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Automated test generation holds great promise for alleviating the burdens of manual test creation. However, existing search-based techniques compromise on test readability, while LLM-based approaches are prohibitively expensive in practice.…

Software Engineering · Computer Science 2025-03-20 Kush Jain , Claire Le Goues

Software testing remains the most widely used methodology for validating quality of code. However, effectiveness of testing critically depends on the quality of test suites used. Test cases in a test suite consist of two fundamental parts:…

Software Engineering · Computer Science 2025-07-22 Shan Jiang , Chenguang Zhu , Sarfraz Khurshid

Code generation models can help improve many common software tasks ranging from code completion to defect prediction. Most of the existing benchmarks for code generation LLMs focus on code authoring or code completion. Surprisingly, there…

Software Engineering · Computer Science 2025-03-20 Kush Jain , Gabriel Synnaeve , Baptiste Rozière

This paper presents a detailed case study examining the application of Large Language Models (LLMs) in the construction of test cases within the context of software engineering. LLMs, characterized by their advanced natural language…

Background: Software systems powered by large language models are becoming a routine part of everyday technologies, supporting applications across a wide range of domains. In software engineering, many studies have focused on how LLMs…

Software Engineering · Computer Science 2025-08-05 Cleyton Magalhaes , Italo Santos , Brody Stuart-Verner , Ronnie de Souza Santos

Recent advancements in large language models (LLMs) have demonstrated exceptional success in a wide range of general domain tasks, such as question answering and following instructions. Moreover, LLMs have shown potential in various…

Software Engineering · Computer Science 2023-07-04 Yutian Tang , Zhijie Liu , Zhichao Zhou , Xiapu Luo

The integration of Large Language Models (LLMs), such as ChatGPT and GitHub Copilot, into software engineering workflows has shown potential to enhance productivity, particularly in software testing. This paper investigates whether LLM…

Software Engineering · Computer Science 2025-02-17 Rudolf Ramler , Philipp Straubinger , Reinhold Plösch , Dietmar Winkler

Unit testing plays a critical role in ensuring software correctness. However, writing unit tests manually is labor-intensive, especially for strongly typed languages like Java, motivating the need for automated approaches. Traditional…

Software Engineering · Computer Science 2026-03-27 Qinghua Xu , Guancheng Wang , Lionel Briand , Kui Liu

The emergence of Large Language Models (LLMs) has opened new opportunities to automate software engineering activities that traditionally require substantial manual effort. Among these, class diagram generation represents a critical yet…

Software Engineering · Computer Science 2026-03-11 Jackson Nguyen , Rui En Koe , Fanyu Wang , Chetan Arora , Alessio Ferrari

Ensemble methods are powerful machine learning algorithms that combine multiple models to enhance prediction capabilities and reduce generalization errors. However, their potential to generate effective test cases for fault detection in a…

Software Engineering · Computer Science 2024-09-10 Sheikh Md. Mushfiqur Rahman , Nasir U. Eisty

Software engineers in various industrial domains are already using Large Language Models (LLMs) to accelerate the process of implementing parts of software systems. When considering its potential use for ADAS or AD systems in the automotive…

Software Engineering · Computer Science 2025-05-27 Ali Nouri , Beatriz Cabrero-Daniel , Zhennan Fei , Krishna Ronanki , Håkan Sivencrona , Christian Berger

Software testing is a crucial but time-consuming aspect of software development, and recently, Large Language Models (LLMs) have gained popularity for automated test case generation. However, because LLMs are trained on vast amounts of…

Software Engineering · Computer Science 2025-01-07 Benjamin Steenhoek , Michele Tufano , Neel Sundaresan , Alexey Svyatkovskiy

Automated unit test generation has been widely studied, with Large Language Models (LLMs) recently showing significant potential. Moreover, in the context of unit test generation, these tools prioritize high code coverage, often at the…

Software Engineering · Computer Science 2024-10-18 Zhe Zhang , Xingyu Liu , Yuanzhang Lin , Xiang Gao , Hailong Sun , Yuan Yuan

The rapid evolution of large language models (LLMs) has opened new possibilities for automating various tasks in software development. This paper evaluates the capabilities of the Llama 2-70B model in automating these tasks for scientific…

Software Engineering · Computer Science 2025-07-09 Patrick Diehl , Nojoud Nader , Maxim Moraru , Steven R. Brandt

Automated unit test generation using large language models (LLMs) holds great promise but often struggles with generating tests that are both correct and maintainable in real-world projects. This paper presents KTester, a novel framework…

Software Engineering · Computer Science 2026-02-09 Anji Li , Mingwei Liu , Zhenxi Chen , Zheng Pei , Zike Li , Dekun Dai , Yanlin Wang , Zibin Zheng

Large language models (LLMs) are being used in many applications and prompts for these models are integrated into software applications as code-like artifacts. These prompts behave much like traditional software in that they take inputs,…

Software Engineering · Computer Science 2026-02-09 Reshabh K Sharma , Jonathan De Halleux , Shraddha Barke , Dan Grossman , Benjamin Zorn

As software systems grow more complex, automated testing has become essential to ensuring reliability and performance. Traditional methods for boundary value test input generation can be time-consuming and may struggle to address all…

Software Engineering · Computer Science 2025-01-27 Xiujing Guo , Chen Li , Tatsuhiro Tsuchiya

Automated unit test case generation tools facilitate test-driven development and support developers by suggesting tests intended to identify flaws in their code. Existing approaches are usually guided by the test coverage criteria,…

Software Engineering · Computer Science 2021-05-24 Michele Tufano , Dawn Drain , Alexey Svyatkovskiy , Shao Kun Deng , Neel Sundaresan

Large Language Models (LLMs), such as ChatGPT, are increasingly leveraged for generating both traditional software code and spreadsheet logic. Despite their impressive generative capabilities, these models frequently exhibit critical issues…

Software Engineering · Computer Science 2025-11-27 Simon Thorne , Advait Sarkar

The rapid integration of Large Language Models (LLMs) into software engineering practice is reshaping how software testing activities are performed. LLMs are increasingly used to support software testing. Consequently, software testing…

Software Engineering · Computer Science 2026-03-30 Peng Yang , Yunfeng Zhu , Chao Chang , Shengcheng Yu , Zhenyu Chen , Yong Tang