ArrayTests.java

import static org.junit.Assert.*;
import org.junit.*;

public class ArrayTests {
	@Test 
	public void testReverseInPlace() {
    int[] input1 = { 3 };
    ArrayExamples.reverseInPlace(input1);
    assertArrayEquals(new int[]{ 3 }, input1);
	}


  @Test
  public void testReversed() {
    int[] input1 = { };
    assertArrayEquals(new int[]{ }, ArrayExamples.reversed(input1));
  }

  @Test
  public void testReversed2(){
    int[] input2 = {1, 2, 3, 4};
    assertArrayEquals(new int[]{4, 3, 2, 1}, ArrayExamples.reversed(input2));
  }

  @Test
  public void testReverseInPlace2(){
    int[] input2 = {1, 2, 3, 4};
    ArrayExamples.reverseInPlace(input2);
    assertArrayEquals(new int[]{4, 3, 2, 1}, input2);
  }

  @Test
  public void testAverageWithoutLowest(){
    double[] input4 = {0, -5, -5};
    assertEquals(-2.5, ArrayExamples.averageWithoutLowest(input4), 0.1);
  }
}