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helper/acctest: Add RandIntRange helper function 

This commit adds a new RandIntRange function to the helper/acctest
package for generating random integers in a given range. This is useful
when randomizing test spaces with a constrained range (e.g. 0-4095).
This commit is contained in:
James Nugent 2017-03-22 17:53:49 -05:00
parent 23968a860f
commit 5d734cee4e
1 changed files with 8 additions and 0 deletions
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8
helper/acctest/random.go
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@ -24,6 +24,14 @@ func RandInt() int {
return rand.New(rand.NewSource(time.Now().UnixNano())).Int() return rand.New(rand.NewSource(time.Now().UnixNano())).Int()
} }
func RandIntRange(min int, max int) int {
reseed()
source := rand.New(rand.NewSource(time.Now().UnixNano()))
rangeMax := max - min
return int(source.Int31n(int32(rangeMax)))
}
// RandString generates a random alphanumeric string of the length specified // RandString generates a random alphanumeric string of the length specified
func RandString(strlen int) string { func RandString(strlen int) string {
return RandStringFromCharSet(strlen, CharSetAlphaNum) return RandStringFromCharSet(strlen, CharSetAlphaNum)