import kotlin.test.Test
import kotlin.test.assertNotNull

class AppTest {
    @Test fun appHasAGreeting() {
        val classUnderTest = App()
        assertNotNull(classUnderTest.greeting, "app should have a greeting")
    }

# tag::cli[]
# gradle --quiet hello greeting
# end::cli[]
executable: gradle
args: hello greeting
flags: --quiet
expected-output-file: customTaskWithProperty.out

        workerClass.constructorAction = "this.executor = executor"
        workerClass.action = """
            def theGreeting = parameters.greeting
            parameters.childSubmissions.times {
                executor.$nestedIsolationMode().submit(SecondLevelExecution) {
                    greeting.set(theGreeting)
                }
            }
        """
        return workerClass
    }

commands: [{
    executable: gradle
    args: tasks -q
    flags: "--include-build=greeting-plugin"
},{
    execution-subdirectory: greeting-plugin
    executable: gradle
    args: tasks -q

interface GreetingPluginExtension {
    val message: Property<String>
}

class GreetingPlugin : Plugin<Project> {
    override fun apply(project: Project) {
        // Add the 'greeting' extension object
        val extension = project.extensions.create<GreetingPluginExtension>("greeting")
        extension.message.convention("Hello from GreetingPlugin")
        // Add a task that uses configuration from the extension object
        project.task("hello") {

import org.gradle.api.DefaultTask
import org.gradle.api.tasks.TaskAction
import org.gradle.api.tasks.Input

class GreetingTask extends DefaultTask {

    @Input
    String greeting = 'hello from GreetingTask'

    @TaskAction
    def greet() {
        println greeting
    }

${fileComment.multilineComment}
#include <iostream>
#include <stdlib.h>
#include "app.h"

std::string ${namespace.groovyString}::Greeter::greeting() {
    return std::string("Hello, World!");
}

int main () {
    ${namespace.groovyString}::Greeter greeter;
    std::cout << greeter.greeting() << std::endl;
    return 0;

import org.scalatest.funsuite.AnyFunSuite
import org.junit.runner.RunWith
import org.scalatestplus.junit.JUnitRunner

@RunWith(classOf[JUnitRunner])
class AppSuite extends AnyFunSuite {
  test("App has a greeting") {
    assert(App.greeting() != null)
  }

${fileComment.multilineComment}${packageDecl.statement}
import spock.lang.Specification

class AppTest extends Specification {
    def "application has a greeting"() {
        setup:
        def app = new App()

        when:
        def result = app.greeting

        then:
        result != null
    }

interface GreetingPluginExtension {
    val message: Property<String>
}

class GreetingPlugin : Plugin<Project> {
    override fun apply(project: Project) {
        // Add the 'greeting' extension object
        val extension = project.extensions.create<GreetingPluginExtension>("greeting")
        // Add a task that uses configuration from the extension object
        project.task("hello") {
            doLast {
                println(extension.message.get())