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NSFastEnumerationState is not supported By Linux #30

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NSFastEnumerationState is not supported By Linux #30

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ade6ad2
Suspend countByEnumerating until NSFastEnumerationState is supported …
benoit-pereira-da-silva Jan 19, 2018
54fcafb
Preparing Codable Support
benoit-pereira-da-silva Jan 20, 2018
a031c58
Temporary Codable Support for List Waiting for SE-0143-conditional-co…
benoit-pereira-da-silva Jan 20, 2018
3ea8777
Suspended all the Tests waiting for SE-0143
benoit-pereira-da-silva Jan 20, 2018
2316b1a
Use an UnKeyed Container to encode/decode List _transitionalArray
benoit-pereira-da-silva Jan 21, 2018
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86 changes: 8 additions & 78 deletions BTree.xcodeproj/project.pbxproj
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -15,53 +15,20 @@
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Expand Down Expand Up @@ -124,12 +91,9 @@
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Expand Down Expand Up @@ -219,6 +183,7 @@
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Expand Down Expand Up @@ -357,6 +322,7 @@
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Expand Down Expand Up @@ -732,20 +698,8 @@
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Expand Down Expand Up @@ -800,23 +754,11 @@
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Expand Down Expand Up @@ -851,20 +793,8 @@
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Expand Down
8 changes: 8 additions & 0 deletions BTree.xcodeproj/xcshareddata/xcschemes/BTree-macOS.xcscheme
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,14 @@
BlueprintName = "Tests-Mac"
ReferencedContainer = "container:BTree.xcodeproj">
</BuildableReference>
<SkippedTests>
<Test
Identifier = "BridgedListTests">
</Test>
<Test
Identifier = "BridgedListTests/testListBaseline()">
</Test>
</SkippedTests>
</TestableReference>
</Testables>
<MacroExpansion>
Expand Down
3 changes: 3 additions & 0 deletions Sources/BridgedList.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,7 @@ internal class BridgedList<Value>: NSArray {
return BridgedListEnumerator(iterator: tree.makeIterator())
}

#if !os(Linux)
public override func countByEnumerating(with state: UnsafeMutablePointer<NSFastEnumerationState>, objects buffer: AutoreleasingUnsafeMutablePointer<AnyObject?>, count len: Int) -> Int {
precondition(MemoryLayout<(EmptyKey, Value)>.size == MemoryLayout<Value>.size)
precondition(MemoryLayout<(EmptyKey, Value)>.stride == MemoryLayout<Value>.stride)
Expand Down Expand Up @@ -83,4 +84,6 @@ internal class BridgedList<Value>: NSArray {
state.pointee = s
return 1
}
#endif

}
34 changes: 31 additions & 3 deletions Sources/List.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -25,20 +25,48 @@
/// (less than 5 levels for a billion elements), so with practical element counts, offset lookup typically
/// behaves more like `O(1)` than `O(log(count))`.
///
public struct List<Element> {

public struct List<Element:Codable>:Codable{

internal typealias Tree = BTree<EmptyKey, Element>

/// The B-tree that serves as storage.
internal fileprivate(set) var tree: Tree

internal init(_ tree: Tree) {
self.tree = tree
}

/// Initialize an empty list.
public init() {
self.tree = Tree()
}

fileprivate var _transitionalArray:Array<Element>{
set{
self.removeAll()
self.append(contentsOf: newValue)
}
get{
var array = Array<Element>()
array.append(contentsOf: self)
return array
}
}

public enum ListCodingKeys: String,CodingKey{
case _transitionalArray
}

public init(from decoder: Decoder) throws{
self.init()
var values = try decoder.unkeyedContainer()
self._transitionalArray = try values.decode(Array<Element>.self)
}

public func encode(to encoder: Encoder) throws {
var container = encoder.unkeyedContainer()
try container.encode(self._transitionalArray)
}
}

extension List {
Expand Down
28 changes: 28 additions & 0 deletions Tests/BTreeTests/BasicCodableTests.swift
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@@ -0,0 +1,28 @@
//
// BasicCodableTests.swift
// BTree
//
// Created by Benoit Pereira da silva on 20/01/2018.
// Copyright © 2018 Károly Lőrentey. All rights reserved.
//

import XCTest
@testable import BTree



class BasicCodableTests: XCTestCase {

func testEncodingDecodingList() {
do{
var list = List<Int>()
list.append(Int(666))
let data = try JSONEncoder().encode(list)
let list2 = try JSONDecoder().decode(List<Int>.self, from: data)
XCTAssert(list2.count == 1,"Should contain one element, current count\(list2.count)")
XCTAssert(list2[0] == 666)
}catch{
XCTFail("\(error)")
}
}
}