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Change removeAll extension implementation to match the contract of member removeAll.

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Add retainAll for sequences.
This commit is contained in:
Ilya Gorbunov
2015-07-08 21:10:33 +03:00
parent ecba29a08a
commit 0ee960da50
3 changed files with 70 additions and 18 deletions
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libraries/stdlib/test/collections/MutableCollectionsTest.kt
+32 -10
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@@ -8,22 +8,44 @@ import org.junit.Test as test
class MutableCollectionTest {
test fun fromIterable() {
val data: Iterable<String> = listOf("foo", "bar")
// TODO: Use apply scope function
val collection = ArrayList<String>()
collection.addAll(data)
test fun addAll() {
val data = listOf("foo", "bar")
assertEquals(data, collection)
fun assertAdd(f: MutableList<String>.() -> Unit) = assertEquals(data, arrayListOf<String>().let { it.f(); it })
assertAdd { addAll(data) }
assertAdd { addAll(data.toTypedArray()) }
assertAdd { addAll(data.toTypedArray().asIterable()) }
assertAdd { addAll(data.asSequence()) }
}
test fun fromSequence() {
val list = listOf("foo", "bar")
val collection = ArrayList<String>()
test fun removeAll() {
val content = arrayOf("foo", "bar", "bar")
val data = listOf("bar")
val expected = listOf("foo")
collection.addAll(list.asSequence())
fun assertRemove(f: MutableList<String>.() -> Unit) = assertEquals(expected, arrayListOf(*content).let { it.f(); it })
assertEquals(list, collection)
assertRemove { removeAll(data) }
assertRemove { removeAll(data.toTypedArray()) }
assertRemove { removeAll(data.toTypedArray().asIterable()) }
assertRemove { removeAll(data.asSequence()) }
}
test fun retainAll() {
val content = arrayOf("foo", "bar", "bar")
val data = listOf("bar")
val expected = listOf("bar", "bar")
fun assertRetain(f: MutableList<String>.() -> Unit) = assertEquals(expected, arrayListOf(*content).let { it.f(); it })
assertRetain { retainAll(data) }
assertRetain { retainAll(data.toTypedArray()) }
assertRetain { retainAll(data.toTypedArray().asIterable()) }
assertRetain { retainAll(data.asSequence()) }
}
}