```
context('Test makePop function that initializes populations.')
test_that('makePop creates correct data types', {
p <- makePop(model = 'SI')
expect_equal(length(p), 19)
expect_true(inherits(p$parameters, 'numeric'))
expect_true(inherits(p$models, 'data.frame'))
expect_true(inherits(p$I, 'array'))
expect_true(inherits(p$edgeList, 'matrix'))
expect_true(inherits(p$diseaseList, 'list'))
expect_true(inherits(p$nClasses, 'integer'))
expect_true(inherits(p$totalRate, 'numeric'))
expect_true(length(p$totalRate) == 1)
expect_true(inherits(p$randU, 'numeric'))
expect_true(inherits(p$adjacency, 'matrix'))
expect_true(inherits(p$diseaseClasses, 'character'))
expect_true(inherits(p$whichClasses, 'matrix'))
expect_true(inherits(p$transitions, 'data.frame'))
expect_true(inherits(p$waiting, 'numeric'))
})
test_that('makePop creates correctly sized arrays for I and sample', {
p1 <- makePop(model = 'SI', nColonies = 10, nPathogens = 5, events = 2000, sample = 1000)
expect_true(all.equal(dim(p1$I), c(2^5, 10, 1000 + 1)))
# Currently nColonies = 1 crashes. Wasn't deliberate but is probably a good choice.
expect_error(makePop(nColonies = 1, nPathogens = 5, events = 20, sample = 1), 'nColonies not')
# nPathogens must be > 1 as well
expect_error(makePop(nColonies = 10, nPathogens = 1, events = 20, sample = 1), 'nPathogens not')
# nPathogens == 2 should be allowed
p2 <- makePop(nPathogens = 2)
expect_true(exists('p2'))
expect_equal(p2$nClasses, 4)
})
test_that('incorrect args gives errors', {
expect_error(makePop(model = 'ERRRORR'))
expect_error(makePop(model = 2))
expect_error(makePop(nColonies = 1))
expect_error(makePop(nColonies = 0))
expect_error(makePop(nColonies = 4.3))
expect_error(makePop(colonyDistr = 'ERRRORR'))
expect_error(makePop(space = 0))
expect_error(makePop(space = -1))
expect_error(makePop(space = 'ERRRORR'))
expect_error(makePop(maxDistance = 'ERRRORR'))
expect_error(supressWarnings(makePop(maxDistance = 0)))
expect_error(supressWarnings(makePop(maxDistance = -1)))
expect_error(makePop(kernel = 'ERRRORR'))
expect_error(makePop(events = 0))
expect_error(makePop(events = -1))
expect_error(makePop(colonySpatialDistr = 'ERRRORR'))
expect_error(makePop(nPathogens = 0))
expect_error(makePop(meanColonySize = -1))
#
expect_error(makePop(birth = -1))
expect_error(makePop(death = -1))
expect_error(makePop(dispersal = -1))
expect_error(makePop(transmission = -1))
expect_error(makePop(recovery = -1))
expect_error(makePop(crossImmunity = -0.1))
expect_error(makePop(crossImmunity = 1.1))
})
```

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