# test_toptradingcycle.R
# test the top trading cycle algorithm
test_that("Stable?", {
set.seed(1)
for (i in c(4, 8, 16, 32, 128, 256)) {
utils <- replicate(i, rnorm(i))
results <- toptrading(utils = utils)
expect_true(toptrading.checkStability(utils = utils, matchings = results))
}
})
test_that("Check stability function when it should break", {
utils <- structure(c(
-0.626453810742332, 0.183643324222082, -0.835628612410047,
1.59528080213779, 0.329507771815361, -0.820468384118015, 0.487429052428485,
0.738324705129217, 0.575781351653492, -0.305388387156356, 1.51178116845085,
0.389843236411431, -0.621240580541804, -2.2146998871775, 1.12493091814311,
-0.0449336090152309
), .Dim = c(4L, 4L))
results <- c(1, 2, 3, 4)
expect_false(toptrading.checkStability(utils = utils, matchings = results))
})
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