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How to use shrink method of io.kotest.property.arbitrary.bind class

Best Kotest code snippet using io.kotest.property.arbitrary.bind.shrink

BindTest.kt

Source:BindTest.kt

...564         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",565         "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"566      )567   }568   "!Arb.bind shrinks" {569      data class Person(val name: String, val age: Int)570      val arb = Arb.bind<Person>()571      val stdout = captureStandardOut {572         shouldThrowAny {573            checkAll(arb) { person ->574               person.name.length shouldBeLessThan 10575               person.age shouldBeGreaterThan -1576               person.age shouldBeLessThan 130577            }578         }579      }580      stdout shouldContain "Shrink result"581      stdout shouldContain "Person(name=, age=-1)"582   }...

BuilderTest.kt

Source:BuilderTest.kt

...114            val edges = setOf("edge1", "edge2")115            val arb = arbitrary(edges.toList()) { "abcd" }116            arb.edgecases() shouldContainExactlyInAnyOrder edges117         }118         test("should assign edgecases and shrinker") {119            val shrinker = IntShrinker(1..5)120            val edges = setOf(1, 2)121            val arb = arbitrary(edges.toList(), shrinker) { 5 }122            arb.edgecases() shouldContainExactlyInAnyOrder edges123            arb.sample(RandomSource.seeded(1234L)).shrinks.children.value.map { it.value() } shouldBe shrinker.shrink(5)124         }125         test("should use shrinker when provided") {126            val shrinker = IntShrinker(1..5)127            val arb = arbitrary(shrinker) { 5 }128            arb.classifier.shouldBeNull()129            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks130            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(5)131         }132         test("should use classifier when provided") {133            val classifier = IntClassifier(1..5)134            val arb = arbitrary(classifier) { 5 }135            arb.classifier shouldBeSameInstanceAs classifier136         }137         test("should use classifier and shrinker when provided") {138            val shrinker = IntShrinker(1..5)139            val classifier = IntClassifier(1..5)140            val arb = arbitrary(shrinker, classifier) { 5 }141            arb.classifier shouldBeSameInstanceAs classifier142            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks143            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(5)144         }145         test("should use edgecase function when provided") {146            val arb = arbitrary({ 5 }) { 10 }147            arb.edgecases() shouldContainExactlyInAnyOrder setOf(5)148         }149         test("should use edgecase function and shrinker when provided") {150            val shrinker = IntShrinker(1..5)151            val arb = arbitrary({ 5 }, shrinker) { 10 }152            arb.edgecases() shouldContainExactlyInAnyOrder setOf(5)153            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks154            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(10)155         }156         test("should support .bind() syntax") {157            val arb = Arb.constant(5)158            val shrinker = IntShrinker(1..5)159            val classifier = IntClassifier(1..5)160            arbitrary { arb.bind() }.single() shouldBe 5161            arbitrary(shrinker) { arb.bind() }.single() shouldBe 5162            arbitrary(classifier) { arb.bind() }.single() shouldBe 5163            arbitrary(shrinker, classifier) { arb.bind() }.single() shouldBe 5164            arbitrary(listOf(5)) { arb.bind() }.single() shouldBe 5165            arbitrary({ 5 }) { arb.bind() }.single() shouldBe 5166            arbitrary({ 5 }, shrinker) { arb.bind() }.single() shouldBe 5167         }168      }169      context("suspend arbitrary builder with unrestricted continuation") {170         suspend fun combineAsString(vararg values: Any?): String = values.joinToString(" ")171         test("should build arb on the parent coroutine context") {172            val arb = withContext(Foo("hello")) {173               generateArbitrary {174                  val hello = coroutineContext[Foo]?.value175                  val world = arbitrary { "world" }.bind()176                  val first = Arb.int(1..10).bind()177                  val second = Arb.int(11..20).bind()178                  combineAsString(hello, world, first, second)179               }180            }181            arb.generate(RandomSource.seeded(1234L)).take(4).toList().map { it.value } shouldContainExactly listOf(182               "hello world 2 20",183               "hello world 6 12",184               "hello world 7 19",185               "hello world 9 13"186            )187         }188         test("should bind edgecases") {189            val arb: Arb<String> = generateArbitrary {190               val first = Arb.string(5, Codepoint.alphanumeric()).withEdgecases("edge1", "edge2").bind()191               val second = Arb.int(1..9).withEdgecases(5).bind()192               val third = Arb.int(101..109).withEdgecases(100 + second, 109).bind()193               combineAsString(first, second, third)194            }195            arb.edgecases() shouldContainExactlyInAnyOrder setOf(196               "edge1 5 105",197               "edge2 5 105",198               "edge1 5 109",199               "edge2 5 109",200            )201         }202         test("should preserve edgecases of dependent arbs, even when intermideary arb(s) have no edgecases") {203            val arb: Arb<String> = generateArbitrary {204               val first = Arb.string(5, Codepoint.alphanumeric()).withEdgecases("edge1", "edge2").bind()205               val second = Arb.int(1..4).withEdgecases(emptyList()).bind()206               val third = Arb.int(101..109).withEdgecases(100 + second).bind()207               combineAsString(first, second, third)208            }209            arb.edgecases() shouldContainExactlyInAnyOrder setOf(210               "edge1 1 101",211               "edge1 2 102",212               "edge1 3 103",213               "edge1 4 104",214               "edge2 1 101",215               "edge2 2 102",216               "edge2 3 103",217               "edge2 4 104"218            )219         }220         test("should propagate exception") {221            val throwingArb = generateArbitrary {222               val number = Arb.int(1..4).withEdgecases(emptyList()).bind()223               // try to throw something inside the arb224               number shouldBeGreaterThan 5225            }226            val assertionError = shouldThrow<AssertionError> { execute(RandomSource.seeded(1234L), throwingArb) }227            assertionError.message shouldBe "4 should be > 5"228         }229         test("should assign edgecases") {230            val edges = setOf("edge1", "edge2")231            val arb = generateArbitrary(edges.toList()) { "abcd" }232            arb.edgecases() shouldContainExactlyInAnyOrder edges233         }234         test("should assign edgecases and shrinker") {235            val shrinker = IntShrinker(1..5)236            val edges = setOf(1, 2)237            val arb = generateArbitrary(edges.toList(), shrinker) { 5 }238            arb.edgecases() shouldContainExactlyInAnyOrder edges239            arb.sample(RandomSource.seeded(1234L)).shrinks.children.value.map { it.value() } shouldBe shrinker.shrink(5)240         }241         test("should use shrinker when provided") {242            val shrinker = IntShrinker(1..5)243            val arb = generateArbitrary(shrinker) { 5 }244            arb.classifier.shouldBeNull()245            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks246            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(5)247         }248         test("should use classifier when provided") {249            val classifier = IntClassifier(1..5)250            val arb = generateArbitrary(classifier) { 5 }251            arb.classifier shouldBeSameInstanceAs classifier252         }253         test("should use classifier and shrinker when provided") {254            val shrinker = IntShrinker(1..5)255            val classifier = IntClassifier(1..5)256            val arb = generateArbitrary(shrinker, classifier) { 5 }257            arb.classifier shouldBeSameInstanceAs classifier258            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks259            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(5)260         }261         test("should use edgecase function when provided") {262            val arb = generateArbitrary({ 5 }) { 10 }263            arb.edgecases() shouldContainExactlyInAnyOrder setOf(5)264         }265         test("should use edgecase function and shrinker when provided") {266            val shrinker = IntShrinker(1..5)267            val arb = generateArbitrary({ 5 }, shrinker) { 10 }268            arb.edgecases() shouldContainExactlyInAnyOrder setOf(5)269            val shrinks = arb.sample(RandomSource.seeded(1234L)).shrinks270            shrinks.children.value.map { it.value() } shouldContainExactly shrinker.shrink(10)271         }272         test("should support .bind() syntax") {273            val arb = Arb.constant(5)274            val shrinker = IntShrinker(1..5)275            val classifier = IntClassifier(1..5)276            generateArbitrary { arb.bind() }.single() shouldBe 5277            generateArbitrary(shrinker) { arb.bind() }.single() shouldBe 5278            generateArbitrary(classifier) { arb.bind() }.single() shouldBe 5279            generateArbitrary(shrinker, classifier) { arb.bind() }.single() shouldBe 5280            generateArbitrary(listOf(5)) { arb.bind() }.single() shouldBe 5281            generateArbitrary({ 5 }) { arb.bind() }.single() shouldBe 5282            generateArbitrary({ 5 }, shrinker) { arb.bind() }.single() shouldBe 5283         }284      }285   }286   private data class Foo(val value: String) : CoroutineContext.Element {287      companion object : CoroutineContext.Key<Foo>288      override val key: CoroutineContext.Key<*> = Foo289   }290   private suspend fun execute(rs: RandomSource, arb: Arb<*>): Unit {291      arb.generate(rs).take(1000).last()292   }293}...

