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How to use iterator method of com.sksamuel.kotest.eq.IterableEqTest class

Best Kotest code snippet using com.sksamuel.kotest.eq.IterableEqTest.iterator

IterableEqTest.kt

Source:IterableEqTest.kt

...14import kotlin.time.Duration.Companion.seconds15private class BareIterable(size: Int, offset: Int): Iterable<Int> {16   val top = offset+size17   private var count = offset18   override fun iterator() = object : Iterator<Int> {19      override fun hasNext(): Boolean = count < top20      override fun next(): Int = ++count21   }22   override fun toString(): String = "${this::class.simpleName}@{$top,$count}"23}24private class BareRecursiveIterable(size: Int, offset: Int): Iterable<BareRecursiveIterable> {25   val top = offset+size26   private var count = offset27   override fun iterator() = object : Iterator<BareRecursiveIterable> {28      override fun hasNext(): Boolean = count < top29      override fun next(): BareRecursiveIterable = this@BareRecursiveIterable.apply { ++count }30   }31   override fun toString(): String = "${this::class.simpleName}@{$top,$count}"32}33class IterableEqTest : FunSpec({34   test("should give null for two equal sets") {35      IterableEq.equals(setOf(1, 2, 3), setOf(2, 3, 1)).shouldBeNull()36   }37   test("should give error for unequal sets") {38      val error = IterableEq.equals(setOf(1, 2, 3), setOf(2, 3))39      assertSoftly {40         error.shouldNotBeNull()41         error.message shouldBe "expected:<[2, 3]> but was:<[1, 2, 3]>"42      }43   }44   test("should give null for two equal list") {45      IterableEq.equals(listOf(1, 2, 3), listOf(1, 2, 3)).shouldBeNull()46   }47   test("should give error for two unequal list") {48      val error = IterableEq.equals(listOf(3), listOf(1, 2, 3))49      assertSoftly {50         error.shouldNotBeNull()51         error.message shouldBe """Element differ at index: [0]52                                  |Missing elements from index 153                                  |expected:<[1, 2, 3]> but was:<[3]>""".trimMargin()54      }55   }56   test("should not give error for kotlin ordered set comparison with list") {57      val error = IterableEq.equals(setOf(1, 2, 3), listOf(1, 2, 3)).shouldBeNull()58   }59   test("should give error for unordered set comparison with list") {60      val hs = HashSet<Int>(3)61      hs.addAll(setOf(1, 2, 3))62      val error = IterableEq.equals(hs, listOf(1, 2, 3))63      assertSoftly {64         error.shouldNotBeNull()65         error.message shouldBe """Disallowed: Set can be compared only to Set66                                  |May not compare HashSet with ArrayList67                                  |expected:<*> but was:<*>""".trimMargin()68      }69   }70   test("should give null for java-only TreeSet comparison with list") {71      val hs = TreeSet(setOf(1, 2, 3))72      IterableEq.equals(hs, listOf(1, 2, 3)).shouldBeNull()73   }74   test("should give error for unmatched collection") {75      val error = IterableEq.equals(BareIterable(3,1), listOf(1,2,3))76      assertSoftly {77         error.shouldNotBeNull()78         error.message shouldBe """Disallowed typed contract79                                  |May not compare BareIterable with ArrayList80                                  |expected:<*> but was:<*>""".trimMargin()81      }82   }83   test("should give null for matched iterables") {84      IterableEq.equals(Paths.get("foo"), Paths.get("foo")).shouldBeNull()85      IterableEq.equals(BareIterable(3,2), BareIterable(3,2)).shouldBeNull()86   }87   test("should give error for matched but different iterables") {88      val error = IterableEq.equals(BareIterable(2,2), BareIterable(3,2))89      assertSoftly {90         error.shouldNotBeNull()91         error.message shouldBe """Missing elements from index 292                                  |expected:<[5]> but was:<[]>""".trimMargin()93      }94   }95   test("should give error for promiscuous iterables") {96      val error = IterableEq.equals(Paths.get("foo"), BareIterable(1,0))97      assertSoftly {98         error.shouldNotBeNull()99         error.message shouldBe """Disallowed promiscuous iterators100                                  |May not compare UnixPath with BareIterable101                                  |expected:<*> but was:<*>""".trimMargin()102      }103   }104   test("should give error for promiscuous iterables when recursive") {105      val error = IterableEq.equals(Paths.get("foo"), BareRecursiveIterable(1,0))106      assertSoftly {107         error.shouldNotBeNull()108         error.message shouldBe """Disallowed promiscuous iterators109                                  |May not compare UnixPath with BareRecursiveIterable110                                  |expected:<*> but was:<*>""".trimMargin()111      }112   }113   test("should give unsupported error for nested iterables") {114      val error = IterableEq.equals(Paths.get("foo"), Paths.get("bar"))115      assertSoftly {116         error.shouldNotBeNull()117         error.message?.startsWith("Disallowed nesting iterator") shouldBe true118         error.message?.endsWith("; (use custom test code instead)") shouldBe true119      }120   }121   test("should give unsupported error for recursive iterables") {122      val error = IterableEq.equals(BareRecursiveIterable(1,1), BareRecursiveIterable(1,1))123      assertSoftly {124         error.shouldNotBeNull()125         error.message?.startsWith("Disallowed nesting iterator") shouldBe true126         error.message?.endsWith("; (use custom test code instead)") shouldBe true127      }128   }129   test("should give null for equal deeply nested arrays") {130      val array1 = arrayOf(1, arrayOf(arrayOf("a", "c"), "b"), mapOf("a" to arrayOf(1, 2, 3)))131      val array2 = arrayOf(1, arrayOf(arrayOf("a", "c"), "b"), mapOf("a" to arrayOf(1, 2, 3)))132      IterableEq.equals(array1.toList(), array2.toList()).shouldBeNull()133   }134   test("should give null for equal iterables nested in ordered collection") {135      val aut1 = listOf(1, arrayOf(BareIterable(3,3), BareIterable(4,4)), mapOf("a" to arrayOf(1, 2, 3)))136      val aut2 = listOf(1, arrayOf(BareIterable(3,3), BareIterable(4,4)), mapOf("a" to arrayOf(1, 2, 3)))137      IterableEq.equals(aut1, aut2).shouldBeNull()138   }139   test("should give error for unequal iterables nested in ordered collection") {140      val aut1 = listOf(1, listOf(BareIterable(3,3), BareIterable(3,4)), mapOf("a" to listOf(1, 2, 3)))141      val aut2 = listOf(1, listOf(BareIterable(3,3), BareIterable(4,4)), mapOf("a" to listOf(1, 2, 3)))142      val error = IterableEq.equals(aut1, aut2)143      assertSoftly {144         error.shouldNotBeNull()145         error.message shouldBe """Element differ at index: [1]146                                  |expected:<[1, [[], []], [("a", [1, 2, 3])]]> but was:<[1, [[], []], [("a", [1, 2, 3])]]>""".trimMargin()147      }148   }149   test("should give null for equal iterables nested in Set") {150      val aut1 = setOf(1, listOf(BareIterable(3,3), BareIterable(4,4)), mapOf("a" to arrayOf(1, 2, 3)))151      val aut2 = setOf(mapOf("a" to listOf(1, 2, 3)), 1, arrayOf(BareIterable(3,3), BareIterable(4,4)))152      IterableEq.equals(aut1, aut2).shouldBeNull()153   }154   test("should give error for unequal iterables nested in Set") {155      val aut1 = setOf(listOf(BareIterable(3,3), BareIterable(3,4)), mapOf("a" to listOf(1, 2, 3)), 1)156      val aut2 = setOf(1, listOf(BareIterable(3,3), BareIterable(4,4)), mapOf("a" to listOf(1, 2, 3)))157      val error = IterableEq.equals(aut1, aut2)158      assertSoftly {159         error.shouldNotBeNull()160         error.message shouldBe """expected:<[1, [[], []], [("a", [1, 2, 3])]]> but was:<[[[], []], [("a", [1, 2, 3])], 1]>"""161      }162   }163   test("should give error for unequal deeply nested arrays") {164      val array1 = arrayOf(1, arrayOf(arrayOf("a", "c"), "b"), mapOf("a" to arrayOf(1, 2, 3)))165      val array2 = arrayOf(1, arrayOf(arrayOf("a", "e"), "b"), mapOf("a" to arrayOf(1, 2, 3)))166      val error = IterableEq.equals(array1.toList(), array2.toList())167      assertSoftly {168         error.shouldNotBeNull()169         error.message shouldBe """Element differ at index: [1]170                                  |expected:<[1, [["a", "e"], "b"], [("a", [1, 2, 3])]]> but was:<[1, [["a", "c"], "b"], [("a", [1, 2, 3])]]>""".trimMargin()171      }172   }173   test("should give error for recursive iterables nested in ordered collection") {174      val aut1 = listOf(1, listOf(BareRecursiveIterable(3,3)), mapOf("a" to listOf(1, 2, 3)))175      val aut2 = listOf(1, listOf(BareRecursiveIterable(3,3)), mapOf("a" to listOf(1, 2, 3)))176      val error = IterableEq.equals(aut1, aut2)177      assertSoftly {178         error.shouldNotBeNull()179         error.message?.startsWith("Disallowed nesting iterator") shouldBe true180         error.message?.endsWith("; (use custom test code instead)") shouldBe true181      }182   }183   test("should give error for recursive iterables nested in Set") {184      val aut1 = setOf(1, arrayOf(BareRecursiveIterable(3,3)), mapOf("a" to listOf(1, 2, 3)))185      val aut2 = setOf(1, mapOf("a" to listOf(1, 2, 3)), listOf(BareRecursiveIterable(3,3)))186      val error = IterableEq.equals(aut1, aut2)187      assertSoftly {188         error.shouldNotBeNull()189         error.message?.startsWith("Disallowed nesting iterator") shouldBe true190         error.message?.endsWith("; (use custom test code instead)") shouldBe true191      }192   }193   test("should only perform one iteration") {194      val actual = IterationCountSet(List(50) { it }.toSet())195      val expected = IterationCountSet(List(50) { it }.toSet())196      actual.count shouldBe 0197      expected.count shouldBe 0198      IterableEq.equals(actual, expected).shouldBeNull()199      actual.count shouldBe 50  // one for each element in the Set200      expected.count shouldBe 0201   }202   test("should return true for deeply nested arrays in sets") {203      setOf(204         arrayOf(1, 2, 3),205         1,206         listOf(arrayOf(1, 2, 3))207      ) shouldBe setOf(208         arrayOf(1, 2, 3),209         1,210         listOf(arrayOf(1, 2, 3))211      )212   }213   test("should have linear performance for lists").config(timeout = 5.seconds) {214       val a = List(10000000) { "foo" }215       val b = List(10000000) { "foo" }216       IterableEq.equals(a, b) shouldBe null217   }218   test("should have linear performance for primitive sets").config(timeout = 5.seconds) {219       IterableEq.equals(List(1000) { it }.toSet(), List(1000) { it }.reversed().toSet()) shouldBe null220   }221   test("should have linear performance for string sets").config(timeout = 5.seconds) {222       IterableEq.equals(223           List(1000) { it.toString() }.toSet(),224           List(1000) { it.toString() }.reversed().toSet()225       ) shouldBe null226   }227   test("should work for empty lists") {228      val errorMessage1 = IterableEq.equals(emptyList<Int>(), listOf(1))?.message229      errorMessage1 shouldBe """Missing elements from index 0230                               |expected:<[1]> but was:<[]>""".trimMargin()231      val errorMessage2 = IterableEq.equals(listOf(1, 2), emptyList<Int>())?.message232      errorMessage2 shouldBe """Unexpected elements from index 1233                               |expected:<[]> but was:<[1, 2]>""".trimMargin()234   }235   test("shouldNotBe should work for empty lists") {236      listOf("hello") shouldNotBe emptyList<String>()237      emptyList<String>() shouldNotBe listOf("hello")238   }239   test("IterableEq unsupported types") {240      listOf(241         sequenceOf(1),242      ).forAll {243         IterableEq.isValidIterable(it) shouldBe false244      }245   }246   test("IterableEq supported types") {247      listOf(248         setOf(1),249         listOf(1),250         java.util.ArrayList(listOf(1)),251         java.util.HashSet(listOf(1)),252         arrayOf(1),253         ConcurrentLinkedQueue<Int>(),254         BareIterable(0,0),255         Paths.get("foo/bar"),256      ).forAll {257         IterableEq.isValidIterable(it) shouldBe true258      }259   }260})261private class IterationCountSet<T>(val delegate: Set<T>) : Set<T> by delegate {262   var count = 0263   override fun iterator(): Iterator<T> {264      return CountingIterator(delegate.iterator())265   }266   inner class CountingIterator(val delegateIterator: Iterator<T>) : Iterator<T> by delegateIterator {267      override fun next(): T {268         count++269         return delegateIterator.next()270      }271   }272}...

