swift-async-algorithms/Tests/AsyncAlgorithmsTests/TestDebounce.swift at main · apple/swift-async-algorithms · GitHub

Name: swift-async-algorithms/Tests/AsyncAlgorithmsTests/TestDebounce.swift at main · apple/swift-async-algorithms · GitHub
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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift Async Algorithms open source project
//
// Copyright (c) 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
//
//===----------------------------------------------------------------------===//

import XCTest
import AsyncAlgorithms

finalclassTestDebounce:XCTestCase{
func test_delayingValues()throws{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}
validate{
"abcd----e---f-g----|"
 $0.inputs[0].debounce(for:.steps(3), clock: $0.clock)
"------d----e-----g-|"
}
}

func test_delayingValues_dangling_last()throws{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}
validate{
"abcd----e---f-g-|"
 $0.inputs[0].debounce(for:.steps(3), clock: $0.clock)
"------d----e----[g|]"
}
}

func test_finishDoesntDebounce()throws{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}
validate{
"a|"
 $0.inputs[0].debounce(for:.steps(3), clock: $0.clock)
"-[a|]"
}
}

func test_throwDoesntDebounce()throws{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}
validate{
"a^"
 $0.inputs[0].debounce(for:.steps(3), clock: $0.clock)
"-^"
}
}

func test_noValues()throws{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}
validate{
"----|"
 $0.inputs[0].debounce(for:.steps(3), clock: $0.clock)
"----|"
}
}

func test_Rethrows()asyncthrows{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}

letdebounce=[1].async.debounce(for:.zero, clock:ContinuousClock())
forawait_in debounce {}

letthrowingDebounce=[1].async.map{trythrowOn(2, $0)}.debounce(for:.zero, clock:ContinuousClock())
fortryawait_in throwingDebounce {}
}

func test_debounce_when_cancelled()asyncthrows{
guard #available(macOS 13.0, iOS 16.0, watchOS 9.0, tvOS 16.0,*)else{
throwXCTSkip("Skipped due to Clock/Instant/Duration availability")
}

lett=Task{
try?awaitTask.sleep(nanoseconds:1_000_000_000)
letc1=Indefinite(value:"test1").async
forawait_in c1.debounce(for:.seconds(1), clock:.continuous){}
}
 t.cancel()
}
}