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.
24 lines
749 B
Kotlin
24 lines
749 B
Kotlin
import kotlin.test.*
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import kotlin.comparisons.*
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fun fibonacci(): Sequence<Int> {
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// fibonacci terms
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// 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181, 6765, 10946, ...
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return generateSequence(Pair(0, 1), { Pair(it.second, it.first + it.second) }).map { it.first }
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}
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fun box() {
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val expected = listOf(
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'3', // fibonacci(4) = 3
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'5', // fibonacci(5) = 5
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'8', // fibonacci(6) = 8
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'1', '3', // fibonacci(7) = 13
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'2', '1', // fibonacci(8) = 21
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'3', '4', // fibonacci(9) = 34
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'5' // fibonacci(10) = 55
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)
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assertEquals(expected, fibonacci().drop(4).flatMap { it.toString().asSequence() }.take(10).toList())
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}
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