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Introduce filterIndexed

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#KT-9502 Fixed
This commit is contained in:
Ilya Gorbunov
2015-11-07 17:55:33 +03:00
parent ee759c10c8
commit 008a8059cf
9 changed files with 310 additions and 27 deletions
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libraries/stdlib/test/collections/ArraysTest.kt
+9
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@@ -736,6 +736,15 @@ class ArraysTest {
expect(listOf("b"), { arrayOf("a", "b").filter { it > "a" } })
}
@test fun filterIndexed() {
expect(listOf(), { intArrayOf().filterIndexed { i, v -> i > v } })
expect(listOf(2, 5, 8), { intArrayOf(2, 4, 3, 5, 8).filterIndexed { index, value -> index % 2 == value % 2 } })
expect(listOf<Long>(2, 5, 8), { longArrayOf(2, 4, 3, 5, 8).filterIndexed { index, value -> index % 2 == (value % 2).toInt() } })
expect(listOf<Byte>(2, 5, 8), { byteArrayOf(2, 4, 3, 5, 8).filterIndexed { index, value -> index % 2 == (value % 2).toInt() } })
expect(listOf('9', 'e', 'a'), { charArrayOf('9', 'e', 'd', 'a').filterIndexed { index, c -> c == 'a' || index < 2 }})
expect(listOf("a", "c", "d"), { arrayOf("a", "b", "c", "d").filterIndexed { index, s -> s == "a" || index >= 2 } })
}
@test fun filterNot() {
expect(listOf(), { intArrayOf().filterNot { it > 2 } })
expect(listOf(1), { intArrayOf(1).filterNot { it > 2 } })