commonMain.io.kotest.matchers.collections.unique.kt Maven / Gradle / Ivy

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package io.kotest.matchers.collections

import io.kotest.matchers.Matcher
import io.kotest.matchers.MatcherResult
import io.kotest.matchers.should
import io.kotest.matchers.shouldNot

fun  Iterable.shouldBeUnique(): Iterable {
   toList().shouldBeUnique()
   return this
}

fun  Array.shouldBeUnique(): Array {
   asList().shouldBeUnique()
   return this
}

fun  Collection.shouldBeUnique(): Collection {
   this should beUnique()
   return this
}

fun  Iterable.shouldNotBeUnique(): Iterable {
   toList().shouldNotBeUnique()
   return this
}

fun  Array.shouldNotBeUnique(): Array {
   asList().shouldNotBeUnique()
   return this
}

fun  Collection.shouldNotBeUnique(): Collection {
   this shouldNot beUnique()
   return this
}

fun  beUnique() = object : Matcher> {
   override fun test(value: Collection) = MatcherResult(
      value.toSet().size == value.size,
      { "Collection should be Unique" },
      {
         "Collection should contain at least one duplicate element"
      })
}