Building a Comprehensive Accounting System Integration Test – Day 5 jocheojeda.com/2025/05/05/bu… #accounting #integrationtesting #CSharp #doubleentryaccounting #chartofaccounts #mockdatabase #NUnit #softwaredevelopment #financialsystems #transactionprocessing #balanceverification #accountingequation #datadriventesting #collectionbasedmocking #dotNET

Then I benchmarked the two implementations using a million iterations. ⏱️. The time complexity for checking if a registration number exists in the mockDatabase is now O(1), which is a significant improvement over the O(n) time complexity of the includes operation in an Array