diff --git a/Python_Tests/Main.py b/Python_Tests/Main.py
index 3126e5c..8d56675 100644
--- a/Python_Tests/Main.py
+++ b/Python_Tests/Main.py
@@ -8,52 +8,79 @@ class Main:
         print("Main class instantiated")
 
 
+def process_data_in_chunks(data, chunk_size=1000000):
+    chunks = [data[i:i+chunk_size] for i in range(0, len(data), chunk_size)]
+    return chunks
+
+
 if __name__ == "__main__":
-    filename = "resources/data2.txt"
+    filename = "resources/SmallTest.txt"
+
     with open(filename, "rb") as f:
         binary_data = f.read().strip()
 
-    filename = "resources/data2.txt"
     with open(filename, "rb") as f:
         byte_data = f.read().strip()
 
-# Call the StarUpTest
+    print("Run all StartUPTests")
+    binary_chunks = process_data_in_chunks(byte_data)
+    first_chunk = binary_chunks[0]
+    result = StartUPTest.run_all_tests(first_chunk)
+    print(result)
+
+    print("Run all TotOnline tests")
+    binary_chunks = process_data_in_chunks(byte_data)
+    first_chunk = binary_chunks[0]
+    result = TotOnline.run_all_tests(first_chunk)
+    print(result)
+
+    # Call the StartUpTest
     print("StartUp:")
-    result = StartUPTest.monobit_test(byte_data)
+    binary_chunks = process_data_in_chunks(byte_data)
+    first_chunk = binary_chunks[0]
+    result = StartUPTest.monobit_test(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
 
-    result = StartUPTest.chi_square(byte_data)
+    result = StartUPTest.chi_square(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
     print("Chi2_statistic", result[2])
 
-# Call the TotalFailure-Test
-
+    # Call the TotalFailure-Test
     print("Total Failure:")
-    result = TotOnline.total_failure_test(byte_data, pattern_length=10)
+    byte_chunks = process_data_in_chunks(byte_data)
+    first_chunk = byte_chunks[0]
+    result = TotOnline.total_failure_test(first_chunk, pattern_length=10)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
 
-# Call the Online Test
+
+    # Call the Online Test
     print("Monobit:")
-    result = TotOnline.monobit_test(byte_data)
+    byte_chunks = process_data_in_chunks(byte_data)
+    first_chunk = byte_chunks[0]
+    result = TotOnline.monobit_test(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
 
     print("Block Frequency:")
-    result = TotOnline.block_frequency_test(byte_data)
+    byte_chunks = process_data_in_chunks(byte_data)
+    first_chunk = byte_chunks[0]
+    result = TotOnline.block_frequency_test(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
 
     print("Run:")
-    result = TotOnline.run_test(byte_data)
+    byte_chunks = process_data_in_chunks(byte_data)
+    first_chunk = byte_chunks[0]
+    result = TotOnline.run_test(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
 
     print("Longest Run:")
-    result = TotOnline.longest_one_block_test(byte_data)
+    byte_chunks = process_data_in_chunks(byte_data)
+    first_chunk = byte_chunks[0]
+    result = TotOnline.longest_one_block_test(first_chunk)
     print("p_value:", result[0])
     print("test passed (p_value >= 0.01):", result[1])
-
-