Question: Please help me write a class that will pass the following JUnit test class: import static org.junit.Assert.*; import org.junit.Test; public class TestMySorter { /** *
Please help me write a class that will pass the following JUnit test class:
import static org.junit.Assert.*;
import org.junit.Test;
public class TestMySorter
{
/**
* Test Bubble Sort on a small, randomly ordered array
*/
@Test
public void testBubbleSmall()
{
int[] x = { 5, 3, 8, 1 };
MySorter s = new MySorter();
s.bubbleSort(x);
for (int i = 0; i < x.length - 1; i++)
{
assertTrue("Out of order at " + i, x[i] < x[i + 1]);
}
}
/**
* Test maxPosition for an element in the
* middle of the unsorted position
*/
@Test
public void testMaxPositionMiddle()
{
int[] x = {1, 5, 3, 7, 8, 9};
MySorter s = new MySorter();
assertEquals(1, s.maxPosition(x, 2));
}
/**
* Test maxPosition for an element in the middle
* of the unsorted portion
*/
@Test
public void testMaxPositionFirst()
{
int[] x = {5, 1, 3, 2, 8, 9};
MySorter s = new MySorter();
assertEquals(0, s.maxPosition(x, 3));
}
/**
* Test maxPosition for an element in the middle
* of the unsorted portion
*/
@Test
public void testMaxPositionLast()
{
int[] x = {1, 5, 3, 7, 8, 9};
MySorter s = new MySorter();
assertEquals(3, s.maxPosition(x, 3));
}
/**
* maxPosition must work correctly even when there is only
* one element in the portion of the array it is looking at
*/
@Test
public void testMaxPositionOneElement()
{
int[] x = {1, 5, 3, 7, 8, 9};
MySorter s = new MySorter();
assertEquals(0, s.maxPosition(x, 0));
}
/**
* Make sure that we can find the biggest thing
* even if it's negative
*/
@Test
public void testMaxPositionNegative()
{
int[] x = {-7, -6, -8,-3, -1};
MySorter s = new MySorter();
assertEquals(1, s.maxPosition(x, 2));
}
}
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