# How to use existInOrder method of io.kotest.matchers.collections.MatchInOrderSubsetProblem class

Best Kotest code snippet using io.kotest.matchers.collections.MatchInOrderSubsetProblem.existInOrder

CollectionMatchers.kt

Source:CollectionMatchers.kt

`...5import io.kotest.assertions.runWithMode6import io.kotest.matchers.Matcher7import io.kotest.matchers.MatcherResult8import io.kotest.matchers.neverNullMatcher9fun <T> existInOrder(vararg ps: (T) -> Boolean): Matcher<Collection<T>?> = existInOrder(ps.asList())10/**11 * Assert that a collections contains a subsequence that matches the given subsequence of predicates, possibly with12 * values in between.13 */14fun <T> existInOrder(predicates: List<(T) -> Boolean>): Matcher<Collection<T>?> = neverNullMatcher { actual ->15 require(predicates.isNotEmpty()) { "predicates must not be empty" }16 var subsequenceIndex = 017 val actualIterator = actual.iterator()18 while (actualIterator.hasNext() && subsequenceIndex < predicates.size) {19 if (predicates[subsequenceIndex](actualIterator.next())) subsequenceIndex += 120 }21 MatcherResult(22 subsequenceIndex == predicates.size,23 { "\${actual.print().value} did not match the predicates \${predicates.print().value} in order" },24 { "\${actual.print().value} should not match the predicates \${predicates.print().value} in order" }25 )26}27fun <T> haveSize(size: Int): Matcher<Collection<T>> = haveSizeMatcher(size)28fun <T> singleElement(t: T): Matcher<Collection<T>> = object : Matcher<Collection<T>> {...`

existInOrder

Using AI Code Generation

`1import io.kotest.matchers.collections.existInOrder2import io.kotest.matchers.should3import io.kotest.matchers.shouldNot4import org.junit.jupiter.api.Test5import org.junit.jupiter.api.assertThrows6class MatchInOrderSubsetProblemTest {7fun `should contain in order`() {8val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)9list should existInOrder(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)10}11fun `should contain in order with sub list`() {12val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)13list should existInOrder(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)14}15fun `should not contain in order`() {16val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)17list shouldNot existInOrder(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)18}19fun `should not contain in order with sub list`() {20val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)21list shouldNot existInOrder(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)22}23fun `should throw exception`() {24val list = listOf(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)25assertThrows<AssertionError> {26list should existInOrder(1, 2, 3, 4, 5, 6, 7, 8, 9, 10)27}28}29fun `should throw exception with sub list`() {30val list = listOf(1, 2, 3, 4`

existInOrder

Using AI Code Generation

`1val list = listOf(1, 2, 3, 4, 5)2list should existInOrder(2, 4)3val list = listOf(1, 2, 3, 4, 5)4list should existInOrder(2, 4)5val list = listOf(1, 2, 3, 4, 5)6list should existInOrder(2, 4)7val list = listOf(1, 2, 3, 4, 5)8list should existInOrder(2, 4)9val list = listOf(1, 2, 3, 4, 5)10list should existInOrder(2, 4)11val list = listOf(1, 2, 3, 4, 5)12list should existInOrder(2, 4)13val list = listOf(1, 2, 3, 4, 5)14list should existInOrder(2, 4)15val list = listOf(1, 2, 3, 4, 5)16list should existInOrder(2, 4)17val list = listOf(1, 2, 3, 4, 5)18list should existInOrder(2, 4)19val list = listOf(1, 2, 3, 4, 5)`

existInOrder

Using AI Code Generation

`1val collection = listOf(1, 2, 3, 4, 5)2collection.should.existInOrder(2, 3, 4)3val collection = listOf(1, 2, 3, 4, 5)4collection.should.existInOrder(2, 3, 4)5val collection = listOf(1, 2, 3, 4, 5)6collection.should.existInOrder(2, 3, 4)7val collection = listOf(1, 2, 3, 4, 5)8collection.should.existInOrder(2, 3, 4)9val collection = listOf(1, 2, 3, 4, 5)10collection.should.existInOrder(2, 3, 4)11val collection = listOf(1, 2, 3, 4, 5)12collection.should.existInOrder(2, 3, 4)13val collection = listOf(1, 2, 3, 4, 5)14collection.should.existInOrder(2, 3, 4)15val collection = listOf(1, 2, 3, 4, 5)16collection.should.existInOrder(2, 3, 4)`

existInOrder

Using AI Code Generation

`1 list should existInOrder(listOf(1, 2, 3))2 }3 test("list should not exist in order") {4 val list = listOf(1, 2, 3, 4, 5)5 list should notExistInOrder(listOf(1, 2, 3, 4, 5))6 }7}`

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