4 papers
What Are Developers Actually Discussing When Visual Regression Tests Fail?
Miku Watanabe, Kosei Horikawa, Brittany Reid +2
Visual Regression Tests (VRTs) are widely adopted as a mechanism for detecting unintended visual changes in user interfaces. By design, VRTs operate on rendered pixel output, and t…
Testing with AI Agents: An Empirical Study of Test Generation Frequency, Quality, and Coverage
Suzuka Yoshimoto, Shun Fujita, Kosei Horikawa +3
Agent-based coding tools have transformed software development practices. Unlike prompt-based approaches that require developers to manually integrate generated code, these agent-b…
Do AI Agents Really Improve Code Readability?
Kyogo Horikawa, Kosei Horikawa, Yutaro Kashiwa +2
Code readability is fundamental to software quality and maintainability. Poor readability extends development time, increases bug-inducing risks, and contributes to technical debt.…
Agentic Refactoring: An Empirical Study of AI Coding Agents
Kosei Horikawa, Hao Li, Yutaro Kashiwa +3
Agentic coding tools, such as OpenAI Codex, Claude Code, and Cursor, are transforming the software engineering landscape. These AI-powered systems function as autonomous teammates…