bind.kt

Source:bind.kt

...386   genM: Gen<M>,387   genN: Gen<N>,388   bindFn: (A, B, C, D, E, F, G, H, I, J, K, L, M, N) -> T,389): Arb<T> {390   fun <S> shrink(tree: RTree<S>): List<RTree<S>> = tree.children.value391   fun combineShrinks(392      a: RTree<A>, b: RTree<B>, c: RTree<C>, d: RTree<D>, e: RTree<E>,393      f: RTree<F>, g: RTree<G>, h: RTree<H>, i: RTree<I>, j: RTree<J>,394      k: RTree<K>, l: RTree<L>, m: RTree<M>, n: RTree<N>395   ): RTree<T> =396      RTree(397         {398            bindFn(399               a.value(), b.value(), c.value(), d.value(), e.value(),400               f.value(), g.value(), h.value(), i.value(), j.value(),401               k.value(), l.value(), m.value(), n.value()402            )403         },404         kotlin.lazy {405            shrink(a).map { combineShrinks(it, b, c, d, e, f, g, h, i, j, k, l, m, n) } +406            shrink(b).map { combineShrinks(a, it, c, d, e, f, g, h, i, j, k, l, m, n) } +407            shrink(c).map { combineShrinks(a, b, it, d, e, f, g, h, i, j, k, l, m, n) } +408            shrink(d).map { combineShrinks(a, b, c, it, e, f, g, h, i, j, k, l, m, n) } +409            shrink(e).map { combineShrinks(a, b, c, d, it, f, g, h, i, j, k, l, m, n) } +410            shrink(f).map { combineShrinks(a, b, c, d, e, it, g, h, i, j, k, l, m, n) } +411            shrink(g).map { combineShrinks(a, b, c, d, e, f, it, h, i, j, k, l, m, n) } +412            shrink(h).map { combineShrinks(a, b, c, d, e, f, g, it, i, j, k, l, m, n) } +413            shrink(i).map { combineShrinks(a, b, c, d, e, f, g, h, it, j, k, l, m, n) } +414            shrink(j).map { combineShrinks(a, b, c, d, e, f, g, h, i, it, k, l, m, n) } +415            shrink(k).map { combineShrinks(a, b, c, d, e, f, g, h, i, j, it, l, m, n) } +416            shrink(l).map { combineShrinks(a, b, c, d, e, f, g, h, i, j, k, it, m, n) } +417            shrink(m).map { combineShrinks(a, b, c, d, e, f, g, h, i, j, k, l, it, n) } +418            shrink(n).map { combineShrinks(a, b, c, d, e, f, g, h, i, j, k, l, m, it) }419         }420      )421   val arbA = genA.toArb()422   val arbB = genB.toArb()423   val arbC = genC.toArb()424   val arbD = genD.toArb()425   val arbE = genE.toArb()426   val arbF = genF.toArb()427   val arbG = genG.toArb()428   val arbH = genH.toArb()429   val arbI = genI.toArb()430   val arbJ = genJ.toArb()431   val arbK = genK.toArb()432   val arbL = genL.toArb()...

