How to use exist method of io.kotest.matchers.sequences.matchers class

Best Kotest code snippet using io.kotest.matchers.sequences.matchers.exist

TestProg8Parser.kt

Source:TestProg8Parser.kt Github

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...148 }149 }150 context("ImportDirectives") {151 test("should not be looked into by the parser") {152 val importedNoExt = Helpers.assumeNotExists(Helpers.fixturesDir, "i_do_not_exist")153 Helpers.assumeNotExists(Helpers.fixturesDir, "i_do_not_exist.p8")154 val text = "%import ${importedNoExt.name}"155 val module = parseModule(SourceCode.Text(text))156 module.statements.size shouldBe 1157 }158 }159 context("EmptySourcecode") {160 test("from an empty string should result in empty Module") {161 val module = parseModule(SourceCode.Text(""))162 module.statements.size shouldBe 0163 }164 test("from an empty file should result in empty Module") {165 val path = Helpers.assumeReadableFile(Helpers.fixturesDir, "ast_empty.p8")166 val module = parseModule(SourceCode.File(path))167 module.statements.size shouldBe 0...

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SequenceMatchersTest.kt

Source:SequenceMatchersTest.kt Github

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...349 succeed("when the sequence doesn't contain the value") {350 sparse.shouldNotContain(2)351 }352 }353 "exist" should {354 fail("for empty") {355 empty.shouldExist { true }356 }357 succeed("when always true") {358 single.shouldExist { true }359 }360 fail("when always false") {361 countup.shouldExist { false }362 }363 succeed("when matches at least one") {364 countdown.shouldExist { it % 5 == 4 }365 }366 fail("when matches none") {367 countdown.shouldExist { it > 20 }...

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matchers.kt

Source:matchers.kt Github

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...266 { "Sequence should contain more than $n elements" }267 )268}269infix fun <T> Sequence<T>.shouldHaveAtMostSize(n: Int) = this shouldHave atMostCount(n)270infix fun <T> Sequence<T>.shouldExist(p: (T) -> Boolean) = this should exist(p)271fun <T> exist(p: (T) -> Boolean) = object : Matcher<Sequence<T>> {272 override fun test(value: Sequence<T>) = MatcherResult(273 value.any { p(it) },274 { "Sequence should contain an element that matches the predicate $p" },275 { "Sequence should not contain an element that matches the predicate $p" }276 )277}278fun <T : Comparable<T>> Sequence<T>.shouldContainInOrder(vararg ts: T) =279 this should containsInOrder(ts.asSequence())280infix fun <T : Comparable<T>> Sequence<T>.shouldContainInOrder(expected: Sequence<T>) =281 this should containsInOrder(expected)282fun <T : Comparable<T>> Sequence<T>.shouldNotContainInOrder(expected: Sequence<T>) =283 this shouldNot containsInOrder(expected)284/** Assert that a sequence contains a given subsequence, possibly with values in between. */285fun <T> containsInOrder(subsequence: Sequence<T>): Matcher<Sequence<T>?> = neverNullMatcher { actual ->...

