diff --git a/tests/test_main.py b/tests/test_main.py
index ea4ecd7..6d07b92 100644
--- a/tests/test_main.py
+++ b/tests/test_main.py
@@ -16,6 +16,7 @@ def test_load_data():
     data = load_data("data/raw/enwik8.gz", tokenizer, 65536)
     assert len(data) > 0
     assert isinstance(data[0], torch.Tensor)
+    assert data[0].shape[0] <= 65536
 
 
 def test_non_uniform_interpolation():
@@ -24,6 +25,7 @@ def test_non_uniform_interpolation():
     n_hat = 50
     interpolated = non_uniform_interpolation(pos_embed, 2.0, lambda_factors, n_hat)
     assert interpolated.shape == pos_embed.shape
+    assert not torch.equal(pos_embed, interpolated)
 
 
 def test_rope_positional_encoding():
@@ -31,6 +33,7 @@ def test_rope_positional_encoding():
     positions = torch.arange(100).unsqueeze(0)
     pos_embeddings = rope(positions)
     assert pos_embeddings.shape == (1, 100, 512)
+    assert not torch.equal(positions, pos_embeddings)
 
 
 def test_longrope_model_forward():
@@ -40,6 +43,7 @@ def test_longrope_model_forward():
     input_ids = torch.randint(0, 50257, (2, 1024))
     output = model(input_ids)
     assert output.shape == (2, 1024, 512)
+    assert not torch.equal(input_ids, output)
 
 
 def test_extend_context():
@@ -58,6 +62,7 @@ def test_extend_context():
         max_iterations=10,
     )
     assert extended_model is not None
+    assert extended_model.max_len == 2048000
 
 
 def test_recover_short_context():
@@ -71,6 +76,7 @@ def test_recover_short_context():
         tokenizer=tokenizer,
     )
     assert recovered_model is not None
+    assert recovered_model.max_len == 65536
 
 
 def test_progressive_extension():
@@ -99,6 +105,7 @@ def test_progressive_extension():
     assert n_hat is not None
     assert lambda_factors_base is not None
     assert n_hat_base is not None
+    assert extended_model.max_len == 2048000
 
 
 def test_short_context_recovery():
@@ -107,3 +114,34 @@ def test_short_context_recovery():
     )
     tokenizer = GPT2Tokenizer.from_pretrained("gpt2")
     short_context_recovery(model, tokenizer)
+
+
+def test_longrope_model_initialization():
+    model = LongRoPEModel(
+        d_model=512, n_heads=8, num_layers=6, vocab_size=50257, max_len=65536
+    )
+    assert model.d_model == 512
+    assert model.n_heads == 8
+    assert model.num_layers == 6
+    assert model.vocab_size == 50257
+    assert model.max_len == 65536
+
+
+def test_longrope_model_embedding():
+    model = LongRoPEModel(
+        d_model=512, n_heads=8, num_layers=6, vocab_size=50257, max_len=65536
+    )
+    input_ids = torch.randint(0, 50257, (2, 1024))
+    embeddings = model.embedding(input_ids)
+    assert embeddings.shape == (2, 1024, 512)
+
+
+def test_longrope_model_transformers():
+    model = LongRoPEModel(
+        d_model=512, n_heads=8, num_layers=6, vocab_size=50257, max_len=65536
+    )
+    input_ids = torch.randint(0, 50257, (2, 1024))
+    embeddings = model.embedding(input_ids)
+    for transformer in model.transformers:
+        embeddings = transformer(embeddings)
+    assert embeddings.shape == (2, 1024, 512)