rxTest({
  td <- tempdir()

  .rxWithWd(td, {
    test_that("Issue RxODE#178: deactivate active compiled model", {
      ## Define model
      skip_on_os("solaris")
      skip_on_os("mac")
      ode <- "
   C2 = centr/V2;
   C3 = peri/V3;
   d/dt(depot) = -KA*depot;
   d/dt(centr) = KA*depot - CL*C2 - Q*C2 + Q*C3;
   d/dt(peri) = Q*C2 - Q*C3;
   d/dt(eff) = Kin*(1-C2/(EC50+C2)) - Kout*eff;
"
      
      mod1 <- rxode2(model = ode, modName = "mod1")
      
      ode <- "
   C2 = centr/V2;
   d/dt(depot) = -KA*depot;
   d/dt(centr) = KA*depot - CL*C2;
   d/dt(eff) = Kin*(1-C2/(EC50+C2)) - Kout*eff;
"
      
      ## Compile model
      mod1 <- rxode2(model = ode, modName = "mod1")
      
      expect_equal(rxModelVars(ode)$params, rxModelVars(mod1)$params)
    })
  })
})