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How to use test method of io.kotest.matchers.short.short class

Best Kotest code snippet using io.kotest.matchers.short.short.test

UrlControllerTest.kt

Source:UrlControllerTest.kt

...9import com.falcon.falcon.core.usecase.url.deleteshortenurl.DeleteShortenedUrl10import com.falcon.falcon.core.usecase.url.shortenurl.UrlShortener11import com.falcon.falcon.core.usecase.urlredirect.history.UrlRedirectHistoryUseCase12import com.falcon.falcon.validate13import io.kotest.matchers.collections.shouldBeEmpty14import io.kotest.matchers.ints.shouldBeExactly15import io.kotest.matchers.nulls.shouldBeNull16import io.kotest.matchers.shouldBe17import io.kotest.matchers.types.shouldBeTypeOf18import io.mockk.*19import org.junit.jupiter.api.BeforeEach20import org.junit.jupiter.api.Nested21import org.junit.jupiter.api.Test22import org.junit.jupiter.api.TestInstance23import org.junit.jupiter.api.extension.ExtensionContext24import org.junit.jupiter.params.ParameterizedTest25import org.junit.jupiter.params.provider.Arguments26import org.junit.jupiter.params.provider.ArgumentsProvider27import org.junit.jupiter.params.provider.ArgumentsSource28import org.springframework.http.HttpStatus29import org.springframework.http.ResponseEntity30import org.springframework.security.core.Authentication31import java.time.Instant32import java.util.stream.Stream33import javax.servlet.http.HttpServletRequest34@TestInstance(TestInstance.Lifecycle.PER_CLASS)35class UrlControllerTest {36    private val randomShortUrlUseCase: UrlShortener = mockk()37    private val customShortUrlUseCase: UrlShortener = mockk()38    private val getUserUrlsUseCase: GetUserUrlsUseCase = mockk()39    private val urlRedirectHistoryUseCase: UrlRedirectHistoryUseCase = mockk()40    private val servletRequest: HttpServletRequest = spyk()41    private val deleteShortenedUrlUseCase: DeleteShortenedUrl = mockk()42    private val authentication: Authentication = mockk()43    private val controller = UrlController(44        randomShortUrlUseCase,45        customShortUrlUseCase,46        deleteShortenedUrlUseCase,47        urlRedirectHistoryUseCase,48        getUserUrlsUseCase49    )50    @BeforeEach51    fun init() {52        clearAllMocks()53    }54    @Nested55    inner class ShortenToRandomUrl {56        @Test57        fun `Should convert then return ResponseEntity of ShortenUrlResponse with HttpStatus CREATED`() {58            // Given59            val request = CreationUtils.buildRandomShortenUrlRequest()60            val user = User("dummy-user", "dummy-password")61            val expectedRequest = Url(longUrl = request.longUrl!!, type = UrlType.RANDOM, expirationDate = null)62            val expectedResponse = CreationUtils.buildShortenUrlResponse()63            every {64                randomShortUrlUseCase.execute(65                    expectedRequest,66                    user67                )68            } returns Url(shortUrl = expectedResponse.shortUrl)69            every { authentication.principal } returns UserDetailsImpl(user)70            every { servletRequest.requestURL } returns StringBuffer("dummy")71            every { servletRequest.requestURI } returns "dummy"72            // When73            val result = controller.shortenToRandomUrl(request, authentication, servletRequest)74            // Then75            verify(exactly = 1) { randomShortUrlUseCase.execute(request.toDomain(), user) }76            result.statusCode.shouldBe(HttpStatus.CREATED)77            result.body!!.shortUrl.shouldBe("/${expectedResponse.shortUrl}")78            result.shouldBeTypeOf<ResponseEntity<ShortenUrlResponse>>()79        }80    }81    @Nested82    inner class ShortenToCustomUrl {83        @Test84        fun `Should convert then return ResponseEntity of ShortenUrlResponse