Tessy is an eclipse based testing tool used for automated unit or integration testing of embedded software. It has different views or perspective for entering test data, requirement management and also provides detailed code coverage reports. As a test tool TESSY supports all industry-leading compilers,debuggers and microcontrollers as well as host simulation.

The classification tree editor (CTE) provides one method of systamatically specifying test cases. It makes use of classification tree method to do this, and a unique feature of tessy.

KEY FEATURES:

· Automated Test Execution.

· Test Report Generation.

· Code Coverage Without Extra Effort.

· Regression And Integration Testing.

· Traceability Of Requirements To Test Cases.

· Qualified for Safety-related Software Development.

· Testing On Host Or Actual Hardware.

UNIT AND MODULE TESTING:

During unit testing of C programs, a single C-level function is tested rigorously, and is tested in isolation from the rest of the application. Rigorous means that the test cases are specially made for the unit, and they also comprise of input data that may be unexpected by the unit under test. Isolated means that the test result does not depend on the behavior of the other units in the application.

Tessy also be used to test a collection of C functions as a module and hence perform Integration testing and Component testing on them.

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