ExpressionTest.kt

Source:ExpressionTest.kt

...140                is Function -> "Function"141                is Identifier -> "Identifier"142            }143        },144        shrinker = ExpressionShrinker(boundNames)145    ) {146        if (maxDepth <= 1) {147            identifierArb(boundNames).bind()148        }149        else {150            when (val case = it.random.nextInt(3)) {151                0 -> identifierArb(boundNames).bind()152                1 -> functionArb(boundNames, maxDepth).bind()153                2 -> applicationArb(boundNames, maxDepth).bind()154                else -> throw IllegalStateException("Invalid case $case, should have been one of {0, 1, 2} (seed ${it.seed})")155            }156        }157    }158}159fun identifierArb(boundNames: List<String>): Arb<Identifier> {160    return arbitrary(IdentifierShrinker()) {161        if (boundNames.isNotEmpty() && Arb.boolean().bind()) {162            val name = Arb.element(boundNames).bind()163            Identifier(name)164        }165        else {166            val name = parameterNameArb(boundNames).bind()167            Identifier(name)168        }169    }170}171val functionArb = functionArb(emptyList(), 10)172fun functionArb(boundNames: List<String>, maxDepth: Int): Arb<Function> {173    return arbitrary(174        shrinker = FunctionShrinker(boundNames)175    ) {176        val identifier = identifierArb(boundNames).bind()177        val body = expressionArb(boundNames + identifier.name, maxDepth - 1).bind()178        Function(identifier.name, body)179    }180}181fun applicationArb(boundNames: List<String>, maxDepth: Int): Arb<Application> {182    return arbitrary {183        Application(184            expressionArb(boundNames, maxDepth - 1).bind(),185            expressionArb(boundNames, maxDepth - 1).bind(),186        )187    }188}189fun parameterNameArb(excludedNames: List<String>): Arb<String> {190    return arbitrary {191        it.random.azstring(it.random.nextInt(1, 10))192    }.filterNot {193        it in excludedNames194    }195}196class ExpressionShrinker(private val boundNames: List<String>) : Shrinker<Expression> {197    override fun shrink(value: Expression): List<Expression> {198        return when (value) {199            is Application -> shrinkApplication(value)200            is Function -> shrinkFunction(value)201            is Identifier -> IdentifierShrinker().shrink(value)202        }203    }204    private fun shrinkApplication(application: Application): List<Expression> {205        val shrunkApplication = ApplicationShrinker(boundNames).shrink(application)206        return shrunkApplication + application.argument + application.function207    }208    private fun shrinkFunction(function: Function): List<Expression> {209        val shrunkFunction = FunctionShrinker(boundNames).shrink(function)210        return shrunkFunction211    }212}213class IdentifierShrinker :214    Shrinker<Identifier> {215    override fun shrink(value: Identifier): List<Identifier> {216        return StringShrinkerWithMin(1)217            .shrink(value.name)218            .map {219                Identifier(it)220            }221    }222}223class FunctionShrinker(private val boundNames: List<String>) : Shrinker<Function> {224    override fun shrink(value: Function): List<Function> {225        return shrinkParameterName(value) + shrinkBody(value) + removeIntermediate(value) +226            Function(227                value.parameterName,228                Identifier(value.parameterName)229            )230    }231    private fun removeIntermediate(function: Function): List<Function> {232        val (parameterName, body) = function233        if (body !is Function) {234            return emptyList()235        }236        if (parameterName in body.freeVariables) {237            return emptyList()238        }239        return listOf(body)240    }241    private fun shrinkParameterName(function: Function): List<Function> {242        return StringShrinkerWithMin(1)243            .shrink(function.parameterName)244            .map { newParameterName ->245                Function(246                    newParameterName,247                    function.body.substitute(function.parameterName, Identifier(newParameterName)),248                )249            }250    }251    private fun shrinkBody(function: Function): List<Function> {252        return ExpressionShrinker(boundNames + function.parameterName).shrink(function.body)253            .map { Function(function.parameterName, it) }254    }255}256class ApplicationShrinker(private val boundNames: List<String>) : Shrinker<Application> {257    override fun shrink(value: Application): List<Application> {258        val shrunkFunction = ExpressionShrinker(boundNames)259            .shrink(value.function)260            .map { Application(it, value.argument) }261        val shrunkArgument = ExpressionShrinker(boundNames)262            .shrink(value.function)263            .map { Application(value.function, it) }264        return shrunkFunction + shrunkArgument265    }266}267private fun String.words(): Set<String> {268    return split(" ")269        .filter(String::isNotEmpty)270        .toSet()271}...

