How to use atMostSize method of io.kotest.matchers.collections.size class

Best Kotest code snippet using io.kotest.matchers.collections.size.atMostSize

CollectionMatchersTest.kt

Source:CollectionMatchersTest.kt

...6import io.kotest.core.spec.style.WordSpec7import io.kotest.equals.Equality8import io.kotest.equals.types.byObjectEquality9import io.kotest.matchers.collections.atLeastSize10import io.kotest.matchers.collections.atMostSize11import io.kotest.matchers.collections.beLargerThan12import io.kotest.matchers.collections.beSameSizeAs13import io.kotest.matchers.collections.beSmallerThan14import io.kotest.matchers.collections.contain15import io.kotest.matchers.collections.containDuplicates16import io.kotest.matchers.collections.containNoNulls17import io.kotest.matchers.collections.containNull18import io.kotest.matchers.collections.containOnlyNulls19import io.kotest.matchers.collections.matchInOrder20import io.kotest.matchers.collections.existInOrder21import io.kotest.matchers.collections.haveElementAt22import io.kotest.matchers.collections.haveSize23import io.kotest.matchers.collections.matchEach24import io.kotest.matchers.collections.matchInOrderSubset25import io.kotest.matchers.collections.monotonicallyDecreasing26import io.kotest.matchers.collections.monotonicallyDecreasingWith27import io.kotest.matchers.collections.monotonicallyIncreasing28import io.kotest.matchers.collections.monotonicallyIncreasingWith29import io.kotest.matchers.collections.shouldBeIn30import io.kotest.matchers.collections.shouldBeLargerThan31import io.kotest.matchers.collections.shouldBeMonotonicallyDecreasing32import io.kotest.matchers.collections.shouldBeMonotonicallyDecreasingWith33import io.kotest.matchers.collections.shouldBeMonotonicallyIncreasing34import io.kotest.matchers.collections.shouldBeMonotonicallyIncreasingWith35import io.kotest.matchers.collections.shouldBeSameSizeAs36import io.kotest.matchers.collections.shouldBeSingleton37import io.kotest.matchers.collections.shouldBeSmallerThan38import io.kotest.matchers.collections.shouldBeSorted39import io.kotest.matchers.collections.shouldBeSortedBy40import io.kotest.matchers.collections.shouldBeSortedWith41import io.kotest.matchers.collections.shouldBeStrictlyDecreasing42import io.kotest.matchers.collections.shouldBeStrictlyDecreasingWith43import io.kotest.matchers.collections.shouldBeStrictlyIncreasing44import io.kotest.matchers.collections.shouldBeStrictlyIncreasingWith45import io.kotest.matchers.collections.shouldContainAnyOf46import io.kotest.matchers.collections.shouldContainDuplicates47import io.kotest.matchers.collections.shouldContainNoNulls48import io.kotest.matchers.collections.shouldContainNull49import io.kotest.matchers.collections.shouldContainOnlyNulls50import io.kotest.matchers.collections.shouldExist51import io.kotest.matchers.collections.shouldHaveAtLeastSize52import io.kotest.matchers.collections.shouldHaveAtMostSize53import io.kotest.matchers.collections.shouldHaveElementAt54import io.kotest.matchers.collections.shouldHaveSingleElement55import io.kotest.matchers.collections.shouldHaveSize56import io.kotest.matchers.collections.shouldMatchInOrder57import io.kotest.matchers.collections.shouldMatchInOrderSubset58import io.kotest.matchers.collections.shouldNotBeIn59import io.kotest.matchers.collections.shouldNotBeMonotonicallyDecreasing60import io.kotest.matchers.collections.shouldNotBeMonotonicallyDecreasingWith61import io.kotest.matchers.collections.shouldNotBeMonotonicallyIncreasing62import io.kotest.matchers.collections.shouldNotBeMonotonicallyIncreasingWith63import io.kotest.matchers.collections.shouldNotBeSingleton64import io.kotest.matchers.collections.shouldNotBeSorted65import io.kotest.matchers.collections.shouldNotBeSortedBy66import io.kotest.matchers.collections.shouldNotBeSortedWith67import io.kotest.matchers.collections.shouldNotBeStrictlyDecreasing68import io.kotest.matchers.collections.shouldNotBeStrictlyDecreasingWith69import io.kotest.matchers.collections.shouldNotBeStrictlyIncreasing70import io.kotest.matchers.collections.shouldNotBeStrictlyIncreasingWith71import io.kotest.matchers.collections.shouldNotContainAnyOf72import io.kotest.matchers.collections.shouldNotContainDuplicates73import io.kotest.matchers.collections.shouldNotContainNoNulls74import io.kotest.matchers.collections.shouldNotContainNull75import io.kotest.matchers.collections.shouldNotContainOnlyNulls76import io.kotest.matchers.collections.shouldNotHaveElementAt77import io.kotest.matchers.collections.shouldNotHaveSize78import io.kotest.matchers.collections.shouldNotMatchEach79import io.kotest.matchers.collections.shouldNotMatchInOrder80import io.kotest.matchers.collections.shouldNotMatchInOrderSubset81import io.kotest.matchers.collections.singleElement82import io.kotest.matchers.collections.sorted83import io.kotest.matchers.collections.strictlyDecreasing84import io.kotest.matchers.collections.strictlyDecreasingWith85import