diff --git a/tests/Epam.Kafka.Tests/KafkaFactoryTests.cs b/tests/Epam.Kafka.Tests/KafkaFactoryTests.cs
index 93e8297..3dc58ea 100644
--- a/tests/Epam.Kafka.Tests/KafkaFactoryTests.cs
+++ b/tests/Epam.Kafka.Tests/KafkaFactoryTests.cs
@@ -14,6 +14,8 @@
 using Xunit;
 using Xunit.Abstractions;
 
+using static Confluent.Kafka.ConfigPropertyNames;
+
 namespace Epam.Kafka.Tests;
 
 public class KafkaFactoryTests : TestWithServices
@@ -151,7 +153,7 @@ public void CreateOauthConsumerCustom()
                 configure: b =>
                     b.SetOAuthBearerTokenRefreshHandler(
                         (_, _) => { invoked = true; }));
-        
+
         Assert.NotNull(consumer);
 
         consumer.Consume(1000);
@@ -337,6 +339,7 @@ public void ObservableConsumerErrors()
 
         var errorObs = new Mock<IObserver<Error>>();
         var statsObs = new Mock<IObserver<string>>();
+        var parsedObs = new Mock<IObserver<Statistics>>();
 
         Assert.Throws<InvalidOperationException>(() =>
                 consumer.ShouldBeAssignableTo<IObservable<Error>>()!.Subscribe(errorObs.Object))
@@ -344,6 +347,44 @@ public void ObservableConsumerErrors()
         Assert.Throws<InvalidOperationException>(() =>
                 consumer.ShouldBeAssignableTo<IObservable<string>>()!.Subscribe(statsObs.Object))
             .Message.ShouldContain("Cannot subscribe to statistics because handler was explicitly set");
+
+        consumer.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => consumer.ShouldBeAssignableTo<IObservable<Error>>()!.Subscribe(errorObs.Object));
+        Assert.Throws<ObjectDisposedException>(() => consumer.ShouldBeAssignableTo<IObservable<string>>()!.Subscribe(statsObs.Object));
+        Assert.Throws<ObjectDisposedException>(() => consumer.ShouldBeAssignableTo<IObservable<Statistics>>()!.Subscribe(parsedObs.Object));
+
+        List<TopicPartition> tp = new List<TopicPartition> { new(string.Empty, 0) };
+        List<TopicPartitionOffset> tpo = new List<TopicPartitionOffset> { new(tp[0], 0) };
+
+        Assert.Throws<ObjectDisposedException>(() => consumer.Subscription);
+        Assert.Throws<ObjectDisposedException>(() => consumer.ConsumerGroupMetadata);
+        Assert.Throws<ObjectDisposedException>(() => consumer.Assignment);
+        Assert.Throws<ObjectDisposedException>(() => consumer.MemberId);
+        Assert.Throws<ObjectDisposedException>(() => consumer.Assign(tp[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Assign(tpo[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Assign(tp));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Assign(tpo));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Close());
+        Assert.Throws<ObjectDisposedException>(() => consumer.Commit());
+        Assert.Throws<ObjectDisposedException>(() => consumer.Commit(tpo));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Commit(new ConsumeResult<string, string>()));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Committed(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Committed(tp, TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Consume());
+        Assert.Throws<ObjectDisposedException>(() => consumer.Consume(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Consume(0));
+        Assert.Throws<ObjectDisposedException>(() => consumer.GetWatermarkOffsets(tp[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.IncrementalAssign(tp));
+        Assert.Throws<ObjectDisposedException>(() => consumer.IncrementalAssign(tpo));
+        Assert.Throws<ObjectDisposedException>(() => consumer.IncrementalUnassign(tp));
+        Assert.Throws<ObjectDisposedException>(() => consumer.OffsetsForTimes(null, TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Pause(tp));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Position(tp[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Resume(tp));
+        Assert.Throws<ObjectDisposedException>(() => consumer.Seek(tpo[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.StoreOffset(tpo[0]));
+        Assert.Throws<ObjectDisposedException>(() => consumer.StoreOffset(new ConsumeResult<string, string>()));
     }
 
     [Fact]
@@ -366,6 +407,7 @@ public void ObservableProducerErrors()
 
         var errorObs = new Mock<IObserver<Error>>();
         var statsObs = new Mock<IObserver<string>>();
+        var parsedObs = new Mock<IObserver<Statistics>>();
 
         Assert.Throws<InvalidOperationException>(() =>
                 producer.ShouldBeAssignableTo<IObservable<Error>>()!.Subscribe(errorObs.Object))
@@ -374,6 +416,30 @@ public void ObservableProducerErrors()
         Assert.Throws<InvalidOperationException>(() =>
                 producer.ShouldBeAssignableTo<IObservable<string>>()!.Subscribe(statsObs.Object))
             .Message.ShouldContain("Cannot subscribe to statistics because handler was explicitly set");
+
+        producer.Dispose();
+
+        Assert.Throws<ObjectDisposedException>(() => producer.ShouldBeAssignableTo<IObservable<Error>>()!.Subscribe(errorObs.Object));
+        Assert.Throws<ObjectDisposedException>(() => producer.ShouldBeAssignableTo<IObservable<string>>()!.Subscribe(statsObs.Object));
+        Assert.Throws<ObjectDisposedException>(() => producer.ShouldBeAssignableTo<IObservable<Statistics>>()!.Subscribe(parsedObs.Object));
+
+        Assert.Throws<ObjectDisposedException>(() => producer.Name);
+        Assert.Throws<ObjectDisposedException>(() => producer.Handle);
+        Assert.Throws<ObjectDisposedException>(() => producer.Poll(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => producer.Produce(string.Empty, null));
+        Assert.Throws<ObjectDisposedException>(() => producer.Produce(new TopicPartition(string.Empty, 0), null));
+        Assert.Throws<ObjectDisposedException>(() => producer.AbortTransaction());
+        Assert.Throws<ObjectDisposedException>(() => producer.AbortTransaction(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => producer.CommitTransaction());
+        Assert.Throws<ObjectDisposedException>(() => producer.CommitTransaction(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => producer.BeginTransaction());
+        Assert.Throws<ObjectDisposedException>(() => producer.Flush());
+        Assert.Throws<ObjectDisposedException>(() => producer.Flush(TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => producer.SendOffsetsToTransaction(null!, null!, TimeSpan.Zero));
+        Assert.Throws<ObjectDisposedException>(() => producer.AddBrokers(null));
+        Assert.Throws<ObjectDisposedException>(() => producer.SetSaslCredentials(null, null));
+        Assert.Throws<ObjectDisposedException>(() => producer.OAuthBearerSetToken(null, 0, null));
+        Assert.Throws<ObjectDisposedException>(() => producer.OAuthBearerSetTokenFailure(null));
     }
 
     [Theory]