diff --git a/core/test/processing/data/IntDictTest.java b/core/test/processing/data/IntDictTest.java
new file mode 100644
index 0000000000..b2a91a5f8f
--- /dev/null
+++ b/core/test/processing/data/IntDictTest.java
@@ -0,0 +1,150 @@
+package processing.data;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.BufferedReader;
+import java.io.StringReader;
+
+import static org.junit.Assert.*;
+
+public class IntDictTest {
+
+    private IntDict intDict;
+
+    @Before
+    public void setUp() {
+        intDict = new IntDict();
+    }
+
+    @Test
+    public void testDefaultConstructor() {
+        assertEquals(0, intDict.size());
+    }
+
+    @Test
+    public void testAddAndGet() {
+        intDict.set("key1", 5);
+        intDict.set("key2", 10);
+        assertEquals(5, intDict.get("key1"));
+        assertEquals(10, intDict.get("key2"));
+    }
+
+    @Test
+    public void testHasKey() {
+        intDict.set("key1", 5);
+        assertTrue(intDict.hasKey("key1"));
+        assertFalse(intDict.hasKey("key3"));
+    }
+
+    @Test
+    public void testRemove() {
+        intDict.set("key1", 5);
+        intDict.set("key2", 10);
+
+        assertEquals(5, intDict.remove("key1"));
+        assertFalse(intDict.hasKey("key1"));
+        assertEquals(10, intDict.get("key2"));
+    }
+
+    @Test
+    public void testMinAndMax() {
+        intDict.set("key1", 5);
+        intDict.set("key2", 15);
+        intDict.set("key3", 10);
+
+        assertEquals("key1", intDict.minKey());
+        assertEquals("key2", intDict.maxKey());
+        assertEquals(5, intDict.minValue());
+        assertEquals(15, intDict.maxValue());
+    }
+
+    @Test
+    public void testResize() {
+        intDict.set("key1", 5);
+        intDict.set("key2", 10);
+        intDict.set("key3", 15);
+
+        intDict.resize(2);
+        assertEquals(2, intDict.size());
+        assertTrue(intDict.hasKey("key1"));
+        assertTrue(intDict.hasKey("key2"));
+        assertFalse(intDict.hasKey("key3"));
+    }
+
+    @Test
+    public void testIncrementFunctionality() {
+        intDict.set("key1", 1);
+        intDict.increment("key1");
+        assertEquals(2, intDict.get("key1"));
+
+        intDict.increment(intDict); // Merging the intDict into itself
+        assertEquals(4, intDict.get("key1"));
+    }
+
+    @Test
+    public void testSortValues() {
+        intDict.set("key1", 40);
+        intDict.set("key2", 10);
+        intDict.set("key3", 20);
+
+        intDict.sortValues();
+
+        assertEquals("key2", intDict.key(0));
+        assertEquals("key3", intDict.key(1));
+        assertEquals("key1", intDict.key(2));
+    }
+
+    @Test
+    public void testSortKeys() {
+        intDict.set("bKey", 40);
+        intDict.set("aKey", 10);
+        intDict.set("cKey", 20);
+
+        intDict.sortKeys();
+
+        assertEquals("aKey", intDict.key(0));
+        assertEquals("bKey", intDict.key(1));
+        assertEquals("cKey", intDict.key(2));
+    }
+
+    @Test
+    public void testBufferedReaderConstructor() {
+        String data = "key1\t100\nkey2\t200";
+        BufferedReader reader = new BufferedReader(new StringReader(data));
+        IntDict intDictFromReader = new IntDict(reader);
+
+        assertEquals(2, intDictFromReader.size());
+        assertEquals(100, intDictFromReader.get("key1"));
+        assertEquals(200, intDictFromReader.get("key2"));
+    }
+
+    @Test
+    public void testCloneFunctionality() {
+        intDict.set("key1", 1);
+        intDict.set("key2", 2);
+
+        IntDict cloned = intDict.copy();
+
+        assertEquals(2, cloned.size());
+        assertEquals(1, cloned.get("key1"));
+        assertEquals(2, cloned.get("key2"));
+    }
+
+    @Test
+    public void testDivision() {
+        intDict.set("key1", 10);
+        intDict.div("key1", 2);
+        assertEquals(5, intDict.get("key1"));
+    }
+
+    @Test
+    public void testToJSON() {
+        intDict.set("key1", 5);
+        intDict.set("key2", 10);
+
+        String json = intDict.toJSON();
+        assertTrue(json.contains("\"key1\": 5"));
+        assertTrue(json.contains("\"key2\": 10"));
+    }
+}