test aws

src/main/java/aws/OptimizingBoxWeights.java

@@ -9,7 +9,7 @@ public class OptimizingBoxWeights {
         The union of A and B is equal to the original array.
         The number of elements in subset A is minimal.
         The sum of A's weights is greater than the sum of B's weights.*/
-    public static int[] packItems(int[] arr) {
+    public int[] packItems(int[] arr) {
 
         Arrays.sort(arr);
 

src/test/java/aws/OptimizingBoxWeightsTest.java

@@ -0,0 +1,25 @@
+package aws;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class OptimizingBoxWeightsTest {
+
+    @Test
+    public void test() {
+
+        OptimizingBoxWeights optimizingBoxWeights = new OptimizingBoxWeights();
+        var subA = optimizingBoxWeights.packItems(new int[]{5, 3, 2, 4, 1, 2});
+        Assertions.assertEquals(subA[0], 4);
+        Assertions.assertEquals(subA[1], 5);
+
+        subA = optimizingBoxWeights.packItems(new int[]{4, 2, 5, 1, 6});
+        Assertions.assertEquals(subA[0], 5);
+        Assertions.assertEquals(subA[1], 6);
+
+        subA = optimizingBoxWeights.packItems(new int[]{3, 7, 5, 6, 2});
+        Assertions.assertEquals(subA[0], 6);
+        Assertions.assertEquals(subA[1], 7);
+    }
+
+}