TestLargest.java Source code

Introduction

Here is the source code for TestLargest.java

Source

import junit.framework.TestCase;

public class TestLargest extends TestCase {
    public TestLargest(String name) {
        super(name);
    }

    public void testEmpty() {
        try {
            Largest.largest(new int[] {});
            fail("Should have thrown an exception");
        } catch (RuntimeException e) {
            assertTrue(true);
        }
    }

}

class Largest {

    /**
     * Return the largest element in a list.
     * 
     * @param list
     *            A list of integers
     * @return The largest number in the given list
     */
    public static int largest(int[] list) {
        int index, max = Integer.MAX_VALUE;
        for (index = 0; index < list.length - 1; index++) {
            if (list[index] > max) {
                max = list[index];
            }
        }
        return max;
    }

}