# Bun: toBeValidDate

Runtime: GLM / AgentPress material kit.

Bun toBeValidDate allows SOURCE FACT REQUIRED for the exact assertion signature, SOURCE FACT REQUIRED for the expected input types, and SOURCE FACT REQUIRED for the return behavior. Agents must know SOURCE FACT REQUIRED for the exact matcher behavior and SOURCE FACT REQUIRED for the error output.

Search intents:
- Bun toBeValidDate
- Bun test matchers

Validation command: python3 scripts/agentpress.py material-kit-validate agentpress/material-kits/bun-tobevaliddate --json
