mirror of
https://github.com/apple/swift.git
synced 2025-12-14 20:36:38 +01:00
42 lines
1.3 KiB
Swift
42 lines
1.3 KiB
Swift
//===--- NSDictionaryCastToSwift.swift ------------------------------------===//
|
|
//
|
|
// This source file is part of the Swift.org open source project
|
|
//
|
|
// Copyright (c) 2014 - 2021 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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// Performance benchmark for casting NSDictionary to Swift Dictionary
|
|
// rdar://problem/18539730
|
|
//
|
|
// Description:
|
|
// Create an NSDictionary instance and cast it to [String: NSObject].
|
|
import Foundation
|
|
import TestsUtils
|
|
|
|
public let benchmarks =
|
|
BenchmarkInfo(
|
|
name: "NSDictionaryCastToSwift",
|
|
runFunction: run_NSDictionaryCastToSwift,
|
|
tags: [.validation, .api, .Dictionary, .bridging],
|
|
legacyFactor: 10)
|
|
|
|
@inline(never)
|
|
public func run_NSDictionaryCastToSwift(_ n: Int) {
|
|
#if _runtime(_ObjC)
|
|
let nsdict = NSDictionary()
|
|
var swiftDict = [String: NSObject]()
|
|
for _ in 1...1_000*n {
|
|
swiftDict = nsdict as! [String: NSObject]
|
|
if !swiftDict.isEmpty {
|
|
break
|
|
}
|
|
}
|
|
check(swiftDict.isEmpty)
|
|
#endif
|
|
}
|