iterator

Using AI Code Generation

1val list1 = listOf(1, 2, 3)2val list2 = listOf(1, 2, 3)3list1.shouldBe(list2)4val list1 = listOf(1, 2, 3)5val list2 = listOf(1, 2, 3)6list1.shouldBe(list2)7val list1 = listOf(1, 2, 3)8val list2 = listOf(1, 2, 3)9list1.shouldBe(list2)10val list1 = listOf(1, 2, 3)11val list2 = listOf(1, 2, 3)12list1.shouldBe(list2)13val list1 = listOf(1, 2, 3)14val list2 = listOf(1, 2, 3)15list1.shouldBe(list2)16val list1 = listOf(1, 2, 3)17val list2 = listOf(1, 2, 3)18list1.shouldBe(list2)19val list1 = listOf(1, 2, 3)20val list2 = listOf(1, 2, 3)21list1.shouldBe(list2)22val list1 = listOf(1, 2, 3)23val list2 = listOf(1, 2, 3)24list1.shouldBe(list2)25val list1 = listOf(1, 2, 3)

iterator

Using AI Code Generation

1    val list = listOf("a", "b", "c")2    list.shouldBe(listOf("a", "b", "c"))3    val list = listOf("a", "b", "c")4    list.shouldBe(listOf("a", "b", "c"))5    val list = listOf("a", "b", "c")6    list.shouldBe(listOf("a", "b", "c"))7    val list = listOf("a", "b", "c")8    list.shouldBe(listOf("a", "b", "c"))9    val list = listOf("a", "b", "c")10    list.shouldBe(listOf("a", "b", "c"))11    val list = listOf("a", "b", "c")12    list.shouldBe(listOf("a", "b", "c"))13    val list = listOf("a", "b", "c")14    list.shouldBe(listOf("a", "b", "c"))15    val list = listOf("a", "b", "c")16    list.shouldBe(listOf("a", "b", "c"))17    val list = listOf("a", "b", "c")18    list.shouldBe(listOf("a", "b", "c"))19    val list = listOf("a", "b", "c")20    list.shouldBe(listOf("a", "b", "c"))

iterator

Using AI Code Generation

1@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()2@JvmName("iteratorMethod") fun <T> Array<T>.iteratorMethod(): Iterator<T> = iterator()3@JvmName("iteratorMethod") fun <T> Sequence<T>.iteratorMethod(): Iterator<T> = iterator()4@JvmName("iteratorMethod") fun <T> Iterator<T>.iteratorMethod(): Iterator<T> = this5@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()6@JvmName("iteratorMethod") fun <T> Array<T>.iteratorMethod(): Iterator<T> = iterator()7@JvmName("iteratorMethod") fun <T> Sequence<T>.iteratorMethod(): Iterator<T> = iterator()8@JvmName("iteratorMethod") fun <T> Iterator<T>.iteratorMethod(): Iterator<T> = this9@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()10@JvmName("iteratorMethod") fun <T> Array<T>.iteratorMethod(): Iterator<T> = iterator()11@JvmName("iteratorMethod") fun <T> Sequence<T>.iteratorMethod(): Iterator<T> = iterator()12@JvmName("iteratorMethod") fun <T> Iterator<T>.iteratorMethod(): Iterator<T> = this13@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()14@JvmName("iteratorMethod") fun <T> Array<T>.iteratorMethod(): Iterator<T> = iterator()15@JvmName("iteratorMethod") fun <T> Sequence<T>.iteratorMethod(): Iterator<T> = iterator()16@JvmName("iteratorMethod") fun <T> Iterator<T>.iteratorMethod(): Iterator<T> = this17@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()18@JvmName("iteratorMethod") fun <T> Array<T>.iteratorMethod(): Iterator<T> = iterator()19@JvmName("iteratorMethod") fun <T> Sequence<T>.iteratorMethod(): Iterator<T> = iterator()20@JvmName("iteratorMethod") fun <T> Iterator<T>.iteratorMethod(): Iterator<T> = this21@JvmName("iteratorMethod") fun <T> Iterable<T>.iteratorMethod(): Iterator<T> = iterator()22@JvmName("iteratorMethod") fun <T> Array<T>.iterator

iterator

Using AI Code Generation

1val list = listOf(1, 2, 3, 4)2list.iterator().shouldNotBeEmpty()3list.iterator().shouldBeEmpty()4val list = listOf(1, 2, 3, 4)5list.iterator().shouldNotBeEmpty()6list.iterator().shouldBeEmpty()7val list = listOf(1, 2, 3, 4)8list.iterator().shouldNotBeEmpty()9list.iterator().shouldBeEmpty()10val list = listOf(1, 2, 3, 4)11list.iterator().shouldNotBeEmpty()12list.iterator().shouldBeEmpty()13val list = listOf(1, 2, 3, 4)14list.iterator().shouldNotBeEmpty()15list.iterator().shouldBeEmpty()16val list = listOf(1, 2, 3, 4)17list.iterator().shouldNotBeEmpty()18list.iterator().shouldBeEmpty()19val list = listOf(1, 2, 3, 4)20list.iterator().shouldNotBeEmpty()21list.iterator().shouldBeEmpty()22val list = listOf(1, 2, 3, 4)23list.iterator().shouldNotBeEmpty()24list.iterator().shouldBeEmpty()25val list = listOf(1, 2, 3, 4)26list.iterator().shouldNotBeEmpty()27list.iterator().shouldBeEmpty()28val list = listOf(1, 2, 3, 4)29list.iterator().shouldNotBeEmpty()30list.iterator().shouldBeEmpty()

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