Property-test a hook's decision over generated events. Throws nothing — returns
a result you assert on (assert.ok(r.passed)), so the counterexample is
inspectable. mutate(event, rng) produces a variation from the running event;
each named invariant is checked against decide(event).
Property-test a hook's decision over generated events. Throws nothing — returns a result you assert on (
assert.ok(r.passed)), so the counterexample is inspectable.mutate(event, rng)produces a variation from the running event; each named invariant is checked againstdecide(event).