TOMAgent: Budget-Aware Test Opportunity Modeling for Reliability-Oriented Multi-Agent Unit Test Generation
This paper introduces TOMAgent, a budget-aware multi-agent framework that optimizes unit test generation by modeling target selection as a marginal-utility problem, achieving a 40% fault-detection success rate on Defects4J benchmarks—significantly outperforming uniform and coverage-guided baselines—while maintaining competitive mutation scores and token efficiency.