maps.kt

Source:maps.kt

...88      map89   }90}91class MapShrinker<K, V>(private val minSize: Int) : Shrinker<Map<K, V>> {92   override fun shrink(value: Map<K, V>): List<Map<K, V>> {93      val shrinks = when (value.size) {94         0 -> emptyList()95         1 -> listOf(emptyMap())96         else -> listOf(97            value.toList().take(value.size / 2).toMap(),98            value.toList().drop(1).toMap()99         )100      }101      return shrinks.filter { it.size >= minSize }102   }103}104/**105 * Returns an [Arb] that produces Pairs of K,V using the supplied arbs for K and V.106 * Edgecases will be derived from [k] and [v].107 */108fun <K, V> Arb.Companion.pair(k: Arb<K>, v: Arb<V>): Arb<Pair<K, V>> {109   val arbPairWithoutKeyEdges: Arb<Pair<K, V>> = Arb.bind(k.removeEdgecases(), v, ::Pair)110   val arbPairWithoutValueEdges: Arb<Pair<K, V>> = Arb.bind(k, v.removeEdgecases(), ::Pair)111   val arbPair: Arb<Pair<K, V>> = Arb.bind(k, v, ::Pair)112   return Arb.choice(arbPair, arbPairWithoutKeyEdges, arbPairWithoutValueEdges)113}...

Generators.kt

Source:Generators.kt

...47        }48    }49}50object TreeShrinker : Shrinker<Quadtree> {51    override fun shrink(value: Quadtree): List<Quadtree> = when (value) {52        is Leaf -> listOf()53        is Node -> value.children.asList()54    }55}56fun GLFWAction.Companion.gen(): Gen<GLFWAction> = exhaustive(GLFWAction.values().asList())57fun CursorEvent.Companion.arb(): Arb<CursorEvent> = Arb.bind(58    Arb.positiveDoubles(), Arb.positiveDoubles(),59) { x, y -> CursorEvent(Vec2.screen(x, y)) }60fun KeyEvent.Companion.arb(): Arb<KeyEvent> = Arb.bind(61    Arb.int(0..1000), GLFWAction.gen()62) { key, action -> KeyEvent(key, GLFW.glfwGetKeyScancode(key), action, 0) }63fun MouseEvent.Companion.arb(): Arb<MouseEvent> = Arb.bind(64    Arb.int(0..5), GLFWAction.gen(),65) { button, action -> MouseEvent(button, action, 0) }...

StreamSpec.kt

Source:StreamSpec.kt

...31    val edgecases = listOf(0L, 1, -1, Long.MAX_VALUE, Long.MIN_VALUE).filter { it in range }32    return arb(LongShrinker(range), edgecases) { it.random.nextLong(range.first, range.last) }33  }34  class LongShrinker(private val range: LongRange) : Shrinker<Long> {35    override fun shrink(value: Long): List<Long> =36      when (value) {37        0L -> emptyList()38        1L, -1L -> listOf(0)39        else -> {40          val a = listOf(abs(value), value / 3, value / 2, value * 2 / 3)41          val b = (1..5L).map { value - it }.reversed().filter { it > 0 }42          (a + b).distinct().filter { it in range && it != value }43        }44      }45  }46  inline fun <reified O, R> Arb.Companion.pull(47    arbO: Arb<O>,48    arbR: Arb<R>,49    range: IntRange = depth...

