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 Github

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...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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