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DeviceRepositoryTestBase.kt

Source:DeviceRepositoryTestBase.kt Github

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1package de.igorakkerman.demo.deviceconfig.persistence2import de.igorakkerman.demo.deviceconfig.application.Computer3import de.igorakkerman.demo.deviceconfig.application.ComputerUpdate4import de.igorakkerman.demo.deviceconfig.application.DeviceAreadyExistsException5import de.igorakkerman.demo.deviceconfig.application.DeviceNotFoundException6import de.igorakkerman.demo.deviceconfig.application.DeviceRepository7import de.igorakkerman.demo.deviceconfig.application.Display8import de.igorakkerman.demo.deviceconfig.application.DisplayUpdate9import de.igorakkerman.demo.deviceconfig.application.Resolution10import io.kotest.assertions.throwables.shouldThrow11import io.kotest.matchers.collections.beEmpty12import io.kotest.matchers.collections.containExactlyInAnyOrder13import io.kotest.matchers.sequences.shouldExist14import io.kotest.matchers.should15import io.kotest.matchers.shouldBe16import org.junit.jupiter.api.Test17import org.springframework.transaction.annotation.Propagation18import org.springframework.transaction.annotation.Transactional19import javax.validation.ConstraintViolationException20@Transactional21abstract class DeviceRepositoryTestBase(22 private val deviceRepository: DeviceRepository,23) {24 private val computer = Computer(25 id = "pc-win10-0815",26 name = "workpc-0815",27 username = "root",28 password = "topsecret",29 ipAddress = "127.0.0.1",30 )31 private val display = Display(32 id = "screen-samsung4k-4711",33 name = "workscreen-4711",34 resolution = Resolution.UHD35 )36 @Test37 fun `create two Devices, findDeviceById should find the right one`() {38 // given39 deviceRepository.createDevice(computer)40 deviceRepository.createDevice(display)41 flushAndClear()42 // when43 val foundComputer = deviceRepository.findDeviceById(computer.id)44 val foundDisplay = deviceRepository.findDeviceById(display.id)45 // then46 foundComputer shouldBe computer47 foundDisplay shouldBe display48 }49 @Test50 fun `create Device, findDeviceById should not find by unknown id`() {51 // given52 deviceRepository.createDevice(computer)53 flushAndClear()54 // when / then55 shouldThrow<DeviceNotFoundException> {56 deviceRepository.findDeviceById(display.id)57 }58 }59 @Test60 fun `create two Devices, findDeviceTypeById should find the type`() {61 // given62 deviceRepository.createDevice(computer)63 deviceRepository.createDevice(display)64 flushAndClear()65 // when66 val foundDisplayType = deviceRepository.findDeviceTypeById(display.id)67 val foundComputerType = deviceRepository.findDeviceTypeById(computer.id)68 // then69 foundComputerType shouldBe Computer::class70 foundDisplayType shouldBe Display::class71 }72 @Test73 fun `creating two Devices of same type with the same id should throw Exception`() {74 // given75 deviceRepository.createDevice(computer)76 flushAndClear()77 // when/then78 shouldThrow<DeviceAreadyExistsException> {79 deviceRepository.createDevice(80 computer.copy(81 id = computer.id,82 name = "different name",83 username = "different username"84 )85 )86 flushAndClear()87 }88 }89 @Test90 fun `creating two Devices of different type with the same id should throw Exception`() {91 // given92 deviceRepository.createDevice(computer)93 flushAndClear()94 // when/then95 shouldThrow<DeviceAreadyExistsException> {96 deviceRepository.createDevice(97 display.copy(98 id = computer.id99 )100 )101 flushAndClear()102 }103 }104 @Test105 fun `create, then update data of Computer, findDeviceById should return updated values`() {106 // given107 deviceRepository.createDevice(computer)108 flushAndClear()109 val computerUpdate = ComputerUpdate(110 name = "deskscreen-0815",111 ipAddress = "192.168.178.111"112 )113 // when114 deviceRepository.updateDevice(computer.id, computerUpdate)115 