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regression tests for Gem
tests are pd-patches living in subdirectories from here
naming conventions:
subdirectories:
named after the (main) object to be tested
e.g. gemframebuffer/ tests problems in [gemframebuffer]
tests:
tests starting with "crash_" are supposed to crash Pd
tests starting with "fail_" are supposed to fail the unit-test
all other tests are supposed to survive and pass the test
unit-tests:
starting the test:
each unit-test get's called with a uniq-ID as first argument
it is supposed to create a receiver using this uniq-ID as follows
[r $1-start]
when a bang is received on this label, the test must start
evaluating the test:
each unit-test is supposed to create a sender using the uniq-ID:
[s $1-result]
the unit test can send 3 results to this label:
0: the test has failed
1: the test has passed
-1: wait, not yet finished!
running the test:
when a "bang" is received at "$1-start", the test has to start and
_immediately_ return one of the 3 results to "$1-result"
if the test fails to immediately return a result, it is considered
as FAILED and the test-run is stopped (the unit-test is deleted!)
if the test needs some time to evaluate, it MUST send "-1" as a result
in which case the test-engine is paused and waits for a proper result
(0 or 1) in order to continue
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