/**
 * Tiny class to test bounds of maximum integer
 * 
 * @author gtowell 
 * created: Sep 2020 
 * modified: Feb 2021
 * Modified: July 2021
 */
public class BoundTest {
    
    public static void main(String[] args) {
        System.out.println("MAX:" + Integer.MAX_VALUE + "    MIN:" + Integer.MIN_VALUE);
        BoundTest bt = new BoundTest();
        bt.testInt(1);
    }
    
    /**
     * Do the work of testing integer bounds.  First step up through integers to find rollover. Then
     * step backwards to get actual largest positive (and smallest negative) integers.
     * @param startingValue the value from which to start a thi process.   
     * (Ideally should be a power of 2)
     */
    public void testInt(int startingValue) {
        int intV = startingValue; 
        for (int jj = 1; jj < 100 && intV > 0; jj++) {
            intV *= 2;
            System.out.println("Pow " + jj + " " + intV);
        }

        for (int jj = 0; jj < 10; jj++) {
            System.out.println("minus " + jj + " " + (intV - jj));
        }
    }
}