Security involves both protection and compliance. Although the Trusted Computing Group (TCG) has defined specifications for Trusted Computing, including those of Trusted Platform Module (TPM), criteria on compliance testing is still not available. In this paper, a test mechanism checking TPM commands is instrumented into TPM applications, which will validate TPM’s conformance to specifications before its functional execution. Based on this, the initial idea of a chain of compliance is also discussed to enhance the trustworthiness of computing platforms by verifying the conformance of their components.