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In-place reversing.

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#KT-9034
This commit is contained in:
Ilya Gorbunov
2015-10-30 18:30:25 +03:00
parent 1400bdc09a
commit 4fc54a12b8
7 changed files with 200 additions and 27 deletions
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libraries/stdlib/test/collections/ArraysTest.kt
+11
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@@ -546,6 +546,17 @@ class ArraysTest {
} is UnsupportedOperationException)
}
@test fun reverseInPlace() {
assertArrayNotSameButEquals(intArrayOf(3, 2, 1), intArrayOf(1, 2, 3).apply { reverse() })
assertArrayNotSameButEquals(byteArrayOf(3, 2, 1), byteArrayOf(1, 2, 3).apply { reverse() })
assertArrayNotSameButEquals(shortArrayOf(3, 2, 1), shortArrayOf(1, 2, 3).apply { reverse() })
assertArrayNotSameButEquals(longArrayOf(3, 2, 1), longArrayOf(1, 2, 3).apply { reverse() })
assertArrayNotSameButEquals(floatArrayOf(3F, 2F, 1F), floatArrayOf(1F, 2F, 3F).apply { reverse() })
assertArrayNotSameButEquals(doubleArrayOf(3.0, 2.0, 1.0), doubleArrayOf(1.0, 2.0, 3.0).apply { reverse() })
assertArrayNotSameButEquals(charArrayOf('3', '2', '1'), charArrayOf('1', '2', '3').apply { reverse() })
assertArrayNotSameButEquals(booleanArrayOf(false, false, true), booleanArrayOf(true, false, false).apply { reverse() })
}
@test fun reversed() {
expect(listOf(3, 2, 1)) { intArrayOf(1, 2, 3).reversed() }
expect(listOf<Byte>(3, 2, 1)) { byteArrayOf(1, 2, 3).reversed() }