pom.xml

@@ -15,7 +15,7 @@
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
-            <version>4.13.1</version>
+            <version>4.12</version>
             <scope>test</scope>
         </dependency>
     </dependencies>

src/test/java/com/nbee/solution/practice/BinarySearchTest.java

@@ -1,51 +1,63 @@
 package com.nbee.solution.practice;
 
-import org.junit.Assert;
+
 import org.junit.Test;
 
+import static org.junit.Assert.assertEquals;
+
 public class BinarySearchTest {
 
     @Test
     public void testBinarySearchBasic_Found() {
         int[] nums = {1, 3, 5, 7, 9};
         int target = 5;
+        int expected = 2;
         int result = BinarySearch.binarySearchBasic(nums, target);
-        Assert.assertEquals("Element should be found at index 2", 2, result);
+        assertEquals(expected, result);
     }
 
     @Test
     public void testBinarySearchBasic_NotFound() {
         int[] nums = {1, 3, 5, 7, 9};
         int target = 4;
+        int expected = -1;
         int result = BinarySearch.binarySearchBasic(nums, target);
-        Assert.assertEquals("Element should not be found", -1, result);
+        assertEquals(expected, result);
     }
 
     @Test
     public void testBinarySearchBasic_EmptyArray() {
         int[] nums = {};
-        int target = 1;
+        int target = 0;
+        int expected = -1;
         int result = BinarySearch.binarySearchBasic(nums, target);
-        Assert.assertEquals("Element should not be found in an empty array", -1, result);
+        assertEquals(expected, result);
     }
 
     @Test
-    public void testBinarySearchBasic_SingleElementArray() {
+    public void testBinarySearchBasic_SingleElementFound() {
-        int[] nums = {1};
+        int[] nums = {2};
-        int target = 1;
+        int target = 2;
+        int expected = 0;
         int result = BinarySearch.binarySearchBasic(nums, target);
-        Assert.assertEquals("Element should be found at index 0", 0, result);
+        assertEquals(expected, result);
+    }
 
-        target = 2;
+    @Test
-        result = BinarySearch.binarySearchBasic(nums, target);
+    public void testBinarySearchBasic_SingleElementNotFound() {
-        Assert.assertEquals("Element should not be found", -1, result);
+        int[] nums = {2};
+        int target = 3;
+        int expected = -1;
+        int result = BinarySearch.binarySearchBasic(nums, target);
+        assertEquals(expected, result);
     }
 
     @Test
     public void testBinarySearchBasic_DecreasingArray() {
         int[] nums = {9, 7, 5, 3, 1};
-        int target = 5;
+        int target = 3;
+        int expected = 2;
         int result = BinarySearch.binarySearchBasic(nums, target);
-        Assert.assertEquals("Binary search should work on decreasing arrays", 2, result);
+        assertEquals(expected, result);
     }
 }