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76 lines
2.4 KiB
Swift
76 lines
2.4 KiB
Swift
//===--- StringReplaceSubrange.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 - 2019 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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import TestsUtils
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let tags: [BenchmarkCategory] = [.validation, .api, .String, .cpubench]
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public let benchmarks = [
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BenchmarkInfo(
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name: "String.replaceSubrange.String.Small",
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runFunction: { replaceSubrange($0, smallString, with: "t") },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.String",
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runFunction: { replaceSubrange($0, largeString, with: "t") },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.Substring.Small",
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runFunction: { replaceSubrange($0, smallString, with: "t"[...]) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.Substring",
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runFunction: { replaceSubrange($0, largeString, with: "t"[...]) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.ArrChar.Small",
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runFunction: { replaceSubrange($0, smallString, with: arrayCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.ArrChar",
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runFunction: { replaceSubrange($0, largeString, with: arrayCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.RepChar.Small",
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runFunction: { replaceSubrange($0, smallString, with: repeatedCharacter) },
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tags: tags
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),
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BenchmarkInfo(
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name: "String.replaceSubrange.RepChar",
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runFunction: { replaceSubrange($0, largeString, with: repeatedCharacter) },
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tags: tags
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),
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]
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let smallString = "coffee"
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let largeString = "coffee\u{301}coffeecoffeecoffeecoffee"
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let arrayCharacter = Array<Character>(["t"])
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let repeatedCharacter = repeatElement(Character("t"), count: 1)
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@inline(never)
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private func replaceSubrange<C: Collection>(
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_ n: Int, _ string: String, with newElements: C
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) where C.Element == Character {
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var copy = getString(string)
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let range = string.startIndex..<string.index(after: string.startIndex)
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for _ in 0 ..< 500 * n {
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copy.replaceSubrange(range, with: newElements)
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}
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}
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