with HttpStatus CREATED`() {85            // Given86            val request = CreationUtils.buildCustomShortenUrlRequest()87            val expectedRequest =88                Url(shortUrl = request.customUrl!!, longUrl = request.longUrl!!, type = UrlType.CUSTOM)89            val expectedResponse = CreationUtils.buildShortenUrlResponse()90            val user = User("dummy-username", "dummy-password")91            every { customShortUrlUseCase.execute(expectedRequest, user) } returns92                    Url(shortUrl = expectedResponse.shortUrl)93            every { authentication.principal } returns UserDetailsImpl(user)94            every { servletRequest.requestURL } returns StringBuffer("dummy")95            every { servletRequest.requestURI } returns "dummy"96            // When97            val result = controller.shortenToCustomUrl(request, authentication, servletRequest)98            // Then99            verify(exactly = 1) { customShortUrlUseCase.execute(request.toDomain(), user) }100            result.statusCode.shouldBe(HttpStatus.CREATED)101            result.body!!.shortUrl.shouldBe("/${expectedResponse.shortUrl}")102            result.shouldBeTypeOf<ResponseEntity<ShortenUrlResponse>>()103        }104    }105    @Nested106    inner class DeleteShortenedLongUrl {107        @Test108        fun `Should convert then return ResponseEntity of Void with HttpStatus NO_CONTENT`() {109            // Given110            val request = "this-is-a-shortened-url"111            val user = User("dummy-username", "dummy-password")112            justRun { deleteShortenedUrlUseCase.execute(request, user) }113            every { authentication.principal } returns UserDetailsImpl(user)114            // When115            val result = controller.deleteShortenedUrl(request, authentication)116            // Then117            verify(exactly = 1) { deleteShortenedUrlUseCase.execute(request, user) }118            result.statusCode.shouldBe(HttpStatus.NO_CONTENT)119            result.body.shouldBeNull()120            result.shouldBeTypeOf<ResponseEntity<Void>>()121        }122    }123    @Nested124    inner class GetUrlsByUsername {125        @Test126        fun `Get empty list of urls by token valid`() {127            val user = User("dummy-username", "dummy-password")128            every { authentication.principal } returns UserDetailsImpl(user)129            every { getUserUrlsUseCase(any()) } returns emptyList()130            val result = controller.getUrlByUser(authentication, servletRequest)131            verify(exactly = 1) {getUserUrlsUseCase.invoke(any())}132            result.statusCode.shouldBe(HttpStatus.OK)133            result.body.shouldBeEmpty()134        }135        @Test136        fun `Get list of urls by token valid`() {137            val user = User("dummy-username", "dummy-password")138            every { authentication.principal } returns UserDetailsImpl(user)139            every { getUserUrlsUseCase(any()) } returns arrayListOf(Url("test","test","test", UrlType.RANDOM, Instant.now()))140            val result = controller.getUrlByUser(authentication, servletRequest)141            verify(exactly = 1) {getUserUrlsUseCase.invoke(any())}142            result.statusCode.shouldBe(HttpStatus.OK)143            result.body!!.size.shouldBe(1)144        }145    }146    @ParameterizedTest147    @ArgumentsSource(RandomShortenUrlRequestProvider::class)148    fun `Should validate RandomShortenUrlRequest correctly`(candidate: ValidateBeans<RandomShortenUrlRequest>) {149        candidate.input.validate().size.shouldBeExactly(candidate.errorsExpected)150    }151    @ParameterizedTest152    @ArgumentsSource(CustomShortenUrlRequestProvider::class)153    fun `Should validate CustomShortenUrlRequest correctly`(candidate: ValidateBeans<CustomShortenUrlRequest>) {...

