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* [ADD] Thread safe Set * [TEST] Thread safe contain and remove task --------- Co-authored-by: N'rick <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // | ||
| // File.swift | ||
| // | ||
| // | ||
| // Created by Jeanne Creantor, N'rick (Ordinateur) on 2024-06-04. | ||
| // | ||
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| import Foundation | ||
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| public class ThreadSafeSet<T: Hashable> { | ||
| private var set: Set<T> = [] | ||
| private let queue = DispatchQueue(label: "com.nuglif.safeThreadSet.\(T.self)", attributes: .concurrent) | ||
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| public init(set: Set<T> = []) { | ||
| self.set = set | ||
| } | ||
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| public func insert(_ newElement: T) { | ||
| queue.async(flags: .barrier) { | ||
| self.set.insert(newElement) | ||
| } | ||
| } | ||
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| public func remove(_ member: T) { | ||
| queue.async(flags: .barrier) { | ||
| self.set.remove(member) | ||
| } | ||
| } | ||
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| public func removeAll() { | ||
| queue.async(flags: .barrier) { | ||
| self.set.removeAll() | ||
| } | ||
| } | ||
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| public func contains(_ member: T) -> Bool { | ||
| queue.sync { set.contains(member) } | ||
| } | ||
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| public func first(where predicate: (T) -> Bool) -> T? { | ||
| queue.sync { set.first(where: predicate) } | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| // | ||
| // ThreadSafeSetTests.swift | ||
| // | ||
| // | ||
| // Created by Jeanne Creantor, N'rick (Ordinateur) on 2024-06-04. | ||
| // | ||
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| import XCTest | ||
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| import NGTools | ||
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| final class ThreadSafeSetTests: XCTestCase { | ||
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| func testConcurrencyInsertionAndRemove() { | ||
| let set = ThreadSafeSet<UUID>() | ||
| let expectation = XCTestExpectation(description: "Testing") | ||
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| let queueA = DispatchQueue(label: "TestQueueA", qos: .background) | ||
| let queueB = DispatchQueue(label: "TestQueueB", qos: .background) | ||
| let iterations = 1000 | ||
| let requests = Array(repeating: UUID(), count: iterations) | ||
| var completed = 0 | ||
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| requests.forEach { request in | ||
| queueA.async { set.insert(request) } | ||
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| queueB.async { | ||
| set.remove(request) | ||
| completed += 1 | ||
| if completed == iterations - 1 { | ||
| expectation.fulfill() | ||
| } | ||
| } | ||
| } | ||
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| wait(for: [expectation], timeout: 3) | ||
| } | ||
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| func testConcurrencyContainsAndRemove() { | ||
| let expectation = XCTestExpectation(description: "Testing") | ||
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| let queueA = DispatchQueue(label: "TestQueueA", qos: .background) | ||
| let queueB = DispatchQueue(label: "TestQueueB", qos: .background) | ||
| let iterations = 1000 | ||
| let requests = Array(repeating: UUID(), count: iterations) | ||
| let set = ThreadSafeSet<UUID>(set: Set(requests)) | ||
| var completed = 0 | ||
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| requests.forEach { request in | ||
| queueA.async { | ||
| _ = set.contains(request) | ||
| } | ||
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| queueB.async { | ||
| set.remove(request) | ||
| completed += 1 | ||
| if completed == iterations - 1 { | ||
| expectation.fulfill() | ||
| } | ||
| } | ||
| } | ||
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| wait(for: [expectation], timeout: 3) | ||
| } | ||
| } |