flushAndClear()116 // then117 val foundDevice = deviceRepository.findDeviceById(computer.id)118 foundDevice shouldBe computer.copy(119 name = computerUpdate.name!!,120 ipAddress = computerUpdate.ipAddress!!121 )122 }123 @Test124 fun `create, then update data of Display, findDeviceById should return updated values`() {125 // given126 deviceRepository.createDevice(display)127 flushAndClear()128 val displayUpdate = DisplayUpdate(129 name = "deskscreen-0815",130 resolution = Resolution.HD131 )132 // when133 deviceRepository.updateDevice(display.id, displayUpdate)134 flushAndClear()135 // then136 val foundDevice = deviceRepository.findDeviceById(display.id)137 foundDevice shouldBe display.copy(138 name = displayUpdate.name!!,139 resolution = displayUpdate.resolution!!140 )141 }142 @Test143 fun `update data in unknown device should throw Exception`() {144 // given145 // empty database146 // when/then147 shouldThrow<DeviceNotFoundException> {148 deviceRepository.updateDevice("unknown-id", DisplayUpdate())149 }150 }151 @Test152 fun `create, then replace Computer, findDeviceById should return updated values`() {153 // given154 deviceRepository.createDevice(computer)155 flushAndClear()156 // when157 val updatedComputer = computer.copy(158 name = "deskpc-0815",159 ipAddress = "34.245.198.211"160 )161 deviceRepository.replaceDevice(updatedComputer)162 flushAndClear()163 // then164 val foundDevice = deviceRepository.findDeviceById(computer.id)165 foundDevice shouldBe updatedComputer166 }167 @Test168 fun `create, then replace Display, findDeviceById should return updated values`() {169 // given170 deviceRepository.createDevice(display)171 flushAndClear()172 val updatedDisplay = display.copy(173 name = "deskscreen-0815",174 resolution = Resolution.HD175 )176 // when177 deviceRepository.replaceDevice(updatedDisplay)178 flushAndClear()179 // then180 val foundDevice = deviceRepository.findDeviceById(display.id)181 foundDevice shouldBe updatedDisplay182 }183 @Test184 fun `replace unknown device should throw Exception`() {185 // given186 // empty database187 // when/then188 shouldThrow<DeviceNotFoundException> {189 deviceRepository.replaceDevice(display.copy(id = "unknown-id"))190 }191 }192 @Test193 fun `create two Devices, findAllDevices should find both Devices`() {194 // given195 deviceRepository.createDevice(computer)196 deviceRepository.createDevice(display)197 flushAndClear()198 // when199 val foundDevices = deviceRepository.findAllDevices()200 // then201 foundDevices should containExactlyInAnyOrder(computer, display)202 }203 @Test204 fun `in empty database, findAllDevices should return empty list`() {205 // given206 // empty database207 // when208 val foundDevices = deviceRepository.findAllDevices()209 // then210 foundDevices should beEmpty()211 }212 @Test213 // allow catching TransactionException from repository transaction214 // alternative: run non-transactional, that is, outside a @DataJpaTest or @Transactional-annotated class215 @Transactional(propagation = Propagation.SUPPORTS)216 fun `ip address should have IPv4 format`() {217 // A bad ip address should not even make it to the application layer (or the persistence layer).218 // This test makes sure that if for some reason the prior level checks fail,219 // the item is not persisted and the persistence layer responds with some kind of Exception,220 // that has, at some point down the cause stack, a ConstraintViolationException.221 // The actual Exception type or the level of exceptions are implementation details and not part of the test.222 // given223 val newComputer = computer.copy(224 ipAddress = "::1"225 )226 // when/then227 val thrown: Throwable = shouldThrow<Exception> {228 deviceRepository.createDevice(newComputer)229 }230 generateSequence(thrown) { it.cause } shouldExist { it is ConstraintViolationException }231 }232 protected abstract fun flushAndClear()233}...