io.kotest.matchers.collections.strictlyIncreasing86import io.kotest.matchers.collections.strictlyIncreasingWith87import io.kotest.matchers.ints.shouldBeGreaterThan88import io.kotest.matchers.ints.shouldBeInRange89import io.kotest.matchers.should90import io.kotest.matchers.shouldBe91import io.kotest.matchers.shouldHave92import io.kotest.matchers.shouldNot93import io.kotest.matchers.shouldNotBe94import io.kotest.matchers.shouldNotHave95import io.kotest.matchers.throwable.shouldHaveMessage96class CollectionMatchersTest : WordSpec() {97   private val countdown = (10 downTo 0).toList()98   private val asc = { a: Int, b: Int -> a - b }99   private val desc = { a: Int, b: Int -> b - a }100   init {101      "a descending non-empty list" should {102         "fail to ascend" {103            shouldFail {104               countdown.shouldBeSortedWith(asc)105            }106         }107         "descend" {108            countdown.shouldBeSortedWith(desc)109         }110         "not ascend" {111            countdown.shouldNotBeSortedWith(asc)112         }113         "fail not to descend" {114            shouldFail {115               countdown.shouldNotBeSortedWith(desc)116            }117         }118      }119      "sortedWith" should {120         val items = listOf(121            1 to "I",122            2 to "II",123            4 to "IV",124            5 to "V",125            6 to "VI",126            9 to "IX",127            10 to "X"128         )129         "work on non-Comparable given a Comparator" {130            items.shouldBeSortedWith(Comparator { a, b -> asc(a.first, b.first) })131         }132         "work on non-Comparable given a compare function" {133            items.shouldBeSortedWith { a, b -> asc(a.first, b.first) }134         }135      }136      "haveElementAt" should {137         "test that a collection contains the specified element at the given index" {138            listOf("a", "b", "c") should haveElementAt(1, "b")139            listOf("a", "b", "c") shouldNot haveElementAt(1, "c")140            listOf("a", "b", null) should haveElementAt(2, null)141            listOf("a", "b", null) shouldNot haveElementAt(3, null)142            listOf("a", "b", "c").shouldHaveElementAt(1, "b")143            listOf("a", "b", "c").shouldNotHaveElementAt(1, "c")144            listOf("a", "b", null).shouldHaveElementAt(2, null)145         }146         "support type inference for subtypes of collection" {147            val tests = listOf(148               TestSealed.Test1("test1"),149               TestSealed.Test2(2)150            )151            tests should haveElementAt(0, TestSealed.Test1("test1"))152            tests.shouldHaveElementAt(1, TestSealed.Test2(2))153         }154      }155      "containNull()" should {156         "test that a collection contains at least one null" {157            listOf(1, 2, null) should containNull()158            listOf(null) should containNull()159            listOf(1, 2) shouldNot containNull()160            listOf(1, 2, null).shouldContainNull()161            listOf(null).shouldContainNull()162            listOf(1, 2).shouldNotContainNull()163         }164      }165      "sorted" should {166         "test that a collection is sorted" {167            emptyList<Int>() shouldBe sorted<Int>()168            listOf(1) shouldBe sorted<Int>()169            listOf(1, 2, 3, 4) shouldBe sorted<Int>()170            shouldThrow<AssertionError> {171               listOf(2, 1) shouldBe sorted<Int>()172            }.shouldHaveMessage("List [2, 1] should be sorted. Element 2 at index 0 was greater than element 1")173            listOf(1, 2, 6, 9).shouldBeSorted()174            shouldThrow<AssertionError> {175               listOf(2, 1).shouldBeSorted()176            }.shouldHaveMessage("List [2, 1] should be sorted. Element 2 at index 0 was greater than element 1")177            shouldThrow<AssertionError> {178               listOf(1, 2, 3).shouldNotBeSorted()179            }.shouldHaveMessage("List [1, 2, 3] should not be sorted")180         }181         "restrict items at the error message" {182            val longList = (1..1000).toList()183            shouldThrow<AssertionError> {184               longList.shouldNotBeSorted()185            }.shouldHaveMessage("List [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, ...and 980 more (set the 'kotest.assertions.collection.print.size' JVM property to see more / less items)] should not be sorted")186         }187      }188      "sortedBy" should {189         val items = listOf(190            1 to "I",191            2 to "II",192            4 to "IV",193            5 to "V",194            6 to "VI",195            9 to "IX",196            10 to "X"197         )198         "compare by the tranformed value" {199            items.shouldBeSortedBy { it.first }200            items.shouldNotBeSortedBy { it.second }201         }202      }203      "shouldBeIncreasing" should {204         "test that a collection is monotonically increasing" {205            listOf(1, 2, 2, 3) shouldBe monotonicallyIncreasing<Int>()206            listOf(6, 5) shouldNotBe monotonicallyIncreasing<Int>()207            listOf(1, 2, 2, 3).shouldBeMonotonicallyIncreasing()208            listOf(6, 5).shouldNotBeMonotonicallyIncreasing()209         }210         "test that a collection is monotonically increasing according to comparator" {211            val comparator = Comparator(desc)212            listOf(3, 2, 2, 1) shouldBe monotonicallyIncreasingWith(comparator)213            listOf(5, 6) shouldNotBe monotonicallyIncreasingWith(comparator)214            listOf(3, 2, 2, 1).shouldBeMonotonicallyIncreasingWith(comparator)215            listOf(5, 6).shouldNotBeMonotonicallyIncreasingWith(comparator)216         }217         "test that a collection is strictly increasing" {218            listOf(1, 2, 3) shouldBe strictlyIncreasing<Int>()219            listOf(1, 2, 2, 3) shouldNotBe strictlyIncreasing<Int>()220            listOf(6, 5) shouldNotBe strictlyIncreasing<Int>()221            listOf(1, 2, 3).shouldBeStrictlyIncreasing()222            listOf(1, 2, 2, 3).shouldNotBeStrictlyIncreasing()223            listOf(6, 5).shouldNotBeStrictlyIncreasing()224         }225         "test that a collection is strictly increasing according to comparator" {226            val comparator = Comparator(desc)227            listOf(3, 2, 1) shouldBe strictlyIncreasingWith(comparator)228            listOf(3, 2, 2, 1) shouldNotBe strictlyIncreasingWith(comparator)229            listOf(5, 6) shouldNotBe strictlyIncreasingWith(comparator)230            listOf(3, 2, 1).shouldBeStrictlyIncreasingWith(comparator)231            listOf(3, 2, 2, 1).shouldNotBeStrictlyIncreasingWith(comparator)232            listOf(5, 6).shouldNotBeStrictlyIncreasingWith(comparator)233         }234      }235      "shouldBeDecreasing" should {236         "test that a collection is monotonically decreasing" {237            listOf(3, 2, 2, -4) shouldBe monotonicallyDecreasing<Int>()238            listOf(5, 6) shouldNotBe monotonicallyDecreasing<Int>()239            listOf(3, 2, 2, -4).shouldBeMonotonicallyDecreasing()240            listOf(5, 6).shouldNotBeMonotonicallyDecreasing()241         }242         "test that a collection is monotonically decreasing according to comparator" {243            val comparator = Comparator(desc)244            listOf(-4, 2, 2, 3) shouldBe monotonicallyDecreasingWith(comparator)245            listOf(6, 5) shouldNotBe monotonicallyDecreasingWith(comparator)246            listOf(-4, 2, 2, 3).shouldBeMonotonicallyDecreasingWith(comparator)247            listOf(6, 5).shouldNotBeMonotonicallyDecreasingWith(comparator)248         }249         "test that a collection is strictly decreasing" {250            listOf(3, 2, -4) shouldBe strictlyDecreasing<Int>()251            listOf(3, 2, 2, -4) shouldNotBe strictlyDecreasing<Int>()252            listOf(5, 6) shouldNotBe strictlyDecreasing<Int>()253            listOf(3, 2, -4).shouldBeStrictlyDecreasing()254            listOf(3, 2, 2, -4).shouldNotBeStrictlyDecreasing()255            listOf(5, 6).shouldNotBeStrictlyDecreasing()256         }257         "test that a collection is strictly decreasing according to comparator" {258            val comparator = Comparator(desc)259            listOf(-4, 2, 3) shouldBe strictlyDecreasingWith(comparator)260            listOf(-4, 2, 2, 3) shouldNotBe strictlyDecreasingWith(comparator)261            listOf(6, 5) shouldNotBe strictlyDecreasingWith(comparator)262            listOf(-4, 2, 3).shouldBeStrictlyDecreasingWith(comparator)263            listOf(-4, 2, 2, 3).shouldNotBeStrictlyDecreasingWith(comparator)264            listOf(6, 5).shouldNotBeStrictlyDecreasingWith(comparator)265         }266      }267      "haveDuplicates" should {268         "test that a collection is unique" {269            listOf(1, 2, 3, 3) should containDuplicates()270            listOf(1, 2, 3, 4) shouldNot containDuplicates()271            listOf(1, 2, 3, 3).shouldContainDuplicates()272            listOf(1, 2, 3, 4).shouldNotContainDuplicates()273         }274      }275      "singleElement" should {276         "test that a collection contains a single given element"  {277            listOf(1) shouldBe singleElement(1)278            listOf(1).shouldHaveSingleElement(1)279            shouldThrow<AssertionError> {280               listOf(1) shouldBe singleElement(2)281            }.shouldHaveMessage("Collection should be a single element of 2 but has 1 elements: [1]")282            shouldThrow<AssertionError> {283               listOf(1, 2) shouldBe singleElement(2)284            }.shouldHaveMessage("Collection should be a single element of 2 but has 2 elements: [1, 2]")285         }286      }287      "singleElement with predicate" should {288         "test that a collection contains a