Wireless sensor network data link layer protocol test method and system

The invention discloses a wireless sensor network data link layer protocol test method, which includes the following steps: setting computing methods and data formats of test parameters and performance parameters according to test requirements; selecting route and transport protocol component combination according to the test parameters, configuring interlayer module connection, and compiling and generating a mirror image program; unloading the mirror image program to nodes, opening all the nodes, and acquiring node data through a serial port communication component; and monitoring network topology change and data flow direction through a network status monitoring component, and obtaining performance parameter values by analyzing final statistic data. The invention further comprises a data link layer protocol test system, which is suitable for data link layer protocol performance test based on TinyOS design, has good usability and universality, and remarkably improves test efficiency.