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import math
import unittest
import sets
suite "random int":
test "there might be some randomness":
var set = initSet[int](128)
randomize()
for i in 1..1000:
incl(set, random(high(int)))
check len(set) == 1000
test "single number bounds work":
randomize()
var rand: int
for i in 1..1000:
rand = random(1000)
check rand < 1000
check rand > -1
test "slice bounds work":
randomize()
var rand: int
for i in 1..1000:
rand = random(100..1000)
check rand < 1000
check rand >= 100
test "randomize() again gives new numbers":
randomize()
var rand1 = random(1000000)
randomize()
var rand2 = random(1000000)
check rand1 != rand2
suite "random float":
test "there might be some randomness":
var set = initSet[float](128)
randomize()
for i in 1..100:
incl(set, random(1.0))
check len(set) == 100
test "single number bounds work":
randomize()
var rand: float
for i in 1..1000:
rand = random(1000.0)
check rand < 1000.0
check rand > -1.0
test "slice bounds work":
randomize()
var rand: float
for i in 1..1000:
rand = random(100.0..1000.0)
check rand < 1000.0
check rand >= 100.0
test "randomize() again gives new numbers":
randomize()
var rand1:float = random(1000000.0)
randomize()
var rand2:float = random(1000000.0)
check rand1 != rand2
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