Files
kotlin-fork/backend.native/tests/external/stdlib/collections/CollectionTest/reduceRightIndexed.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

23 lines
574 B
Kotlin

import kotlin.test.*
import kotlin.comparisons.*
fun box() {
expect("234") {
val list = listOf("1", "2", "3", "4")
list.reduceRightIndexed { index, a, b -> if (index == 0) b else a + b }
}
expect(1) {
listOf(2, 3).reduceRightIndexed { index, e, acc: Number ->
assertEquals(0, index)
assertEquals(3, acc)
assertEquals(2, e)
acc.toInt() - e
}
}
assertFailsWith<UnsupportedOperationException> {
arrayListOf<Int>().reduceRightIndexed { index, a, b -> a + b }
}
}