azalea/kotlin-fork
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KT-33761 Add reduceRightOrNull

Browse Source
This commit is contained in:
Alfredo Delli Bovi
2019-12-13 19:06:59 +01:00
committed by Ilya Gorbunov
parent f5d696d3c4
commit 06008c40ab
7 changed files with 321 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libraries/stdlib/test/collections/ArraysTest.kt
+14
View File
@@ -1036,6 +1036,20 @@ class ArraysTest {
}
}
@Test fun reduceRightOrNull() {
expect(2) { intArrayOf(1, 2, 3).reduceRightOrNull { a, b -> a - b } }
expect(2.toLong()) { longArrayOf(1, 2, 3).reduceRightOrNull { a, b -> a - b } }
expect(2F) { floatArrayOf(1F, 2F, 3F).reduceRightOrNull { a, b -> a - b } }
expect(2.0) { doubleArrayOf(1.0, 2.0, 3.0).reduceRightOrNull { a, b -> a - b } }
expect('3') { charArrayOf('1', '3', '2').reduceRightOrNull { a, b -> if (a > b) a else b } }
expect(false) { booleanArrayOf(true, true, false).reduceRightOrNull { a, b -> a && b } }
expect(true) { booleanArrayOf(true, true).reduceRightOrNull { a, b -> a && b } }
expect(2.toByte()) { byteArrayOf(1, 2, 3).reduceRightOrNull { a, b -> (a - b).toByte() } }
expect(2.toShort()) { shortArrayOf(1, 2, 3).reduceRightOrNull { a, b -> (a - b).toShort() } }
expect(null, { intArrayOf().reduceRightOrNull { a, b -> a + b } })
}
@Test fun reverseInPlace() {
fun <TArray, T> doTest(build: Iterable<Int>.() -> TArray, reverse: TArray.() -> Unit, snapshot: TArray.() -> List<T>) {