UrlDataProviderImplTest.kt

Source:UrlDataProviderImplTest.kt

1package com.falcon.falcon.dataprovider.persistence.url2import com.falcon.falcon.core.entity.Url3import com.falcon.falcon.core.enumeration.UrlType4import io.kotest.matchers.booleans.shouldBeFalse5import io.kotest.matchers.booleans.shouldBeTrue6import io.kotest.matchers.nulls.shouldNotBeNull7import io.kotest.matchers.shouldBe8import io.kotest.matchers.types.shouldBeTypeOf9import io.mockk.clearAllMocks10import io.mockk.every11import io.mockk.justRun12import io.mockk.mockk13import io.mockk.verify14import org.junit.jupiter.api.BeforeEach15import org.junit.jupiter.api.Nested16import org.junit.jupiter.api.Test17import org.junit.jupiter.api.TestInstance18@TestInstance(TestInstance.Lifecycle.PER_CLASS)19class UrlDataProviderImplTest {20    private val repository: UrlRepository = mockk()21    private val provider: UrlDataProvider = UrlDataProviderImpl(repository)22    @BeforeEach23    fun init() {24        clearAllMocks()25    }26    @Nested27    inner class Save {28        @Test29        fun `Should convert before sending to repository and returning`() {30            // Given31            val shortUrl = "dummy-url"32            val longUrl = "long-url"33            val user = "user"34            val urlType = UrlType.RANDOM35            val request = Url(shortUrl, longUrl, user, urlType, expirationDate = null)36            val expectedRequest = UrlEntity(shortUrl, longUrl, user, urlType)37            every { repository.save(expectedRequest) } returns expectedRequest38            // When39            val result = provider.save(request)40            // Then41            verify(exactly = 1) { repository.save(expectedRequest) }42            result.shouldBeTypeOf<Url>()43        }44    }45    @Nested46    inner class UrlAlreadyExists {47        @Test48        fun `Should return true if exists by ID`() {49            // Given50            val request = "dummy-url"51            every { repository.existsById(request) } returns true52            // When53            val result = provider.urlAlreadyExists(request)54            // Then55            verify(exactly = 1) { repository.existsById(request) }56            result.shouldBeTrue()57        }58        @Test59        fun `Should return false if does not exist by ID`() {60            // Given61            val request = "dummy-url"62            every { repository.existsById(request) } returns false63            // When64            val result = provider.urlAlreadyExists(request)65            // Then66            verify(exactly = 1) { repository.existsById(request) }67            result.shouldBeFalse()68        }69    }70    @Nested71    inner class Delete {72        @Test73        fun `Should convert before sending to repository and return Unit`() {74            // Given75            val shortUrl = "dummy-url"76            val longUrl = "long-url"77            val user = "user"78            val urlType = UrlType.RANDOM79            val request = Url(shortUrl, longUrl, user, urlType, expirationDate = null)80            val expectedRequest = UrlEntity(shortUrl, longUrl, user, urlType)81            justRun { repository.delete(expectedRequest) }82            // When83            val result = provider.delete(request)84            // Then85            verify(exactly = 1) { repository.delete(expectedRequest) }86            result.shouldBeTypeOf<Unit>()87        }88    }89    @Nested90    inner class GetByShortUrl {91        @Test92        fun `Should convert and return if url exists`() {93            // Given94            val shortUrl = "dummy-url"95            val longUrl = "long-url"96            val user = "user"97            val urlType = UrlType.RANDOM98            val response = UrlEntity(shortUrl, longUrl, user, urlType)99            val expectedResponse = Url(shortUrl, longUrl, user, urlType, expirationDate = null)100            every { repository.findByShortUrl(shortUrl) } returns response101            // When102            val result = provider.getByShortUrl(shortUrl)103            // Then104            verify(exactly = 1) { repository.findByShortUrl(shortUrl) }105            result.shouldBe(expectedResponse)106        }107        @Test108        fun `Should return null if url does not exist`() {109            // Given110            val shortUrl = "dummy-url"111            every { repository.findByShortUrl(shortUrl) } returns null112            // When113            val result = provider.getByShortUrl(shortUrl)114            // Then115            verify(exactly = 1) { repository.findByShortUrl(shortUrl) }116            result.shouldBe(null)117        }118    }119    @Nested120    inner class GetByShortUrlAndUserIdentifier {121        @Test122        fun `Should return null if url and user exist`() {123            // Given124            val shortUrl = "dummy-url"125            val userIdentifier = "test"126            val urlEntity = UrlEntity("", "", "", UrlType.RANDOM, 1)127            every { repository.findByShortUrlAndUserIdentifier(shortUrl, userIdentifier) } returns urlEntity128            // When129            val result = provider.getByShortUrlAndUserIdentifier(shortUrl, userIdentifier)130            // Then131            verify(exactly = 1) { repository.findByShortUrlAndUserIdentifier(shortUrl, userIdentifier) }132            result.shouldNotBeNull()133        }134        @Test135        fun `Should return null if url and user does not exist`() {136            // Given137            val shortUrl = "dummy-url"138            val userIdentifier = "test"139            every { repository.findByShortUrlAndUserIdentifier(shortUrl, userIdentifier) } returns null140            // When141            val result = provider.getByShortUrlAndUserIdentifier(shortUrl, userIdentifier)142            // Then143            verify(exactly = 1) { repository.findByShortUrlAndUserIdentifier(shortUrl, userIdentifier) }144            result.shouldBe(null)145        }146        @Nested147        inner class GetAllUrlsByUserIdentifier {148            @Test149            fun `Should return null if user exist`() {150                // Given151                val userIdentifier = "test"152                val urlEntity = UrlEntity("", "", "", UrlType.RANDOM, 1)153                val list = listOf(urlEntity)154                every { repository.findAllByUserIdentifier(userIdentifier) } returns list155                // When156                val result = provider.getAllUrlsByUserIdentifier(userIdentifier)157                // Then158                verify(exactly = 1) { repository.findAllByUserIdentifier(userIdentifier) }159                result.shouldNotBeNull()160            }161            @Test162            fun `Should return null if user does not exist`() {163                // Given164                val userIdentifier = "test"165                every { repository.findAllByUserIdentifier(userIdentifier) } returns emptyList()166                // When167                val result = provider.getAllUrlsByUserIdentifier(userIdentifier)168                // Then169                verify(exactly = 1) { repository.findAllByUserIdentifier(userIdentifier) }170                result.size.shouldBe(0)171            }172        }173    }174}...

