1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
library(SyncRNG)
context("SyncRNG unit tests")
test_that("test_randi", {
s <- SyncRNG(seed=123456)
expect_equal(s$randi(), 959852049)
expect_equal(s$randi(), 2314333085)
expect_equal(s$randi(), 2255782734)
expect_equal(s$randi(), 2921461239)
expect_equal(s$randi(), 1024197102)
})
test_that("test_rand", {
s <- SyncRNG(seed=123456)
expect_equal(s$rand(), 959852049 /(2**32))
expect_equal(s$rand(), 2314333085/(2**32))
expect_equal(s$rand(), 2255782734/(2**32))
expect_equal(s$rand(), 2921461239/(2**32))
expect_equal(s$rand(), 1024197102/(2**32))
})
test_that("test_randbelow", {
s <- SyncRNG(seed=123456)
expect_equal(s$randbelow(5), 4)
expect_equal(s$randbelow(5), 0)
expect_equal(s$randbelow(5), 4)
expect_equal(s$randbelow(5), 4)
expect_equal(s$randbelow(5), 2)
})
test_that("test_shuffle", {
s <- SyncRNG(seed=123456)
x <- c(1, 2, 3, 4, 5)
y <- s$shuffle(x)
expect_equal(y, c(3, 4, 1, 2, 5))
})
test_that("test_first_1000", {
s <- SyncRNG(seed=0)
fileName <- "./first_1000_seed_0.txt"
conn <- file(fileName, open="r")
linn <- readLines(conn)
for (i in 1:length(linn)) {
exp <- as.numeric(linn[i])
expect_equal(exp, s$randi())
}
close(conn)
})
|
