Tester.java

package Q17_21_Volume_of_Histogram;

public class Tester {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		String[][] tests = {{"6 1 8 1 2 1 5", "16"},
				{"5 1 2 1 8", "11"},
				{"15 12 20 16 17 25", "10"},
				{"28 25 26", "1"},
				{"28 25 28", "3"},
				{"22", "0"},
				{"22 22", "0"},
				{"0 0 4 0 0 6 0 0 3 0 8 0 2 0 5 2 0 3 0 0", "46"}};
		for (int i = 0; i < tests.length; i++) {
			String input = tests[i][0];
			String output = tests[i][1];
			String[] inputStringArray = input.split(" ");
			int[] histogram = new int[inputStringArray.length];
			for (int j = 0; j < inputStringArray.length; j++) {
				histogram[j] = Integer.parseInt(inputStringArray[j]);
			}
			int targetVolume = Integer.parseInt(output);
			
			int volumeA = QuestionA.computeHistogramVolume(histogram);
			int volumeB = QuestionB.computeHistogramVolume(histogram);
			int volumeC = QuestionC.computeHistogramVolume(histogram);
			if (volumeA != targetVolume || volumeB != targetVolume || volumeC != targetVolume) {
				System.out.println("FAILURE: " + input + " -> wanted " + output + " but got (" + volumeA + ", " + volumeB + ", " + volumeC + ")");
			} else {
				System.out.println("SUCCESS: " + input + " -> " + targetVolume);
			}		
		}
	}

}