Ilya Matveev
7dd27dd16d
It also modifies the test for this method to make it to not rely on Kotlin JVM implementation.
33 lines
1.0 KiB
Kotlin
33 lines
1.0 KiB
Kotlin
import kotlin.test.*
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import kotlin.comparisons.*
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fun box() {
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class TestCollection<out E>(val data: Collection<E>) : AbstractCollection<E>() {
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override val size get() = data.size
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override fun iterator() = data.iterator()
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public override fun toArray(): Array<Any?> = super.toArray()
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public override fun <T> toArray(array: Array<T>): Array<T> = super.toArray(array)
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}
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val data = listOf(1, 2, 3)
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assertEquals(TestCollection(data).toArray().asList(), data)
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assertEquals(TestCollection(listOf<Int>()).toArray().size, 0)
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var arr1 = Array<Int>(3) { -1 }
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var arr2 = TestCollection(data).toArray(arr1)
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assertTrue(arr1 === arr2)
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assertEquals(arr2.asList(), data)
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arr1 = Array<Int>(4) { -1 }
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arr2 = TestCollection(data).toArray(arr1)
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assertTrue(arr1 === arr2)
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assertEquals(arr2.asList(), data + listOf(-1))
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arr1 = Array<Int>(2) { -1 }
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arr2 = TestCollection(data).toArray(arr1)
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assertFalse(arr1 === arr2)
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assertEquals(arr2.asList(), data)
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}
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