, val));
		}

		// custom cases

		/*
		 * case 6: {
		 * int x = ;
		 * int y = ;
		 * int val = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CountExpressions2().calcExpressions(x, y, val));
		 * }
		 */
		/*
		 * case 7: {
		 * int x = ;
		 * int y = ;
		 * int val = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CountExpressions2().calcExpressions(x, y, val));
		 * }
		 */
		/*
		 * case 8: {
		 * int x = ;
		 * int y = ;
		 * int val = ;
		 * int expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CountExpressions2().calcExpressions(x, y, val));
		 * }
		 */
		default:
			return -1;
		}
	}