single element by given predicate"  {289            listOf(1) shouldHave singleElement { e -> e == 1 }290            listOf(1).shouldHaveSingleElement { e -> e == 1 }291            shouldThrow<AssertionError> {292               listOf(1) shouldHave singleElement { e -> e == 2 }293            }.shouldHaveMessage("Collection should have a single element by a given predicate but has 0 elements: [1]")294            shouldThrow<AssertionError> {295               listOf(2, 2) shouldHave singleElement { e -> e == 2 }296            }.shouldHaveMessage("Collection should have a single element by a given predicate but has 2 elements: [2, 2]")297         }298      }299      "should contain element" should {300         "test that a collection contains an element"  {301            val col = listOf(1, 2, 3)302            col should contain(2)303            col should contain(2.0) // uses strict num equality = false304            shouldThrow<AssertionError> {305               col should contain(4)306            }.shouldHaveMessage("Collection should contain element 4 based on object equality; but the collection is [1, 2, 3]")307         }308      }309      "should contain element based on a custom equality object" should {310         "test that a collection contains an element"  {311            val col = listOf(1, 2, 3.0)312            val verifier = Equality.byObjectEquality<Number>(strictNumberEquality = true)313            col should contain(2, verifier)314            col should contain(3.0, verifier)315            shouldThrow<AssertionError> {316               col should contain(3, verifier)317            }.shouldHaveMessage("Collection should contain element 3 based on object equality; but the collection is [1, 2, 3.0]")318         }319      }320      "shouldBeLargerThan" should {321         "test that a collection is larger than another collection"  {322            val col1 = listOf(1, 2, 3)323            val col2 = setOf(1, 2, 3, 4)324            col2.shouldBeLargerThan(col1)325            col2 should beLargerThan(col1)326            col1 shouldNot beLargerThan(col2)327            shouldThrow<AssertionError> {328               col1.shouldBeLargerThan(col2)329            }.shouldHaveMessage("Collection of size 3 should be larger than collection of size 4")330         }331      }332      "shouldBeSmallerThan" should {333         "test that a collection is smaller than another collection"  {334            val col1 = listOf(1, 2, 3)335            val col2 = setOf(1, 2, 3, 4)336            col1.shouldBeSmallerThan(col2)337            col1 should beSmallerThan(col2)338            col2 shouldNot beSmallerThan(col1)339            shouldThrow<AssertionError> {340               col2.shouldBeSmallerThan(col1)341            }.shouldHaveMessage("Collection of size 4 should be smaller than collection of size 3")342         }343      }344      "shouldBeSameSizeAs" should {345         "test that a collection is the same size as another collection"  {346            val col1 = listOf(1, 2, 3)347            val col2 = setOf(1, 2, 3)348            val col3 = listOf(1, 2, 3, 4)349            col1.shouldBeSameSizeAs(col2)350            col1 should beSameSizeAs(col2)351            col1 shouldNot beSameSizeAs(col3)352            shouldThrow<AssertionError> {353               col1.shouldBeSameSizeAs(col3)354            }.shouldHaveMessage("Collection of size 3 should be the same size as collection of size 4")355         }356      }357      "haveSize" should {358         "test that a collection has a certain size" {359            val col1 = listOf(1, 2, 3)360            col1 should haveSize(3)361            col1.shouldHaveSize(3)362            shouldThrow<AssertionError> {363               col1 should haveSize(2)364            }365            val col2 = emptyList<String>()366            col2 should haveSize(0)367            shouldThrow<AssertionError> {368               col2 should haveSize(1)369            }370            listOf(1, 2, 3).shouldNotHaveSize(1)371            listOf(1, 2, 3).shouldNotHaveSize(4)372            shouldThrow<AssertionError> {373               listOf(1, 2, 3).shouldNotHaveSize(3)374            }.shouldHaveMessage("Collection should not have size 3. Values: [1, 2, 3]")375         }376      }377      "should be singleton" should {378         "pass for collection with a single element" {379            listOf(1).shouldBeSingleton()380         }381         "fail for collection with 0 elements" {382            shouldThrow<AssertionError> {383               listOf<Int>().shouldBeSingleton()384            }.shouldHaveMessage("Collection should have size 1 but has size 0. Values: []")385         }386         "fail for collection with 2+ elements" {387            shouldThrow<AssertionError> {388               listOf(1, 2).shouldBeSingleton()389            }.shouldHaveMessage("Collection should have size 1 but has size 2. Values: [1, 2]")390            