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Author: Jivan052

src/test/java/com/thealgorithms/backtracking/KMeanClusteringTest.java

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+package com.thealgorithms.backtracking;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.util.List;
+import org.junit.jupiter.api.Test;
+
+public class KMeansTest {
+
+    @Test
+    void testSimpleKMeans() {
+        KMeans kMeans = new KMeans();
+
+        double[][] data = {
+            {1.0, 2.0}, {1.5, 1.8}, {5.0, 8.0}, {8.0, 8.0},
+            {1.0, 0.6}, {9.0, 11.0}, {8.0, 2.0}, {10.0, 2.0}, {9.0, 3.0}
+        };
+
+        List<List<double[]>> clusters = kMeans.kMeans(data, 2, 100);
+        assertEquals(2, clusters.size());
+    }
+}