AttemptTest.kt

Source:AttemptTest.kt

...5import com.domingoslatorre.teacherbot.teacherbotdiscord.modules.quiz.question.ShortAnswer6import com.domingoslatorre.teacherbot.teacherbotdiscord.modules.quiz.question.ShortQuestion7import com.domingoslatorre.teacherbot.teacherbotdiscord.modules.quiz.question.TrueFalseAnswer8import com.domingoslatorre.teacherbot.teacherbotdiscord.modules.quiz.question.TrueFalseQuestion9import io.kotest.core.spec.style.StringSpec10import io.kotest.matchers.booleans.shouldBeFalse11import io.kotest.matchers.booleans.shouldBeTrue12import io.kotest.matchers.collections.shouldHaveSize13import io.kotest.matchers.nulls.shouldBeNull14import io.kotest.matchers.nulls.shouldNotBeNull15import io.kotest.matchers.shouldBe16class AttemptTest : StringSpec({17    "Create a quiz attempt" {18        val member1 = MemberFactory.member1()19        val question1 = ShortQuestion(20            text = "One plus one equals to ____",21            answers = ShortAnswer(setOf("dois", "2", "two"), "Correct!", true)22        )23        val question2 = TrueFalseQuestion(24            text = "One plus one equals to two",25            answers = listOf(26                TrueFalseAnswer(true, "Correct!", true),27                TrueFalseAnswer(false, "False!", false)28            )29        )...

RoomsKtTest.kt

Source:RoomsKtTest.kt

1package com.tylerkindy.betrayal.db2import com.tylerkindy.betrayal.Direction3import io.kotest.assertions.throwables.shouldThrow4import io.kotest.core.spec.style.DescribeSpec5import io.kotest.matchers.collections.shouldBeEmpty6import io.kotest.matchers.collections.shouldContainExactlyInAnyOrder7import io.kotest.matchers.should8import io.kotest.matchers.shouldBe9import io.kotest.property.Arb10import io.kotest.property.Exhaustive11import io.kotest.property.arbitrary.ShortShrinker12import io.kotest.property.arbitrary.arbitrary13import io.kotest.property.arbitrary.enum14import io.kotest.property.arbitrary.set15import io.kotest.property.checkAll16import io.kotest.property.exhaustive.ints17import io.kotest.property.exhaustive.map18import io.kotest.property.forAll19import org.jetbrains.exposed.sql.insert20import org.jetbrains.exposed.sql.select21import org.jetbrains.exposed.sql.selectAll22import org.jetbrains.exposed.sql.transactions.transaction23import kotlin.random.nextInt24val directionSets = Arb.set(Arb.enum<Direction>(), 0..Direction.values().size)25val rotations = Exhaustive.ints(0..3).map { it.toShort() }26val invalidRotationValues = (Short.MIN_VALUE..Short.MAX_VALUE) - (0..3)27val invalidRotations = arbitrary(listOf(Short.MIN_VALUE, -1, 4, Short.MAX_VALUE), ShortShrinker) {28    it.random.nextInt(invalidRotationValues.indices).let { i -> invalidRotationValues[i] }.toShort()29}30class RoomsKtTest : DescribeSpec({31    useDatabase()32    describe("returnRoomToStack") {...

