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Merge pull request #290 from corda/aslemmer-fix-pickN-generator

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client: Fix wrong pickN generator
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Andras Slemmer 2017-03-07 17:19:46 +00:00 committed by GitHub
commit e8a10f2f2c
1 changed files with 2 additions and 1 deletions
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client/src/main/kotlin/net/corda/client/mock/Generator.kt
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@ -178,9 +178,10 @@ fun <A : Any> Generator.Companion.pickN(number: Int, list: List<A>) = Generator<
val mask = BitSet(list.size)
val size = Math.min(list.size, number)
for (i in 0..size - 1) {
// mask[i] = 1 desugars into mask.set(i, 1), which sets a range instead of a bit
mask[i] = true
}
for (i in 0..size - 1) {
for (i in 0..list.size - 1) {
val bit = mask[i]
val swapIndex = i + it.nextInt(size - i)
mask[i] = mask[swapIndex]