# How to use beUnique method of io.kotest.matchers.sequences.matchers class

Best Kotest code snippet using io.kotest.matchers.sequences.matchers.beUnique

matchers.kt

Source:matchers.kt

`...136 { "Sequence should have lower bound \$t" },137 { "Sequence should not have lower bound \$t" }138 )139}140fun <T> Sequence<T>.shouldBeUnique() = this should beUnique()141fun <T> Sequence<T>.shouldNotBeUnique() = this shouldNot beUnique()142fun <T> beUnique() = object : Matcher<Sequence<T>> {143 override fun test(value: Sequence<T>) = MatcherResult(144 value.toSet().size == value.count(),145 { "Sequence should be Unique" },146 { "Sequence should contain at least one duplicate element" }147 )148}149fun <T> Sequence<T>.shouldContainDuplicates() = this should containDuplicates()150fun <T> Sequence<T>.shouldNotContainDuplicates() = this shouldNot containDuplicates()151fun <T> containDuplicates() = object : Matcher<Sequence<T>> {152 override fun test(value: Sequence<T>) = MatcherResult(153 value.toSet().size < value.count(),154 { "Sequence should contain duplicates" },155 { "Sequence should not contain duplicates" }156 )...`

beUnique

Using AI Code Generation

`1 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()2 println(result)3 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()4 println(result)5 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()6 println(result)7 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()8 println(result)9 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()10 println(result)11 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()12 println(result)13 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()14 println(result)15 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()16 println(result)17 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()18 println(result)19 val result = sequenceOf(1, 2, 3, 4, 5).beUnique()20 println(result)21 val result = sequenceOf(1`

beUnique

Using AI Code Generation

`1val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . not . beUnique ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 )2val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . haveSize ( 10 )3val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . haveSameElementsAs ( sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) )4val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . startWith ( sequenceOf ( 1 , 2 , 3 , 4 , 5 ) )5val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . endWith ( sequenceOf ( 6 , 7 , 8 , 9 , 10 ) )6val seq = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ) seq . should . containAll ( sequenceOf ( 1 , 2 , 3 , 4 , 5 ) )`

beUnique

Using AI Code Generation

`1val numbers = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 )2numbers . should ( haveUniqueElements () )3val numbers = listOf ( 1 , 2 , 3 , 4 , 5 , 6 )4numbers . should ( haveUniqueElements () )5val numbers = mapOf ( "one" to 1 , "two" to 2 , "three" to 3 , "four" to 4 )6numbers . should ( haveUniqueElements ( Pair :: second ))7val numbers = mapOf ( "one" to 1 , "two" to 2 , "three" to 3 , "four" to 4 )8numbers . should ( haveUniqueElements ( Pair :: first ))9val numbers = sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 )10numbers . should ( haveUniqueElements ())11val numbers = listOf ( 1 , 2 , 3 , 4 , 5 , 6 )12numbers . should ( haveUniqueElements ())13val numbers = mapOf ( "one" to 1 , "two" to 2 , "three" to 3 , "four" to 4 )14numbers . should ( haveUniqueElements ( Pair :: second ))15val numbers = mapOf ( "one" to 1 , "two"`

beUnique

Using AI Code Generation

`1use ( "test for beUnique" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( beUnique ()) }2use ( "test for beEmpty" ) { sequenceOf (). should ( beEmpty ()) }3use ( "test for haveCount" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( haveCount ( 10 )) }4use ( "test for haveCountGreaterThanOrEqual" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( haveCountGreaterThanOrEqual ( 10 )) }5use ( "test for haveCountLessThanOrEqual" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( haveCountLessThanOrEqual ( 10 )) }6use ( "test for haveCountGreaterThan" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( haveCountGreaterThan ( 10 )) }7use ( "test for haveCountLessThan" ) { sequenceOf ( 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 ). should ( haveCountLessThan ( 10 )) }8use (`

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