RandomShortUrlUseCaseTest.kt

Source:RandomShortUrlUseCaseTest.kt

...4import com.falcon.falcon.core.enumeration.UrlType5import com.falcon.falcon.core.enumeration.UserType6import com.falcon.falcon.core.exception.ShortenUrlLimitExceededException7import com.falcon.falcon.dataprovider.persistence.url.UrlDataProvider8import io.kotest.assertions.throwables.shouldThrowExactly9import io.kotest.matchers.ints.shouldBeExactly10import io.kotest.matchers.shouldBe11import io.kotest.matchers.types.shouldBeTypeOf12import io.mockk.clearAllMocks13import io.mockk.every14import io.mockk.mockk15import io.mockk.spyk16import io.mockk.verify17import org.junit.jupiter.api.BeforeEach18import org.junit.jupiter.api.Nested19import org.junit.jupiter.api.Test20import org.junit.jupiter.api.TestInstance21@TestInstance(TestInstance.Lifecycle.PER_CLASS)22class RandomShortUrlUseCaseTest {23    private val urlDataProvider: UrlDataProvider = mockk()24    private val useCase = spyk(RandomShortUrlUseCase(urlDataProvider, 1))25    @BeforeEach...

ResolversTest.kt

Source:ResolversTest.kt

1package org.tesserakt.diskordin.commands.resolver2import arrow.core.Either3import arrow.core.sequenceEither4import io.kotest.assertions.arrow.core.shouldBeLeft5import io.kotest.assertions.arrow.core.shouldBeRight6import io.kotest.core.spec.style.FunSpec7import io.kotest.matchers.collections.shouldContainInOrder8import io.kotest.matchers.should9import io.kotest.matchers.shouldBe10import io.kotest.matchers.types.beOfType11import io.kotest.property.Arb12import io.kotest.property.Gen13import io.kotest.property.PropertyTesting14import io.kotest.property.RandomSource15import io.kotest.property.arbitrary.string16import io.kotest.property.arbitrary.stringPattern17import io.kotest.property.exhaustive.exhaustive18import org.tesserakt.diskordin.commands.CommandContext19import org.tesserakt.diskordin.core.data.DeferredIdentified20import org.tesserakt.diskordin.core.data.EagerIdentified21import org.tesserakt.diskordin.core.entity.IMessage22import org.tesserakt.diskordin.core.entity.IMessageChannel23import org.tesserakt.diskordin.core.entity.IUser24import java.math.BigDecimal25import java.math.BigInteger26class ResolversTest : FunSpec() {27    private val testCount = PropertyTesting.defaultIterationCount.coerceAtMost(256)28    private suspend fun <T : Any, C : CommandContext> test(29        resolver: TypeResolver<T, C>,30        badInput: Gen<String>,31        goodInput: Gen<String>,32        ctx: C33    ): Pair<Either<ParseError, List<T>>, Either<ParseError, List<T>>> {34        val badResult = badInput.generate(RandomSource.default())35            .take(testCount).toList().map { resolver.parse(ctx, it.value) }.sequenceEither()36        val goodResult = goodInput.generate(RandomSource.default())37            .take(testCount).toList().map { resolver.parse(ctx, it.value) }.sequenceEither()38        return badResult to goodResult39    }40    init {41        val fakeContext = object : CommandContext {42            override val message: EagerIdentified<IMessage>43                get() = error("Fake")44            override val author: EagerIdentified<IUser>45                get() = error("Fake")46            override val commandArgs: Array<String>47                get() = error("Fake")48            override val channel: DeferredIdentified<IMessageChannel>49                get() = error("Fake")50        }51        test("Boolean resolver") {52            val bad = Arb.string(0, 100)53            val good = listOf("true", "TRuE", "FalSe", "false").exhaustive()54            val (fail, success) = test(BooleanResolver(), bad, good, fakeContext)55            fail.shouldBeLeft() should beOfType<BooleanResolver.BooleanConversionError>()56            success.shouldBeRight() shouldContainInOrder listOf(true, true, false, false)57        }58        test("String resolver") {59            val bad = Arb.string(0..100)60            val good = Arb.string(0..100)61            val (fail, success) = test(StringResolver(), bad, good, fakeContext)62            fail.shouldBeRight()63            success.shouldBeRight()64        }65        test("Char resolver") {66            val bad = Arb.string(2..100)67            val good = Arb.stringPattern(".")68            val (fail, success) = test(CharResolver(), bad, good, fakeContext)69            fail.shouldBeLeft() shouldBe beOfType<CharResolver.LengthError>()70            success.shouldBeRight()71        }72        context("Number resolvers") {73            fun generateNumberValues(maxSize: Int) =74                Arb.stringPattern("-?\\d{1,$maxSize}")75            suspend fun <N : Number> generateAndTest(maxValue: N, resolver: TypeResolver<N, CommandContext>) {76                val length = BigDecimal(maxValue.toString()).toPlainString().length - 177                println("Next length is $length")78                val bad = Arb.string(0, length)79                val (fail, success) = test(resolver, bad, generateNumberValues(length), fakeContext)80                fail.shouldBeLeft()81                success.shouldBeRight()82            }83            test("Int") { generateAndTest(Int.MAX_VALUE, IntResolver()) }84            test("Long") { generateAndTest(Long.MAX_VALUE, LongResolver()) }85            test("Short") { generateAndTest(Short.MAX_VALUE, ShortResolver()) }86            test("Byte") { generateAndTest(Byte.MAX_VALUE, ByteResolver()) }87            test("Float") { generateAndTest(Float.MAX_VALUE, FloatResolver()) }88            test("Double") { generateAndTest(Double.MAX_VALUE, DoubleResolver()) }89            test("BigInteger") { generateAndTest(BigInteger.valueOf(10).pow(1024), BigIntegerResolver()) }90            test("BigDecimal") { generateAndTest(BigDecimal(10).pow(1024), BigDecimalResolver()) }91        }92    }93}...

