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I have released version 0.8.0 of Atrium (an assertion library), supporting now JS and Android next to JVM - check it out (and feedback is welcome):
<https://github.com/robstoll/atrium>

Nice one, and thanks, <@U3DE1TXKP>!  I'm a big fan of liberal use of assertions, coming from iOS Development where they are well supported and encouraged.  It's a shame that first-class assertions always been somewhat deprecated in the Android world by awkward runtime support.  Anything that can make assertions feel well supported and usable again gets a thumbs-up from me - look forward to checking it out :slightly_smiling_face: :thumbsup:

FWIW, where I found assertions particularly useful in the past was in 'gate-keeping' Threads from entering UI/Computation code.  Our App, at the time, did a fair amount of processing so we ran a Computation thread apart from the UI thread - an arrangement which (inevitably) was often overlooked by newer developers until we 'asserted' the correct thread all over the place - cleaned up the behaviour in no time, and kept it clean!

I am not sure but I think you are talking about a different thing. Atrium is an assertion library intended for tests, I guess you are talking about the JVM Option `-ea` (<https://kotlinlang.org/api/latest/jvm/stdlib/kotlin/assert.html>)