shouldThrow<AssertionError> {391               listOf(1, 2, 3, 4).shouldBeSingleton()392            }.shouldHaveMessage("Collection should have size 1 but has size 4. Values: [1, 2, 3, 4]")393         }394      }395      "should be singleton with block" should {396         "pass for collection with a single element" {397            listOf(1).shouldBeSingleton { it shouldBe 1 }398         }399         "fail for collection with 0 elements" {400            shouldThrow<AssertionError> {401               listOf<Int>().shouldBeSingleton { it shouldBe 1 }402            }.shouldHaveMessage("Collection should have size 1 but has size 0. Values: []")403         }404         "fail for collection with a single incorrect elements" {405            shouldThrow<AssertionError> {406               listOf(2).shouldBeSingleton { it shouldBe 1 }407            }.shouldHaveMessage("expected:<1> but was:<2>")408         }409         "fail for collection with 2+ elements" {410            shouldThrow<AssertionError> {411               listOf(1, 2).shouldBeSingleton { it shouldBe 1 }412            }.shouldHaveMessage("Collection should have size 1 but has size 2. Values: [1, 2]")413            shouldThrow<AssertionError> {414               listOf(1, 2, 3, 4).shouldBeSingleton { it shouldBe 1 }415            }.shouldHaveMessage("Collection should have size 1 but has size 4. Values: [1, 2, 3, 4]")416         }417      }418      "should not be singleton" should {419         "pass for collection with 0 elements" {420            listOf<Int>().shouldNotBeSingleton()421         }422         "pass for collection with 2+ elements" {423            listOf(1, 2).shouldNotBeSingleton()424            listOf(1, 2, 3, 4).shouldNotBeSingleton()425         }426         "fail for collection with a single element" {427            shouldThrow<AssertionError> {428               listOf(1).shouldNotBeSingleton()429            }.shouldHaveMessage("Collection should not have size 1. Values: [1]")430         }431      }432      "shouldExist" should {433         "test that a collection contains at least one element that matches a predicate" {434            val list = listOf(1, 2, 3)435            list.shouldExist { it == 2 }436         }437      }438      "shouldHaveAtLeastSize" should {439         "test that a collection has at least a certain number of elements" {440            val list = listOf(1, 2, 3)441            list.shouldHaveAtLeastSize(2)442            list shouldHave atLeastSize(2)443            val set = setOf(1, 2, 3)444            set.shouldHaveAtLeastSize(3)445            set shouldHave atLeastSize(3)446            shouldThrow<AssertionError> {447               list.shouldHaveAtLeastSize(4)448            }.shouldHaveMessage("Collection [1, 2, 3] should contain at least 4 elements")449            shouldThrow<AssertionError> {450               list shouldHave atLeastSize(4)451            }.shouldHaveMessage("Collection [1, 2, 3] should contain at least 4 elements")452            shouldThrow<AssertionError> {453               list shouldNotHave atLeastSize(2)454            }.shouldHaveMessage("Collection [1, 2, 3] should contain less than 2 elements")455         }456      }457      "shouldHaveAtMostSize" should {458         "test that a collection has at least a certain number of elements" {459            val list = listOf(1, 2, 3)460            list.shouldHaveAtMostSize(3)461            list shouldHave atMostSize(3)462            list.shouldHaveAtMostSize(4)463            list shouldHave atMostSize(4)464            val set = setOf(1, 2, 3)465            set.shouldHaveAtMostSize(3)466            set shouldHave atMostSize(3)467            set.shouldHaveAtMostSize(4)468            set shouldHave atMostSize(4)469            shouldThrow<AssertionError> {470               list.shouldHaveAtMostSize(2)471            }.shouldHaveMessage("Collection [1, 2, 3] should contain at most 2 elements")472            shouldThrow<AssertionError> {473               list shouldHave atMostSize(2)474            }.shouldHaveMessage("Collection [1, 2, 3] should contain at most 2 elements")475            shouldThrow<AssertionError> {476               list shouldNotHave atMostSize(4)477            }.shouldHaveMessage("Collection [1, 2, 3] should contain more than 4 elements")478         }479      }480      "containNoNulls" should {481         "test that a collection contains zero nulls"  {482            emptyList<String>() should containNoNulls()483            listOf(1, 2, 3) should containNoNulls()484            listOf(null, null, null) shouldNot containNoNulls()485            listOf(1, null, null) shouldNot containNoNulls()486            emptyList<String>().shouldContainNoNulls()487            listOf(1, 2, 3).shouldContainNoNulls()488            listOf(null, null, null).shouldNotContainNoNulls()489            listOf(1, null, null).shouldNotContainNoNulls()490            shouldThrow<AssertionError> {...