InMemoryMaltRepositoryTest.kt

Source:InMemoryMaltRepositoryTest.kt

...3import domain.malt.model.Malt4import domain.malt.model.MaltType5import domain.quantities.Percent6import fixtures.sampleMalt7import io.kotest.core.spec.style.ShouldSpec8import io.kotest.matchers.collections.shouldHaveSize9import io.kotest.matchers.maps.shouldHaveKeys10import io.kotest.matchers.maps.shouldHaveSize11import io.kotest.matchers.shouldBe12class InMemoryMaltRepositoryTest : ShouldSpec({13    val repoUnderTest = InMemoryMaltRepository()14    beforeEach {15        repoUnderTest.clear()16    }17    should("find malt by name") {18        // Given19        repoUnderTest.save(sampleMalt)20        repoUnderTest.save(21            sampleMalt.copy(22                name = "Munich II",23                type = MaltType.MUNICH,24                ebc = 25,25                bestFor = listOf(BeerType.DUBBEL, BeerType.BOCK),...

ValuedEnumLaws.kt

Source:ValuedEnumLaws.kt

1package org.tesserakt.diskordin.util.enums2import io.kotest.core.spec.style.FreeSpec3import io.kotest.core.spec.style.stringSpec4import io.kotest.inspectors.forAll5import io.kotest.matchers.booleans.shouldBeTrue6import io.kotest.matchers.collections.shouldNotContainDuplicates7import io.kotest.matchers.longs.shouldBeLessThanOrEqual8import org.tesserakt.diskordin.core.data.Permission9import org.tesserakt.diskordin.core.entity.IUser10import org.tesserakt.diskordin.core.entity.`object`.IActivity11import org.tesserakt.diskordin.gateway.shard.Intents12import org.tesserakt.diskordin.impl.util.typeclass.numeric13import org.tesserakt.diskordin.util.typeclass.Numeric14import java.util.*15class ValuedEnumLaws : FreeSpec({16    include("Permissions ", Long.numeric().testValuedEnum<Permission, Long>())17    include("Intents ", Short.numeric().testValuedEnum<Intents, Short>())18    include("User.Flags ", Int.numeric().testValuedEnum<IUser.Flags, Int>())19    include("Activity.Flags ", Short.numeric().testValuedEnum<IActivity.Flags, Short>())20})21fun <N> Numeric<N>.isPowerOf2(n: N): Boolean {22    tailrec fun f(init: N, input: N): Boolean = when {23        init > input -> false24        init < input -> f(init * 2.fromInt(), input)25        else -> true26    }27    return f(1.fromInt(), n)28}29inline fun <reified E, N : Any> Numeric<N>.testValuedEnum() where E : Enum<E>, E : IValued<E, N> = stringSpec {30    "All values should be power of two" {31        EnumSet.allOf(E::class.java)32            .map { it.code }.forAll { isPowerOf2(it).shouldBeTrue() }33    }34    "Sum of all codes should be less then MAX_VALUE" {35        EnumSet.allOf(E::class.java).map { it.code }36            .fold(zero) { acc, i -> acc + i }.toLong() shouldBeLessThanOrEqual maxValue.toLong()37    }38    "All values should be unique" {39        EnumSet.allOf(E::class.java).map { it.code }.shouldNotContainDuplicates()40    }41}...

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