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35 lines
1.1 KiB
Swift
35 lines
1.1 KiB
Swift
//===--- NSDictionaryCastToSwift.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 - 2016 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 http://swift.org/LICENSE.txt for license information
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// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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// Performance benchmark for casting NSDictionary to Swift Dictionary
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// rdar://problem/18539730
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//
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// Description:
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// Create a NSDictionary instance and cast it to [String: NSObject].
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import Foundation
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import TestsUtils
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@inline(never)
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public func run_NSDictionaryCastToSwift(N: Int) {
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let NSDict = NSDictionary()
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var swiftDict = [String: NSObject]()
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for _ in 1...10000*N {
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swiftDict = NSDict as! [String: NSObject]
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if !swiftDict.isEmpty {
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break
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}
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}
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CheckResults(swiftDict.isEmpty,
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"Incorrect result in swiftDict.isEmpty: " +
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"\(swiftDict.isEmpty) != true\n")
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}
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