matchers.kt

Source:matchers.kt

...352   )353}354infix fun <T> Iterable<T>.shouldHaveAtMostSize(n: Int) = toList().shouldHaveAtMostSize(n)355infix fun <T> Array<T>.shouldHaveAtMostSize(n: Int) = asList().shouldHaveAtMostSize(n)356infix fun <T> Collection<T>.shouldHaveAtMostSize(n: Int) = this shouldHave atMostSize(n)357fun <T> atMostSize(n: Int) = object : Matcher<Collection<T>> {358   override fun test(value: Collection<T>) = MatcherResult(359      value.size <= n,360      "Collection should contain at most $n elements",361      "Collection should contain more than $n elements"362   )363}364infix fun <T> Iterable<T>.shouldExist(p: (T) -> Boolean) = toList().shouldExist(p)365infix fun <T> Array<T>.shouldExist(p: (T) -> Boolean) = asList().shouldExist(p)366infix fun <T> Collection<T>.shouldExist(p: (T) -> Boolean) = this should exist(p)367fun <T> exist(p: (T) -> Boolean) = object : Matcher<Collection<T>> {368   override fun test(value: Collection<T>) = MatcherResult(369      value.any { p(it) },370      "Collection should contain an element that matches the predicate $p",371      "Collection should not contain an element that matches the predicate $p"...

size.kt

Source:size.kt

...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      )...