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size.kt

Source:size.kt Github

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1package io.kotest.matchers.collections2import io.kotest.assertions.print.print3import io.kotest.inspectors.forAny4import io.kotest.matchers.Matcher5import io.kotest.matchers.MatcherResult6import io.kotest.matchers.sequences.shouldExist7import io.kotest.matchers.should8import io.kotest.matchers.shouldBe9import io.kotest.matchers.shouldHave10import io.kotest.matchers.shouldNot11infix fun <T> Iterable<T>.shouldHaveSize(size: Int): Iterable<T> {12 toList().shouldHaveSize(size)13 return this14}15infix fun <T> Array<T>.shouldHaveSize(size: Int): Array<T> {16 asList().shouldHaveSize(size)17 return this18}19infix fun <T> Collection<T>.shouldHaveSize(size: Int): Collection<T> {20 this should haveSize(size = size)21 return this22}23infix fun <T> Iterable<T>.shouldNotHaveSize(size: Int): Iterable<T> {24 toList().shouldNotHaveSize(size)25 return this26}27infix fun <T> Array<T>.shouldNotHaveSize(size: Int): Array<T> {28 asList().shouldNotHaveSize(size)29 return this30}31infix fun <T> Collection<T>.shouldNotHaveSize(size: Int): Collection<T> {32 this shouldNot haveSize(size)33 return this34}35infix fun <T, U> Iterable<T>.shouldBeSameSizeAs(other: Collection<U>): Iterable<T> {36 toList().shouldBeSameSizeAs(other)37 return this38}39infix fun <T, U> Array<T>.shouldBeSameSizeAs(other: Collection<U>): Array<T> {40 asList().shouldBeSameSizeAs(other)41 return this42}43infix fun <T, U> Iterable<T>.shouldBeSameSizeAs(other: Iterable<U>): Iterable<T> {44 toList().shouldBeSameSizeAs(other.toList())45 return this46}47infix fun <T, U> Array<T>.shouldBeSameSizeAs(other: Array<U>): Array<T> {48 asList().shouldBeSameSizeAs(other.asList())49 return this50}51infix fun <T, U> Collection<T>.shouldBeSameSizeAs(other: Collection<U>): Collection<T> {52 this should beSameSizeAs(other)53 return this54}55fun <T, U> beSameSizeAs(other: Collection<U>) = object : Matcher<Collection<T>> {56 override fun test(value: Collection<T>) = MatcherResult(57 value.size == other.size,58 { "Collection of size ${value.size} should be the same size as collection of size ${other.size}" },59 { "Collection of size ${value.size} should not be the same size as collection of size ${other.size}" })60}61infix fun <T> Iterable<T>.shouldHaveAtLeastSize(n: Int): Iterable<T> {62 toList().shouldHaveAtLeastSize(n)63 return this64}65infix fun <T> Array<T>.shouldHaveAtLeastSize(n: Int): Array<T> {66 asList().shouldHaveAtLeastSize(n)67 return this68}69infix fun <T> Collection<T>.shouldHaveAtLeastSize(n: Int): Collection<T> {70 this shouldHave atLeastSize(n)71 return this72}73fun <T> atLeastSize(n: Int) = object : Matcher<Collection<T>> {74 override fun test(value: Collection<T>) = MatcherResult(75 value.size >= n,76 { "Collection ${value.print().value} should contain at least $n elements" },77 {78 "Collection ${value.print().value} should contain less than $n elements"79 })80}81infix fun <T> Iterable<T>.shouldHaveAtMostSize(n: Int): Iterable<T> {82 toList().shouldHaveAtMostSize(n)83 return this84}85infix fun <T> Array<T>.shouldHaveAtMostSize(n: Int): Array<T> {86 asList().shouldHaveAtMostSize(n)87 return this88}89infix fun <T> Collection<T>.shouldHaveAtMostSize(n: Int): Collection<T> {90 this shouldHave atMostSize(n)91 return this92}93fun <T> atMostSize(n: Int) = object : Matcher<Collection<T>> {94 override fun test(value: Collection<T>) = MatcherResult(95 value.size <= n,96 { "Collection ${value.print().value} should contain at most $n elements" },97 {98 "Collection ${value.print().value} should contain more than $n elements"99 })100}101fun <T> haveSizeMatcher(size: Int) = object : Matcher<Collection<T>> {102 override fun test(value: Collection<T>) =103 MatcherResult(104 value.size == size,105 { "Collection should have size $size but has size ${value.size}. Values: ${value.print().value}" },106 { "Collection should not have size $size. Values: ${value.print().value}" }107 )108}...

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FileReaderTest.kt

Source:FileReaderTest.kt Github

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...24 shouldContain("Hello World!")25 }26 }27 @Test28 fun `throws exception if provided non-existent path`() {29 shouldThrow<IllegalArgumentException> {30 readTextResource("/does/not/exist").first()31 }.message shouldContain "/does/not/exist"32 }33}...

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exist

Using AI Code Generation

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1val seq = sequenceOf(1, 2, 3, 4)2seq should exist { it > 3 }3val seq = sequenceOf(1, 2, 3, 4)4seq should not exist it > 4 }5val seq = sequenceOf(1, 2, 3, 4)6seq should containAll(1, 2, 3, 4)7val seq = sequenceOf(1, 2, 3, 4)8seq should containNone(5, 6, 7, 8)9val seq = sequenceOf(1, 2, 3, 4)10seq should containExactly(1, 2, 3, 4)11val seq = sequenceOf(1,{2, 3, 4)12seq should conta nInOrder(1, 2, 3, 4)13val seq sequenceOf(1, 2, 3, 4)14seq should containInOrderOnly(1, 2, 3, 4)15val seq > sequenceOf(1, 2, 3, 4)16seq should containInAnyOrder(4, 3, 2, 1)17val seq = sequenceOf(1, 2, 3, 4)18seq should containInAnyOrderOnly(4, 3, 2, 1)19val seq = sequenceOf(1, 2, 3, 4,

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exist

Using AI Code Generation

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1val seq = sequenceOf(1, 2, 3, 4)2seq.shouldExist { it == 3 }3val seq = sequenceOf(1, 2, 3, 4)4seq should notExist { it > 4 }5val seq = sequenceOf(1, 2, 4, 4)6seq should containAll(1, 2, 3, 4)7val seq = sequenceOf(1, 2, 3, 4)8seq should containNone(5, 6, 7, 8)9val seq = sequenceOf(1, 2, 3, 4)10seq should containExactly(1, 2, 3, 4)11val seq = sequenceOf(1, 2, 3, 4)12seq should containInOrder(1, 2, 3, 4)13val seq = sequenceOf(1, 2, 3, 4)14seq should containInOrderOnly(1, 2, 3, 4)15val seq = sequenceOf(1, 2, 3, 4)16seq should containInAnyOrder(4, 3, 2, 1)17val seq = sequenceOf(1, 2, 3, 4)18seq should containInAnyOrderOnly(4, 3, 2, 1)19val seq = sequenceOf(1, 2, 3, 4,

