| //===--- Chars.swift ------------------------------------------------------===// |
| // |
| // This source file is part of the Swift.org open source project |
| // |
| // Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors |
| // Licensed under Apache License v2.0 with Runtime Library Exception |
| // |
| // See https://swift.org/LICENSE.txt for license information |
| // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // This test tests the performance of ASCII Character comparison. |
| import TestsUtils |
| |
| public let Chars = BenchmarkInfo( |
| name: "Chars", |
| runFunction: run_Chars, |
| tags: [.validation, .api, .String]) |
| |
| @inline(never) |
| public func run_Chars(_ N: Int) { |
| // Permute some characters. |
| let alphabet: [Character] = [ |
| "A", "B", "C", "D", "E", "F", "G", |
| "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", |
| "S", "T", "U", |
| "V", "W", "X", "Y", "Z", "/", "f", "Z", "z", "6", "7", "C", "j", "f", "9", |
| "g", "g", "I", "J", "K", "c", "x", "i", ".", |
| "2", "a", "t", "i", "o", "e", "q", "n", "X", "Y", "Z", "?", "m", "Z", "," |
| ] |
| |
| for _ in 0...N { |
| for firstChar in alphabet { |
| for middleChar in alphabet { |
| for lastChar in alphabet { |
| _ = ((firstChar == middleChar) != (middleChar < lastChar)) |
| } |
| } |
| } |
| } |
| } |
