To run, do:
> demo("ling", package = "gadget3")
By default, tests are only run against the R backend for speed.
To run against the TMB backend, set the G3_TEST_TMB
environment variable, with:
Sys.setenv(G3_TEST_TMB = 1) ; source('tests/test-action_grow.R')
make test
, which turns it on by default