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c4614a9208
StdlibUnittest uses gyb to avoid duplicating many source-context arguments. However, this means that any test that wishes to add new expect helpers has to also be gybbed. Given that this structure hasn't changed in years, and we should have a real language support eventually, de-gyb it.
33 lines
1.1 KiB
Swift
33 lines
1.1 KiB
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 - 2017 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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public func checkStrideable<S : Strideable>(
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instances: [S],
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distances: [S.Stride],
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distanceOracle: (Int, Int) -> S.Stride,
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_ message: @autoclosure () -> String = "",
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stackTrace: SourceLocStack = SourceLocStack(),
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showFrame: Bool = true,
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file: String = #file, line: UInt = #line
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) {
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for i in instances.indices {
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let first = instances[i]
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for j in instances.indices {
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let second = instances[j]
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expectEqual(distanceOracle(i, j), first.distance(to: second))
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expectEqual(second, first.advanced(by: distanceOracle(i, j)))
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}
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}
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}
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