atMostSize

Using AI Code Generation

1val list = listOf(1, 2, 3)2list should haveSize(atMost(3))3list should haveSize(atMost(2))4list should haveSize(atMost(1))5list should haveSize(atMost(0))6list should haveSize(atMost(-1))7val list = listOf(1, 2, 3)8list should haveSize(atMost(3))9list should haveSize(atMost(2))10list should haveSize(atMost(1))11list should haveSize(atMost(0))12list should haveSize(atMost(-1))13val list = listOf(1, 2, 3)14list should haveSize(atMost(3))15list should haveSize(atMost(2))16list should haveSize(atMost(1))17list should haveSize(atMost(0))18list should haveSize(atMost(-1))19val list = listOf(1, 2, 3)20list should haveSize(atMost(3))21list should haveSize(atMost(2))22list should haveSize(atMost(1))23list should haveSize(atMost(0))24list should haveSize(atMost(-1))25val list = listOf(1, 2, 3)26list should haveSize(atMost(3))27list should haveSize(atMost(2))28list should haveSize(atMost(1))29list should haveSize(atMost(0))30list should haveSize(atMost(-1))31val list = listOf(1, 2, 3)32list should haveSize(atMost(3))33list should haveSize(atMost(2))34list should haveSize(atMost(1))35list should haveSize(atMost(0))36list should haveSize(atMost(-1))37val list = listOf(1, 2, 3)38list should haveSize(atMost(3))39list should haveSize(atMost(2))40list should haveSize(atMost(1))41list should haveSize(atMost(0))42list should haveSize(atMost(-1))43val list = listOf(1, 2, 3)44list should haveSize(atMost(3))45list should haveSize(atMost(2))46list should haveSize(atMost(1))47list should haveSize(atMost(0))48list should haveSize(atMost(-1))49val list = listOf(1, 2, 3)

atMostSize

Using AI Code Generation

1val list = listOf ( 1 , 2 , 3 , 4 , 5 )2val list = listOf ( 1 , 2 , 3 , 4 , 5 )3val list = listOf ( 1 , 2 , 3 , 4 , 5 )4val list = listOf ( 1 , 2 , 3 , 4 , 5 )5val list = listOf ( 1 , 2 , 3 , 4 , 5 )6val list = listOf ( 1 , 2 , 3 , 4 , 5 )7val list = listOf ( 1 , 2 , 3 , 4 , 5 )8val list = listOf ( 1 , 2 , 3 , 4 , 5 )9val list = listOf ( 1 , 2 , 3 , 4 , 5 )10val list = listOf ( 1 , 2 , 3 , 4 , 5 )11val list = listOf ( 1 , 2 , 3 , 4

atMostSize

Using AI Code Generation

1import io.kotest.matchers.collections.size2import io.kotest.matchers.collections.size3import io.kotest.matchers.collections.size4import io.kotest.matchers.collections.size5import io.kotest.matchers.collections.size6import io.kotest.matchers.collections.size7import io.kotest.matchers.collections.size8import io.kotest.matchers.collections.size9import io.kotest.matchers.collections.size10import io.kotest.matchers.collections.size11import io.kotest.matchers.collections.size

atMostSize

Using AI Code Generation

1"size should match exactly" {2val list = listOf(1, 2, 3)3list should haveSize(3)4list shouldNot haveSize(4)5}6"size should match at least" {7val list = listOf(1, 2, 3)8list should haveSize(atLeast(2))9list shouldNot haveSize(atLeast(4))10}11"size should match at most" {12val list = listOf(1, 2, 3)13list should haveSize(atMost(4))14list shouldNot haveSize(atMost(2))15}16"size should match between" {17val list = listOf(1, 2, 3)18list should haveSize(between(2, 4))19list shouldNot haveSize(between(4, 6))20}21})22@file:Suppress("unused")23import io.kotest.matchers.Matcher24import io.kotest.matchers.MatcherResult25import io.kotest.matchers.should26import io.kotest.matchers.shouldNot27fun <T> Collection<T>.shouldHaveSize(size: Int) = this should haveSize(size)28fun <T> Collection<T>.shouldNotHaveSize(size: Int) = this shouldNot haveSize(size)29fun <T> Collection<T>.shouldHaveSizeBetween(min: Int, max: Int) = this should haveSize(between(min, max))30fun <T> Collection<T>.shouldNotHaveSizeBetween(min: Int, max: Int) = this shouldNot haveSize(between(min, max))31fun <T> Collection<T>.shouldHaveSizeAtLeast(size: Int) = this should haveSize(atLeast(size))32fun <T> Collection<T>.shouldNotHaveSizeAtLeast(size: Int) = this shouldNot haveSize(atLeast(size))33fun <T> Collection<T>.shouldHaveSizeAtMost(size:

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