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Proper test environment

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This commit is contained in:
Alexander Nozik 2019-06-15 16:31:00 +03:00
parent c267372c70
commit 2892ea11e2
2 changed files with 31 additions and 16 deletions
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2
kmath-prob/src/jvmMain/kotlin/scientifik/kmath/prob/MCScope.kt
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@ -33,9 +33,7 @@ val MCScope.random get() = coroutineContext.random!!
* Launches a supervised Monte-Carlo scope
*/
suspend fun <T> mc(generator: RandomGenerator, block: suspend MCScope.() -> T): T =
supervisorScope {
MCScope.init(generator).block()
}
suspend fun <T> mc(seed: Long = -1, block: suspend MCScope.() -> T): T =
mc(SplitRandomWrapper(seed), block)

49
kmath-prob/src/jvmTest/kotlin/scientifik/kmath/prob/MCScopeTest.kt
View File

@ -1,28 +1,45 @@
package scientifik.kmath.prob
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.newSingleThreadContext
import kotlinx.coroutines.runBlocking
import java.util.*
import kotlin.collections.HashSet
import kotlin.test.Test
import kotlin.test.assertEquals
data class RandomResult(val branch: String, val order: Int, val value: Int)
typealias ATest = suspend CoroutineScope.() -> Set<RandomResult>
class MCScopeTest {
val test: ATest = {
mc(1122) {
val res = Collections.synchronizedSet(HashSet<RandomResult>())
val job = launch {
repeat(10) {
res.add(RandomResult("first", it, random.nextInt()))
}
launch {
"empty fork"
}
}
launch {
repeat(10) {
res.add(RandomResult("second", it, random.nextInt()))
}
}
res
}
}
@Test
fun testGenerator() {
runBlocking(Dispatchers.Default) {
mc(1122){
launch {
repeat(9){
println("first:${random.nextInt()}")
}
assertEquals(690819834,random.nextInt())
}
launch {
repeat(9){
println("second:${random.nextInt()}")
}
assertEquals(691997530,random.nextInt())
}
}
}
val res1 = runBlocking(Dispatchers.Default) { test() }
val res2 = runBlocking(newSingleThreadContext("test")) {test()}
assertEquals(res1,res2)
}
}