BindShrinkTest.kt

Source:BindShrinkTest.kt

...18         val a: Int, val b: Int, val c: Int, val d: Int, val e: Int,19         val f: Int, val g: Int, val h: Int, val i: Int, val j: Int,20         val k: Int, val l: Int, val m: Int, val n: Int21      )22      fun createArb(shrinker: Shrinker<Int>): Arb<MaximumComponents> {23         val intArb = arbitrary(shrinker) { 1000 }24         return Arb.bind(25            intArb, intArb, intArb, intArb, intArb,26            intArb, intArb, intArb, intArb, intArb,27            intArb, intArb, intArb, intArb28         ) { a, b, c, d, e, f, g, h, i, j, k, l, m, n ->29            MaximumComponents(a, b, c, d, e, f, g, h, i, j, k, l, m, n)30         }31      }32      "Arb.bind shrinks all components" {33         val arb = createArb { i -> listOf(0, i / 2, i - 1) }34         val sample = arb.sample(RandomSource.default())35         // Shrinker produces three new values for each component36         sample.shrinks.children.value shouldHaveSize 3 * 1437      }38      "Shrinks all components to minimum value" {39         val arb = createArb(IntShrinker(0..1000))40         val stdout = captureStandardOut {41            shouldThrowAny {42               checkAll(arb) {43                  // Better ways to simulate a bug for some input value?44                  it.m shouldBeLessThan 10045               }46            }47         }48         stdout shouldContain """Shrink result (after 45 shrinks) => MaximumComponents(a=0, b=0, c=0, d=0, e=0, f=0, g=0, h=0, i=0, j=0, k=0, l=0, m=100, n=0)"""49      }50   }51)...

shrink

Using AI Code Generation

1val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }2shrinkable.shrink()3val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }4shrinkable.shrink()5val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }6shrinkable.shrink()7val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }8shrinkable.shrink()9val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }10shrinkable.shrink()11val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }12shrinkable.shrink()13val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }14shrinkable.shrink()15val shrinkable = io.kotest.property.arbitrary.bind(io.kotest.property.arbitrary.int(), io.kotest.property.arbitrary.int()) { a, b -> a + b }16shrinkable.shrink()

shrink

Using AI Code Generation

1Arbitrary . bind ( Int . arbitrary ()) . shrink ( 100 ) . forEach { println ( it ) }2Arbitrary . bind ( String . arbitrary ()) . shrink ( "hello" ) . forEach { println ( it ) }3Arbitrary . bind ( String . arbitrary ( 10 )) . shrink ( "hello" ) . forEach { println ( it ) }4Arbitrary . bind ( String . arbitrary ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }5Arbitrary . bind ( String . alphanumeric ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }6Arbitrary . bind ( String . numeric ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }7Arbitrary . bind ( String . alpha ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }8Arbitrary . bind ( String . alpha ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }9Arbitrary . bind ( String . alpha ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }10Arbitrary . bind ( String . alpha ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }11Arbitrary . bind ( String . alpha ( 10 , 20 )) . shrink ( "hello" ) . forEach { println ( it ) }

shrink

Using AI Code Generation

1val shrunk = arb.bind(shrinker).shrink(100, 1000)2val shrunk = arb.shrink(shrinker, 100, 1000)3val shrunk = arb.shrink(shrinker, 100, 1000)4val shrunk = arb.shrink(shrinker, 100, 1000)5val shrunk = arb.shrink(shrinker, 100, 1000)6val shrunk = arb.shrink(shrinker, 100, 1000)7val shrunk = arb.shrink(shrinker, 100, 1000)8val shrunk = arb.shrink(shrinker, 100, 1000)9val shrunk = arb.shrink(shrinker, 100, 1000)10val shrunk = arb.shrink(shrinker, 100, 1000)11val shrunk = arb.shrink(shrinker, 100, 1000)12val shrunk = arb.shrink(shrinker, 100, 1000)13val shrunk = arb.shrink(shrinker, 100, 1000)14val shrunk = arb.shrink(shrinker, 100, 1000)

shrink

Using AI Code Generation

1val list = listOf( "hello" , "world" , "kotest" ).shrink()2list.shrunk().forEach { println(it) }3val list = listOf( "hello" , "world" , "kotest" ).shrink()4list.shrunk().forEach { println(it) }5val list = listOf( "hello" , "world" , "kotest" ).shrink()6list.shrunk().forEach { println(it) }7val list = listOf( "hello" , "world" , "kotest" ).shrink()8list.shrunk().forEach { println(it) }9val list = listOf( "hello" , "world" , "kotest" ).shrink()10list.shrunk().forEach { println(it) }11val list = listOf( "hello" , "world" , "kotest" ).shrink()12list.shrunk().forEach { println(it) }

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