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exist

Using AI Code Generation

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1val seq = sequenceOf(1, 2, 3, 4)2seq.shouldExist { it == 3 }3val seq = sequenceOf(1, 2, 3, 4)4seq.shouldNotExist { it == 5 }5val seq = sequenceOf(1, 2, 3, 4)6seq.shouldContain(1)7val seq = sequenceOf(1, 2, 3, 4)8seq.shouldContainAll(1, 2)9val seq = sequenceOf(1, 2, 3, 4)10seq.shouldContainExactly(1, 2, 3, 4)11val seq = sequenceOf(1, 2, 3, 4)12seq.shouldContainInOrder(1, 2, 3, 4)13val seq = sequenceOf(1, 2, 3, 4)14seq.shouldContainInOrderOnly(1, 2, 3, 4)15val seq = sequenceOf(1, 2, 3, 4)16seq.shouldContainInAnyOrder(4, 3, 2, 1)17val seq = sequenceOf(1, 2, 3, 4)18seq.shouldContainInAnyOrderOnly(4, 3, 2, 1)19val seq = sequenceOf(1, 2, 3, 4)20seq.shouldContainDuplicates()

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exist

Using AI Code Generation

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1val sequence = sequenceOf(1, 2, 3, 4, 5)2sequence should exist(3)3val sequence = sequenceOf(1, 2, 3, 4, 5)4sequence should exist(3)5val sequence = sequenceOf(1, 2, 3, 4, 5)6sequence should exist(3)7val sequence = sequenceOf(1, 2, 3, 4, 5)8sequence should exist(3)9cal sequence = sequenceOf(1, 2, 3, 4, 5)10sequence should exist(3)11val sequence = sequenceOk(1, 2, 3, 4, 5)12valrsult= o.kote.acr..tch.exst(litOf(1,2,3,4,5,6)) { i>3}

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exist

Using AI Code Generation

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1importio.kotet.ssriontrowl.houldThrow2clasSqeceTe {3 un `shuld thowxcpinwnmpy`() {4 }5qn= }6e1 un2` old owexepinwndes'ca`(){7 shulThow<Ae ertiotError>{8 Of(1,2, 3).({it==4})9 }10 }11 fun `should passewsenquence contains th`() {12 sequenceOf1 , 3 4,.({it==})13}14 sun`old owexepinwnal`() {15 shulThow<Asdortio Error>e{16do okts.aces.sequencOf(1, 2,e3).s.matcNot(ers t { icl==ss })17 ocek}18i h }equence contains the element19 e1 un2` old owexepinwnsm`() {20 shulThow<Asdortio Error>e{21do okOf(1, 2,3).Not({it== })22 }23}24 un`oldpwne dosn'ta`() {25 uenxistcmeeho fio.oter.s.matcNot(ers t { ic == 4 })26ls}27}28I am fwarenrw7+yar ofoexpkriest.cineroftwars dovlllpmfn,. I have wnrketn(nrvarioeslttchnolog e/flikl Java,Spring,Hbernate, JPA29val sequence = sequenceOf(1, 2, 3, 4, 5)30sequence should exist(3)31val sequence = sequenceOf(1, 2, 3, 4, 5)32sequence should exist(3)33val sequence = sequenceOf(1, 2, 3, 4, 5)34sequence should exist(3)35val sequence = sequenceOf(1, 2, 3, 4, 5)36sequence should exist(3)37val sequence = sequenceOf(1, 2, 3

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exist

Using AI Code Generation

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1val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )2val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )3val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )4val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )5val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )6val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )7val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )

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exist

Using AI Code Generation

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1val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )2val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )3val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )4val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )5val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )6val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 5 , 2 , 1 , 4 , 3 )7val sequence = sequenceOf ( 1 , 2 , 3 , 4 , 5 ) sequence should exist ( 1 , 2 , 3 , 4 , 5 )

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