def taskX = tasks.register('taskX') {
    doLast {
        println 'taskX'
    }
}
def taskY = tasks.register('taskY') {
    doLast {
        println 'taskY'
    }
}
def taskZ = tasks.register('taskZ') {
    doLast {
        println 'taskZ'
    }
}
taskX.configure { dependsOn(taskY) }
taskY.configure { dependsOn(taskZ) }

val taskX by tasks.registering {
    doLast {
        println("taskX")
    }
}
val taskY by tasks.registering {
    doLast {
        println("taskY")
    }
}
val taskZ by tasks.registering {
    doLast {
        println("taskZ")
    }
}
taskX { dependsOn(taskY) }
taskY { dependsOn(taskZ) }

                        println "Task '\$name' file '\${file.name}' with '\${file.text}'"
                    }
                }
            }

            task a(type: TaskA) {
                outputFile = file("output.txt")
            }

            task b(type: TaskB) {
                inputFiles = tasks.a.outputs.files
            }

        task1.assertOutputContains("files = [test2-2.3.jar.txt, test-two-1.3.jar.txt]")

        def task2 = result.groupedOutput.task(":resolve2")
        task2.assertOutputContains("variants = [{artifactType=size, org.gradle.status=integration}, {artifactType=size, org.gradle.status=integration}]")
        task2.assertOutputContains("components = [test:test3:3.4, test:test:1.3]")

tasks.register("task1"){
    println("REGISTER TASK1: This is executed during the configuration phase")
}

tasks.register("task2"){
    println("REGISTER TASK2: This is executed during the configuration phase")
}

tasks.named("task1"){
    println("NAMED TASK1: This is executed during the configuration phase")
    doFirst {

def taskX = tasks.register('taskX') {
    doLast {
        println 'taskX'
        throw new RuntimeException()
    }
}
def taskY = tasks.register('taskY') {
    doLast {
        println 'taskY'
    }
}

val taskX by tasks.registering {
    doLast {
        println("taskX")
    }
}

val taskY by tasks.registering {
    doLast {
        println("taskY")
    }
}

taskX {
    dependsOn(taskY)

val taskX by tasks.registering {
    doLast {
        println("taskX")
    }
}
val taskY by tasks.registering {
    doLast {
        println("taskY")
    }
}
taskY {
    mustRunAfter(taskX)

val taskX by tasks.registering {
    doLast {
        println("taskX")
        throw RuntimeException()
    }
}
val taskY by tasks.registering {
    doLast {
        println("taskY")
    }
}

tasks.register('taskX') {
    dependsOn 'taskY'
    doLast {
        println 'taskX'
    }
}
tasks.register('taskY') {
    doLast {
        println 'taskY'
    }