59 lines
979 B
V
59 lines
979 B
V
import rand
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const (
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rnd_count = 20
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seeds = [42, 256]
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)
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fn test_rand_reproducibility() {
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for seed in seeds {
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mut randoms1 := gen_randoms(seed)
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mut randoms2 := gen_randoms(seed)
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assert_randoms_equal(randoms1, randoms2)
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}
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}
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fn test_rand_r_reproducibility() {
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for seed in seeds {
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mut randoms1 := gen_randoms_r(seed)
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mut randoms2 := gen_randoms_r(seed)
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assert_randoms_equal(randoms1, randoms2)
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}
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}
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fn test_rand_r_seed_update() {
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seed := 10
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for _ in 0..rnd_count {
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prev_seed := seed
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_ := rand.rand_r(&seed)
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assert prev_seed != seed
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}
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}
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fn gen_randoms(seed int) []int {
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mut randoms := [0].repeat(rnd_count)
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rand.seed(seed)
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for i in 0..rnd_count {
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randoms[i] = rand.next(100)
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}
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return randoms
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}
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fn gen_randoms_r(seed int) []int {
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mut randoms := [0].repeat(rnd_count)
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for i in 0..rnd_count {
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randoms[i] = rand.rand_r(&seed)
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}
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return randoms
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}
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fn assert_randoms_equal(r1, r2 []int) {
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for i in 0..rnd_count {
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assert r1[i] == r2[i]
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}
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}
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