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How to use isEmpty method of io.kotest.core.config.DefaultExtensionRegistry class

Best Kotest code snippet using io.kotest.core.config.DefaultExtensionRegistry.isEmpty

ExtensionRegistry.kt

Source:ExtensionRegistry.kt

...4   fun all(): List<Extension>5   fun add(extension: Extension)6   fun remove(extension: Extension)7   fun clear()8   fun isEmpty(): Boolean9   fun isNotEmpty(): Boolean10}11class DefaultExtensionRegistry : ExtensionRegistry {12   private val extensions = mutableListOf<Extension>()13   override fun all(): List<Extension> = extensions.toList()14   override fun add(extension: Extension) {15      extensions.add(extension)16   }17   override fun remove(extension: Extension) {18      extensions.remove(extension)19   }20   override fun clear() {21      extensions.clear()22   }23   override fun isEmpty(): Boolean = extensions.isEmpty()24   override fun isNotEmpty(): Boolean = extensions.isNotEmpty()25}26object EmptyExtensionRegistry : ExtensionRegistry {27   override fun all(): List<Extension> = emptyList()28   override fun add(extension: Extension) {29      throw UnsupportedOperationException()30   }31   override fun remove(extension: Extension) {32      throw UnsupportedOperationException()33   }34   override fun clear() {35      throw UnsupportedOperationException()36   }37   override fun isEmpty(): Boolean = true38   override fun isNotEmpty(): Boolean = false39}40class FixedExtensionRegistry(private vararg val extensions: Extension) : ExtensionRegistry {41   override fun all(): List<Extension> = extensions.toList()42   override fun add(extension: Extension) {43      throw UnsupportedOperationException()44   }45   override fun remove(extension: Extension) {46      throw UnsupportedOperationException()47   }48   override fun clear() {49      throw UnsupportedOperationException()50   }51   override fun isEmpty(): Boolean = extensions.isEmpty()52   override fun isNotEmpty(): Boolean = extensions.isNotEmpty()53}...

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