diff --git a/core-java-modules/core-java-concurrency-collections-2/src/test/java/com/baeldung/concurrent/queue/BlockingQueueUnitTest.java b/core-java-modules/core-java-concurrency-collections-2/src/test/java/com/baeldung/concurrent/queue/BlockingQueueUnitTest.java
new file mode 100644
index 0000000000..e913747f2d
--- /dev/null
+++ b/core-java-modules/core-java-concurrency-collections-2/src/test/java/com/baeldung/concurrent/queue/BlockingQueueUnitTest.java
@@ -0,0 +1,26 @@
+package com.baeldung.concurrent.queue;
+
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.LinkedBlockingQueue;
+
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+
+public class BlockingQueueUnitTest {
+
+    @Test
+    public void givenArrayBlockingQueue_whenAddedElements_thenReturnQueueRemainingCapacity() {
+        BlockingQueue<String> arrayBlockingQueue = new ArrayBlockingQueue<>(10);
+        arrayBlockingQueue.add("TestString1");
+        arrayBlockingQueue.add("TestString2");
+        assertEquals(8, arrayBlockingQueue.remainingCapacity());
+    }
+
+    @Test
+    public void givenLinkedBlockingQueue_whenAddedElements_thenReturnQueueRemainingCapacity() {
+        BlockingQueue<String> linkedBlockingQueue = new LinkedBlockingQueue<>(10);
+        linkedBlockingQueue.add("TestString1");
+        assertEquals(9, linkedBlockingQueue.remainingCapacity());
+    }
+}
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