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50 lines
1.5 KiB
Swift
50 lines
1.5 KiB
Swift
//===--- SortLettersInPlace.swift -----------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// This test checks performance and correctness of Swift sortInPlace on an
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// array of letters.
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import TestsUtils
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public let benchmarks =
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BenchmarkInfo(
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name: "SortLettersInPlace",
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runFunction: run_SortLettersInPlace,
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tags: [.validation, .api, .algorithm, .String])
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class Letter {
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let value: String
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init(_ value: String) {
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self.value = value
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}
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}
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@inline(never)
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public func run_SortLettersInPlace(_ n: Int) {
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for _ in 1...100*n {
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var letters = [
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Letter("k"), Letter("a"), Letter("x"), Letter("i"), Letter("f"), Letter("l"),
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Letter("o"), Letter("w"), Letter("h"), Letter("p"), Letter("b"), Letter("u"),
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Letter("n"), Letter("c"), Letter("j"), Letter("t"), Letter("y"), Letter("s"),
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Letter("d"), Letter("v"), Letter("r"), Letter("e"), Letter("q"), Letter("m"),
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Letter("z"), Letter("g")
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]
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// Sort the letters in place.
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letters.sort {
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return $0.value < $1.value
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}
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// Check whether letters are sorted.
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check(letters[0].value <= letters[letters.count/2].value)
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}
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}
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