Embedded Software Regression Testing
- From: "EL" <enrique.lizarraga@xxxxxxxxx>
- Date: 28 Nov 2006 16:03:37 -0800
Hi:
I need some advice about how to perform unit testing and regression
testing on embedded software.
- Do you perform unit testing on host (PC) using a different compiler
or on target with the actual compiler??? Do you think an "on host" test
is useful at all??
- In the case of "on target" tests, how do you interact with the
system??? Do you modify the code to only perform the function under
test??? Do you pre-load the test cases before compiling or use a tool
(emulator, debugger) to modify the variables and parameters on the
run??
- How do you define the "unit" to test?? Do you test functions
independently or test them by groups of functions of a given feature???
- How to set the test cases?? Do you modify the variables and
parameters thru the whole range according to its type???
- How do you set the PASS/FAIL criteria if there are no documents with
the specific function characteristics, but the whole feature???
- What about automating the tests???? Do you use a code-analysis
software the collect data about each function (global and local
variables, parameters, called functions, etc.) or do it manually??
- What about regression tests??? Does anybody have experience with
those??
Thank you.
EL
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