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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2014-2019 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import Basics
import struct TSCBasic.ByteString
import protocol TSCBasic.HashAlgorithm
public final class MockHashAlgorithm {
public typealias Handler = @Sendable (ByteString) -> ByteString
public let hashes = ThreadSafeArrayStore<ByteString>()
private let handler: Handler?
public init(handler: Handler? = nil) {
self.handler = handler
}
public func hash(_ hash: ByteString) -> ByteString {
if let handler = self.handler {
return handler(hash)
} else {
self.hashes.append(hash)
return ByteString(hash.contents.reversed())
}
}
}
extension MockHashAlgorithm: HashAlgorithm {}
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