Civil Engineering Reference
In-Depth Information
The SV coordinates the entire test sequence from the initialization of the test
system to the generation of the test report. The individual testing procedures are
controlled by using the LT and UT and the measured test data are stored. The Su-
pervisor compares the stored test data with the expected values and generates a list
of errors and deviations and at last the test report with the relevant information and
the corresponding test result.
6.2.5
The Test Cases of CAN Transceiver Tests
This chapter describes the test flow followed by an overview about performed tests
in CAN Low-Speed and CAN High-Speed area. Afterwards, the so-called CAN
ISO Tests will be mentioned.
Besides, a detailed test report and also result files concerning communication be-
haviour, measured values and diagrams can be provided. In case of fail behaviour it
will be separately documented in the
Problem History
of the report. In addition, the
customer will receive the
Authentication
sheet: one hard-copy document containing
the scope of tests and the rating on one page.
6.2.5.1
The Test Flow
The test execution is defined in the test specification and is always the same:
•
Initialization:
The standard network and the CAN transceiver under test will be
set to a defined state according to the test specification.
•
Stimulation:
The standard network and the CAN transceiver under test will be
exposed to special events/stimuli according to the test specification.
•
Recording and evaluation/verification:
The behaviour of the standard network
and the transceiver under test will be recorded. After test completion, the result
data will be compared with the expected behaviour and evaluated.
−
PASS
: The observed and recorded behaviour matches the expected behaviour.
−
FAIL
: The observed and recorded behaviour does not match the expected
behaviour.
The test execution is fully automated which gives some advantages:
• At the test execution and evaluation, the human error will be reduced.
• Because of the automatic test settings, each TC can be repeated in a defined way
and is independent of test executor and test conditions by accident.
Each TC performed within these CAN transceiver tests is autonomous and can be
performed as single TC.
