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Unit test generation has become a promising and important Large Language Model (LLM) use case. However, existing evaluation benchmarks for LLM unit test generation focus on function- or class-level code (single-file) rather than more…

Software Engineering · Computer Science 2026-04-08 Yibo Wang , Congying Xia , Wenting Zhao , Jiangshu Du , Chunyu Miao , Zhongfen Deng , Philip S. Yu , Chen Xing

Code repair is a fundamental task in software development, facilitating efficient bug resolution and software maintenance. Although large language models (LLMs) have demonstrated considerable potential in automated code repair, their…

Software Engineering · Computer Science 2026-02-27 Dekun Dai , MingWei Liu , Anji Li , Jialun Cao , Yanlin Wang , Chong Wang , Xin Peng , Zibin Zheng

With the rapid growth of large language models for code generation, distinguishing between human-written and AI-generated code has become increasingly critical for academic integrity, hiring evaluations, and software security. We present…

Software Engineering · Computer Science 2026-05-01 Kargi Chauhan , Sadiba Nusrat Nur

In recent years, the application of large language models (LLMs) to code-related tasks has gained significant attention. However, existing evaluation benchmarks often focus on limited scenarios, such as code generation or completion, which…

Software Engineering · Computer Science 2024-09-17 Jia Feng , Jiachen Liu , Cuiyun Gao , Chun Yong Chong , Chaozheng Wang , Shan Gao , Xin Xia

Large language models (LLMs) have achieved remarkable progress in code generation. However, existing benchmarks mainly formalize the task as a static, single-turn problem, overlooking the stepwise requirement changes and iterative workflows…

Software Engineering · Computer Science 2026-03-18 Zexun Zhan , Shuzheng Gao , Ruida Hu , Cuiyun Gao

Task automation has been greatly empowered by the recent advances in Large Language Models (LLMs) via Python code, where the tasks ranging from software engineering development to general-purpose reasoning. While current benchmarks have…

Recent advancements in large language models (LLMs) have significantly enhanced text generation capabilities, yet evaluating their performance in generative writing remains a challenge. Existing benchmarks primarily focus on generic text…

Artificial Intelligence · Computer Science 2025-12-01 Yuning Wu , Jiahao Mei , Ming Yan , Chenliang Li , Shaopeng Lai , Yuran Ren , Zijia Wang , Ji Zhang , Mengyue Wu , Qin Jin , Fei Huang

Large language models (LLMs) have achieved strong performance on code generation. However, most prior evaluations focus on snippet-level outputs, such as function generation or repository completion. These settings do not fully evaluate…

Software Engineering · Computer Science 2026-03-31 Ruwei Pan , Yakun Zhang , Qingyuan Liang , Yueheng Zhu , Chao Liu , Lu Zhang , Hongyu Zhang

Large Language Models (LLMs) are increasingly applied to real-world code generation, where functional correctness alone is insufficient for reliable deployment, developers also expect adherence to explicit requirements for robustness,…

Software Engineering · Computer Science 2025-12-22 Sravani Gunnu , Shanmukha Guttula , Hima Patel

Large language models (LLMs) have transformed code generation. However, most existing approaches focus on mainstream languages such as Python and Java, neglecting the Solidity language, the predominant programming language for Ethereum…

Software Engineering · Computer Science 2025-08-27 Zhiyuan Peng , Xin Yin , Rui Qian , Peiqin Lin , Yongkang Liu , Hao Zhang , Chenhao Ying , Yuan Luo

Code large language models (LLMs) have shown remarkable advances in code understanding, completion, and generation tasks. Programming benchmarks, comprised of a selection of code challenges and corresponding test cases, serve as a standard…

Large language models (LLMs) show promise for automating software development by translating requirements into code. However, even advanced prompting workflows like progressive prompting often leave some requirements unmet. Although methods…

Software Engineering · Computer Science 2026-02-04 Jianru Shen , Zedong Peng , Lucy Owen

The application of large language models (LLMs) in the field of coding is evolving rapidly: from code assistants, to autonomous coding agents, and then to generating complete projects through natural language. Early LLM code benchmarks…

Artificial Intelligence · Computer Science 2025-05-13 Kai Xu , YiWei Mao , XinYi Guan , ZiLong Feng

Large language models (LLMs) have been widely adopted across diverse domains of software engineering, such as code generation, program repair, and vulnerability detection. These applications require understanding beyond surface-level code…

Software Engineering · Computer Science 2026-01-21 Danning Xie , Mingwei Zheng , Xuwei Liu , Jiannan Wang , Chengpeng Wang , Lin Tan , Xiangyu Zhang

How to evaluate the coding abilities of Large Language Models (LLMs) remains an open question. We find that existing benchmarks are poorly aligned with real-world code repositories and are insufficient to evaluate the coding abilities of…

We introduce TestCase-Eval, a new benchmark for systematic evaluation of LLMs in test-case generation. TestCase-Eval includes 500 algorithm problems and 100,000 human-crafted solutions from the Codeforces platform. It focuses on two pivotal…

Software Engineering · Computer Science 2025-06-17 Zheyuan Yang , Zexi Kuang , Xue Xia , Yilun Zhao

Large Language Models (LLMs) have achieved remarkable success in code generation, and the race to improve their performance has become a central focus of AI research. Benchmarks and leaderboards are increasingly popular, offering…

Software Engineering · Computer Science 2025-11-07 Amir Molzam Sharifloo , Maedeh Heydari , Parsa Kazerooni , Daniel Maninger , Mira Mezini

The rapid advancement of code large language models (LLMs) has sparked significant research interest in systematically evaluating their code generation capabilities, yet existing benchmarks predominantly assess models at a single structural…

Computation and Language · Computer Science 2025-12-30 Fanglin Xu , Wei Zhang , Jian Yang , Guo Chen , Aishan Liu , Zhoujun Li , Xianglong Liu , Bryan Dai

With the increasing code reasoning capabilities of existing large language models (LLMs) and breakthroughs in reasoning models like OpenAI o1 and o3, there is a growing need to develop more challenging and comprehensive benchmarks that…

Code generation models based on the pre-training and fine-tuning paradigm have been increasingly attempted by both academia and industry, resulting in well-known industrial models such as Codex, CodeGen, and PanGu-Coder. To evaluate the…

Software Engineering · Computer Science 2024-02-26 Hao Yu , Bo Shen , Dezhi Ran , Jiaxin Zhang , Qi Zhang , Yuchi Ma , Guangtai Liang , Ying Li , Qianxiang Wang , Tao Xie