Ilya Matveev
85827b4880
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.
16 lines
712 B
Kotlin
16 lines
712 B
Kotlin
import kotlin.test.*
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fun box() {
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val elements = listOf("foo", "bar", "flea", "zoo", "biscuit")
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// only collect strings with even length
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val result = elements.groupingBy { it.first() }.fold(listOf<String>()) { acc, e -> if (e.length % 2 == 0) acc + e else acc }
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assertEquals(mapOf('f' to listOf("flea"), 'b' to emptyList(), 'z' to emptyList()), result)
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val moreElements = listOf("fire", "zero", "abstract")
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val result2 = moreElements.groupingBy { it.first() }.foldTo(HashMap(result), listOf()) { acc, e -> if (e.length % 2 == 0) acc + e else acc }
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assertEquals(mapOf('f' to listOf("flea", "fire"), 'b' to emptyList(), 'z' to listOf("zero"), 'a' to listOf("abstract")), result2)
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}
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