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108 lines
2.6 KiB
Swift
108 lines
2.6 KiB
Swift
//===--- MirrorTest.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 measures performance of Mirror and related things.
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import TestsUtils
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public let benchmarks = [
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BenchmarkInfo(
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name: "TypeName",
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runFunction: run_TypeName,
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tags: [.api, .String]),
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BenchmarkInfo(
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name: "MirrorDefault",
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runFunction: run_MirrorDefault,
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tags: [.api, .String]),
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]
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struct S1 { var s: String; var d: Double }
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struct S2 { var i: Int; var a: [Range<Int>] }
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class C { var i: Int = 0 }
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class D: C { var s: String = "" }
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enum E {
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case a,b(Int)
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}
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struct G<T> { var t: T }
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class H<T>: C { var t: T; init(_ t: T) { self.t = t }}
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public func run_MirrorDefault(scale: Int) {
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let n = 100*scale
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let s1 = S1(s: "foo", d: 3.14)
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let s2 = S2(i: 42, a: [0..<4])
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let c = C()
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let d = D()
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let e = E.a
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let f = E.b(99)
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let g = G(t: 12.3)
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let h = H<[Int]>([1,2,3])
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var str = ""
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for _ in 0..<n {
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str = "\(s1),\(s2),\(c),\(d),\(e),\(f),\(g),\(h)"
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blackHole(str)
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}
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check(str ==
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"S1(s: \"foo\", d: 3.14),S2(i: 42, a: [Range(0..<4)]),MirrorTest.C,MirrorTest.D,a,b(99),G<Double>(t: 12.3),MirrorTest.H<Swift.Array<Swift.Int>>")
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}
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func typename<T>(of: T.Type) -> String {
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"\(T.self)"
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}
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public func run_TypeName(scale: Int) {
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let n = 1_000*scale
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var a: [String] = []
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a.reserveCapacity(16)
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for _ in 0..<n {
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a = []
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a.removeAll(keepingCapacity: true)
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a.append(typename(of: S1.self))
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a.append(typename(of: S2.self))
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a.append(typename(of: C.self))
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a.append(typename(of: D.self))
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a.append(typename(of: G<S1>.self))
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a.append(typename(of: G<C>.self))
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a.append(typename(of: G<String>.self))
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a.append(typename(of: H<Int>.self))
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a.append(typename(of: [S1].self))
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a.append(typename(of: [G<Int>].self))
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a.append(typename(of: [H<S1>].self))
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a.append(typename(of: S1?.self))
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a.append(typename(of: C?.self))
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blackHole(a)
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}
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let expected = ["S1",
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"S2",
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"C",
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"D",
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"G<S1>",
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"G<C>",
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"G<String>",
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"H<Int>",
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"Array<S1>",
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"Array<G<Int>>",
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"Array<H<S1>>",
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"Optional<S1>",
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"Optional<C>",
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]
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check(a == expected)
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}
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