Files
kotlin-fork/libraries/stdlib/jvm/test/random/RandomWrappersTest.kt
T
nikita.movshin 65244b4bea Update copyright.
Change the copyright from "JetBrains s.r.o." to
"JetBrains s.r.o. and Kotlin Project contributors"
Update only 2 lines copyright.
2019-04-23 20:09:22 +03:00

54 lines
1.9 KiB
Kotlin

/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package test.random
import kotlin.random.*
import kotlin.test.*
class RandomWrappersTest {
@Test
fun kotlinRandomAsJavaRandom() {
val expect = Random(42)
val actual = Random(42)
val actualJava = actual.asJavaRandom()
repeat(10) {
assertEquals(expect.nextInt(), actualJava.nextInt())
assertEquals(expect.nextInt(100), actualJava.nextInt(100))
assertEquals(expect.nextLong(), actualJava.nextLong())
assertEquals(expect.nextDouble(), actualJava.nextDouble())
assertEquals(expect.nextFloat(), actualJava.nextFloat())
assertEquals(expect.nextBoolean(), actualJava.nextBoolean())
}
assertSame(actual, actualJava.asKotlinRandom())
assertFailsWith<UnsupportedOperationException> { actualJava.setSeed(1L) }
val defaultAsJava = Random.asJavaRandom()
assertFailsWith<UnsupportedOperationException> { defaultAsJava.setSeed(1L) }
}
@Test
fun javaRandomAsKotlinRandom() {
val expect = java.util.Random(42L)
val actual = java.util.Random(42L)
val actualKotlin = actual.asKotlinRandom()
repeat(10) {
assertEquals(expect.nextInt(), actualKotlin.nextInt())
assertEquals(expect.nextInt(100), actualKotlin.nextInt(100))
assertEquals(expect.nextLong(), actualKotlin.nextLong())
assertEquals(expect.nextDouble(), actualKotlin.nextDouble())
assertEquals(expect.nextFloat(), actualKotlin.nextFloat())
assertEquals(expect.nextBoolean(), actualKotlin.nextBoolean())
}
assertSame(actual, actualKotlin.asJavaRandom())
}
}