Internal testing facilities for the weston compositor.
It can't be stressed enough that these should never ever be used outside of running weston's tests. The weston-test.so module should never be installed.
These requests may allow clients to do very bad things.
This is a global singleton interface for Weston internal tests.
This interface allows a test client to trigger compositor-side test procedures. This is useful for cases, where the actual tests are in compositor plugins, but they also require the presence of a particular client.
This interface is implemented by the compositor plugins containing the testing code.
A test client starts a test with the "run" request. It must not send another "run" request until receiving the "finished" event. If the compositor-side test succeeds, the "finished" event is sent. If the compositor-side test fails, the compositor should send the protocol error "test_failed", but it may also exit with an error (e.g. SEGV).
Unknown test name will raise "unknown_test" protocol error.
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