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# Copyright (C) 2013 - 2020 Metrum Research Group
#
# This file is part of mrgsolve.
#
# mrgsolve is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# mrgsolve is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with mrgsolve. If not, see <http://www.gnu.org/licenses/>.
library(testthat)
library(mrgsolve)
library(dplyr)
Sys.setenv(R_TESTS="")
options("mrgsolve_mread_quiet"=TRUE)
context("test-rng")
mod <- mrgsolve::house(omega=diag(c(1,1,1,1)))
ident <- function(x,y,...) {
identical(x,y)
}
test_that("Different seeds give different results without call to set.seed()", {
out1 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
out2 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
expect_false(ident(out1,out2))
})
test_that("Different seeds give different results with different calls to set.seed()", {
set.seed(112)
out1 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
set.seed(333)
out2 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
expect_false(ident(out1,out2))
})
test_that("Same seeds give same results with call to set.seed()", {
set.seed(112)
out1 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
set.seed(112)
out2 <- mrgsim(mod %>% init(GUT=100), idata=data.frame(ID=1:20))
expect_true(ident(out1,out1))
})
test_that("mrgsolve simulate negative eigenvalue [SLV-TEST-0002]", {
mat <- bmat(
1.53394,
1.22232, 0.974014,
2.78342 , 2.211570, 9.86881
)
eig <- eigen(mat)
expect_true(min(eig$value) < 0)
out <- mvgauss(mat, 1000)
expect_true(all(is.finite(out)))
})
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