static int runTestCase(int casenum) {
		switch (casenum) {
		case 0: {
			int length = 5;
			double expected__ = 10.825317547305485;

			return verifyCase(casenum, expected__, new MinimalTriangle().maximalArea(length));
		}
		case 1: {
			int length = 10;
			double expected__ = 43.30127018922194;

			return verifyCase(casenum, expected__, new MinimalTriangle().maximalArea(length));
		}
		case 2: {
			int length = 100000;
			double expected__ = 4.330127018922194E9;

			return verifyCase(casenum, expected__, new MinimalTriangle().maximalArea(length));
		}

		// custom cases

		/*
		 * case 3: {
		 * int length = ;
		 * double expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * MinimalTriangle().maximalArea(length));
		 * }
		 */
		/*
		 * case 4: {
		 * int length = ;
		 * double expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * MinimalTriangle().maximalArea(length));
		 * }
		 */
		/*
		 * case 5: {
		 * int length = ;
		 * double expected__ = ;
		 *
		 * return verifyCase(casenum, expected__, new
		 * MinimalTriangle().maximalArea(length));
		 * }
		 */
		default:
			return -1;
		}
	}