static int runTestCase(int casenum__) {
		switch (casenum__) {
		case 0: {
			String[] relations = { "N" };
			long expected__ = 1;

			return verifyCase(casenum__, expected__, new CorporationSalary().totalSalary(relations));
		}
		case 1: {
			String[] relations = { "NNYN",
					"NNYN",
					"NNNN",
					"NYYN" };
			long expected__ = 5;

			return verifyCase(casenum__, expected__, new CorporationSalary().totalSalary(relations));
		}
		case 2: {
			String[] relations = { "NNNNNN",
					"YNYNNY",
					"YNNNNY",
					"NNNNNN",
					"YNYNNN",
					"YNNYNN" };
			long expected__ = 17;

			return verifyCase(casenum__, expected__, new CorporationSalary().totalSalary(relations));
		}
		case 3: {
			String[] relations = { "NYNNYN",
					"NNNNNN",
					"NNNNNN",
					"NNYNNN",
					"NNNNNN",
					"NNNYYN" };
			long expected__ = 8;

			return verifyCase(casenum__, expected__, new CorporationSalary().totalSalary(relations));
		}
		case 4: {
			String[] relations = { "NNNN",
					"NNNN",
					"NNNN",
					"NNNN" };
			long expected__ = 4;

			return verifyCase(casenum__, expected__, new CorporationSalary().totalSalary(relations));
		}

		// custom cases

		/*
		 * case 5: {
		 * String[] relations = ;
		 * long expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CorporationSalary().totalSalary(relations));
		 * }
		 */
		/*
		 * case 6: {
		 * String[] relations = ;
		 * long expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CorporationSalary().totalSalary(relations));
		 * }
		 */
		/*
		 * case 7: {
		 * String[] relations = ;
		 * long expected__ = ;
		 *
		 * return verifyCase(casenum__, expected__, new
		 * CorporationSalary().totalSalary(relations));
		 * }
		 */
		default:
			return -1;
		}
	}