How to use containNull method of io.kotest.matchers.collections.nulls class

Best Kotest code snippet using io.kotest.matchers.collections.nulls.containNull

matchers.kt

Source: matchers.kt Github

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...22 )23}24fun <T> Iterable<T>.shouldContainNull() = toList().shouldContainNull()25fun <T> Array<T>.shouldContainNull() = asList().shouldContainNull()26fun <T> Collection<T>.shouldContainNull() = this should containNull()27fun <T> Iterable<T>.shouldNotContainNull() = toList().shouldNotContainNull()28fun <T> Array<T>.shouldNotContainNull() = asList().shouldNotContainNull()29fun <T> Collection<T>.shouldNotContainNull() = this shouldNot containNull()30fun <T> containNull() = object : Matcher<Collection<T>> {31 override fun test(value: Collection<T>) =32 MatcherResult(33 value.any { it == null },34 "Collection should contain at least one null",35 "Collection should not contain any nulls"36 )37}38fun <T> Iterable<T>.shouldHaveElementAt(index: Int, element: T) = toList().shouldHaveElementAt(index, element)39fun <T> Array<T>.shouldHaveElementAt(index: Int, element: T) = asList().shouldHaveElementAt(index, element)40fun <T> List<T>.shouldHaveElementAt(index: Int, element: T) = this should haveElementAt(index, element)41fun <T> Iterable<T>.shouldNotHaveElementAt(index: Int, element: T) = toList().shouldNotHaveElementAt(index, element)42fun <T> Array<T>.shouldNotHaveElementAt(index: Int, element: T) = asList().shouldNotHaveElementAt(index, element)43fun <T> List<T>.shouldNotHaveElementAt(index: Int, element: T) = this shouldNot haveElementAt(index, element)44fun <T, L : List<T>> haveElementAt(index: Int, element: T) = object : Matcher<L> {...

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nulls.kt

Source: nulls.kt Github

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...44 asList().shouldContainNull()45 return this46}47fun <T> Collection<T>.shouldContainNull(): Collection<T> {48 this should containNull()49 return this50}51fun <T> Iterable<T>.shouldNotContainNull(): Iterable<T> {52 toList().shouldNotContainNull()53 return this54}55fun <T> Array<T>.shouldNotContainNull(): Array<T> {56 asList().shouldNotContainNull()57 return this58}59fun <T> Collection<T>.shouldNotContainNull(): Collection<T> {60 this shouldNot containNull()61 return this62}63fun <T> containNull() = object : Matcher<Collection<T>> {64 override fun test(value: Collection<T>) =65 MatcherResult(66 value.any { it == null },67 { "Collection should contain at least one null" },68 { "Collection should not contain any nulls" })69}70fun <T> Iterable<T>.shouldContainNoNulls(): Iterable<T> {71 toList().shouldContainNoNulls()72 return this73}74fun <T> Array<T>.shouldContainNoNulls(): Array<T> {75 asList().shouldContainNoNulls()76 return this77}...

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containNull

Using AI Code Generation

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1val list = listOf("a", "b", "c", null)2list should containNull()3val list = listOf("a", "b", "c", null)4list should containNull()5val list = listOf("a", "b", "c", null)6list should containNull()7val list = listOf("a", "b", "c", null)8list should containNull()9val list = listOf("a", "b", "c", null)10list should containNull()11val list = listOf("a", "b", "c", null)12list should containNull()13val list = listOf("a", "b", "c", null)14list should containNull()15val list = listOf("a", "b", "c", null)16list should containNull()17val list = listOf("a", "b", "c", null)18list should containNull()19val list = listOf("a", "b", "c", null)20list should containNull()21val list = listOf("a", "b", "c", null)22list should containNull()23val list = listOf("a", "b", "c", null)24list should containNull()25val list = listOf("a", "b", "c", null)26list should containNull()

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containNull

Using AI Code Generation

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1val list = listOf("a", null, "b")2list.shouldContainNull()3val list = listOf("a", null, "b")4list.shouldNotContainNull()5val list = listOf("a", "b")6list.shouldContainAllNulls()7val list = listOf("a", "b")8list.shouldNotContainAllNulls()9val list = listOf("a", "b")10list.shouldContainNoneNulls()11val list = listOf("a", null, "b")12list.shouldNotContainNoneNulls()13val list = listOf("a", null, "b")14list.shouldContainExactlyNulls()15val list = listOf("a", null, "b")16list.shouldNotContainExactlyNulls()17val list = listOf("a", null, "b")18list.shouldContainAtLeastNulls()19val list = listOf("a", null, "b")20list.shouldNotContainAtLeastNulls()21val list = listOf("a", null, "b")22list.shouldContainAtMostNulls()23val list = listOf("a", null, "b")24list.shouldNotContainAtMostNulls()25val list = listOf("a", null, "b")

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containNull

Using AI Code Generation

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1val nulls = nulls()2nulls.containNull(listOf(1, 2, null, 3)) shouldBe true3nulls.containNull(listOf(1, 2, 3)) shouldBe false4val nulls = nulls()5nulls.containNull(listOf(1, 2, null, 3)) shouldBe true6nulls.containNull(listOf(1, 2, 3)) shouldBe false7val nulls = nulls()8nulls.containNull(listOf(1, 2, null, 3)) shouldBe true9nulls.containNull(listOf(1, 2, 3)) shouldBe false10val nulls = nulls()11nulls.containNull(listOf(1, 2, null, 3)) shouldBe true12nulls.containNull(listOf(1, 2, 3)) shouldBe false13val nulls = nulls()14nulls.containNull(listOf(1, 2, null, 3)) shouldBe true15nulls.containNull(listOf(1, 2, 3)) shouldBe false16val nulls = nulls()17nulls.containNull(listOf(1, 2, null, 3)) shouldBe true18nulls.containNull(listOf(1, 2, 3)) shouldBe false19val nulls = nulls()20nulls.containNull(listOf(1, 2, null, 3)) shouldBe true21nulls.containNull(listOf(1, 2, 3)) shouldBe false22val nulls = nulls()23nulls.containNull(listOf(1, 2, null, 3

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containNull

Using AI Code Generation

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1 import io.kotest.matchers.collections.nulls.containNull2 import io.kotest.matchers.should3 import io.kotest.matchers.shouldNot4 class MyTest {5 fun testNulls() {6 val list = listOf("a", "b", null)7 list should containNull()8 list shouldNot containNull()9 }10 }11dependencies {

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containNull

Using AI Code Generation

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1containNull() should be used to check that the collection contains nulls2containNulls() should be used to check that the collection contains nulls3haveNulls() should be used to check that the collection contains nulls4haveNull() should be used to check that the collection contains nulls5haveNulls() should be used to check that the collection contains nulls6haveNull() should be used to check that the collection contains nulls7haveNulls() should be used to check that the collection contains nulls8haveNull() should be used to check that the collection contains nulls9haveNulls() should be used to check that the collection contains nulls10haveNull() should be used to check that the collection contains nulls11haveNulls() should be used to check that the collection contains nulls12haveNull() should be used to check that the collection contains nulls13haveNulls() should be used to check that the collection contains nulls14haveNull() should be used to check that the collection contains nulls15haveNulls() should be used

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