Ilya Gorbunov
49 lines
1.4 KiB
Kotlin
49 lines
1.4 KiB
Kotlin
/*
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* Copyright 2010-2017 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package kotlin.jdk8.collections.test
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import org.junit.Test
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import kotlin.test.*
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import java.util.function.Predicate
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import java.util.stream.Collectors
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import kotlin.streams.*
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class CollectionTest {
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val data = listOf("abc", "fo", "baar")
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@Test fun stream() {
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assertEquals(
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data.flatMap { it.asIterable() },
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data.stream()
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.flatMap { it.chars().boxed().map { it.toChar() } }
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.collect(Collectors.toList()))
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assertEquals(data, data.parallelStream().toList())
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}
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@Test fun removeIf() {
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val coll: MutableCollection<String> = data.toMutableList()
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assertTrue(coll.removeIf { it.length < 3 })
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assertEquals(listOf("abc", "baar"), coll as Collection<String>)
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assertFalse(coll.removeIf(Predicate { it.length > 4 }))
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}
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}
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