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/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package test.collections
import kotlin.test.*
class SequenceJVMTest {
@Test fun filterIsInstance() {
val src: Sequence<Any> = listOf(1, 2, 3.toDouble(), "abc", "cde").asSequence()
val intValues: Sequence<Int> = src.filterIsInstance<Int>()
assertEquals(listOf(1, 2), intValues.toList())
val doubleValues: Sequence<Double> = src.filterIsInstance<Double>()
assertEquals(listOf(3.0), doubleValues.toList())
val stringValues: Sequence<String> = src.filterIsInstance<String>()
assertEquals(listOf("abc", "cde"), stringValues.toList())
val anyValues: Sequence<Any> = src.filterIsInstance<Any>()
assertEquals(src.toList(), anyValues.toList())
val charValues: Sequence<Char> = src.filterIsInstance<Char>()
assertEquals(0, charValues.toList().size)
}
}
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