commonMain.io.kotest.matchers.collections.bounds.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

infix fun > Iterable.shouldHaveUpperBound(t: T): Iterable {
   toList().shouldHaveUpperBound(t)
   return this
}

infix fun > Array.shouldHaveUpperBound(t: T): Array {
   asList().shouldHaveUpperBound(t)
   return this
}

infix fun , C : Collection> C.shouldHaveUpperBound(t: T): C {
   this should haveUpperBound(t)
   return this
}

fun , C : Collection> haveUpperBound(t: T) = object : Matcher {
   override fun test(value: C) = MatcherResult(
      value.all { it <= t },
      { "Collection should have upper bound $t" },
      { "Collection should not have upper bound $t" })
}

infix fun > Iterable.shouldHaveLowerBound(t: T): Iterable {
   toList().shouldHaveLowerBound(t)
   return this
}

infix fun > Array.shouldHaveLowerBound(t: T): Array {
   asList().shouldHaveLowerBound(t)
   return this
}

infix fun , C : Collection> C.shouldHaveLowerBound(t: T): C {
   this should haveLowerBound(t)
   return this
}

fun , C : Collection> haveLowerBound(t: T) = object : Matcher {
   override fun test(value: C) = MatcherResult(
      value.all { t <= it },
      { "Collection should have lower bound $t" },
      { "Collection should not have lower bound $t" })
}