Files
kotlin-fork/backend.native/tests/external/stdlib/collections/CollectionTest/foldIndexed.kt
T
Ilya Matveev 85827b4880 tests: Copy stdlib tests from Kotlin/JVM
This patch copies Kotlin/JVM stdlib tests (libraries/stdlib/test)
excepting ones with explicit java dependencies. It also transforms
the tests to use them as box-tests.
2017-04-07 17:21:11 +07:00

20 lines
504 B
Kotlin

import kotlin.test.*
import kotlin.comparisons.*
fun box() {
expect(42) {
val numbers = listOf(1, 2, 3, 4)
numbers.foldIndexed(0) { index, a, b -> index * (a + b) }
}
expect(0) {
val numbers = arrayListOf<Int>()
numbers.foldIndexed(0) { index, a, b -> index * (a + b) }
}
expect("11234") {
val numbers = listOf(1, 2, 3, 4)
numbers.map { it.toString() }.foldIndexed("") { index, a, b -> if (index == 0) a + b + b else a + b }
}
}