file('other-build/build.gradle') << """
            tasks.register('doSomething') {
                doLast {
                    println 'do something'
                }
            }
        """

        when:
        executeTaskViaGradleProjectLaunchable("doSomething")

        then:
        assertHasBuildSuccessfulLogging()
        outputContains("do something")
    }

"""
        buildFile << """
// Build script contains only methods
def broken() {
    throw new RuntimeException('failure')
}

def doSomething() {
    broken()
}
"""
        final childBuildFile = file("child/build.gradle")
        childBuildFile << """
    doSomething()
"""

        when:
        fails()

        then:

        file('other-build/settings.gradle') << """
            rootProject.name = 'other-build'
            include 'sub'
        """
        file('other-build/sub/build.gradle') << """
            tasks.register('doSomething') {
                doLast {
                    println 'do something'
                }
            }
        """

        when:
        toolingApi.withConnection { ProjectConnection connection ->

                abstract DirectoryProperty getSources()

                @OutputFile
                abstract RegularFileProperty getOutputFile()

                @TaskAction
                void doSomething() {
                    outputFile.get().asFile.text = "executed"
                }
            }

            tasks.register("taskWithInputs", TaskWithInputs) {
                sources.set(file("inputDir"))

        file('other-build/settings.gradle') << """
            rootProject.name = 'other-build'
            include 'sub'
        """
        file('other-build/sub/build.gradle') << """
            tasks.register('doSomething') {
                doLast {
                    println 'do something'
                }
            }
        """

        when:
        toolingApi.withConnection { ProjectConnection connection ->

                File outputFile

                @Optional
                @OutputFile
                File secondaryOutputFile

                @TaskAction
                void doSomething() {
                    outputFile.text = inputFile.text
                    if (secondaryOutputFile != null) {
                        secondaryOutputFile.text = "secondary"
                    }
                }

            import ${FileCollectionFactory.name}

            class CustomTask extends DefaultTask {
                @Optional @$annotation.simpleName input
                @TaskAction void doSomething() {
                    def fileCollectionFactory = services.get(FileCollectionFactory)
                    GetInputFilesVisitor visitor = new GetInputFilesVisitor("ownerName", fileCollectionFactory)

                ${supportsInputChanges ? "@Incremental" : ""}
                @InputDirectory
                def File inputDir
                @TaskAction
                void doSomething(${parameterType} inputs) {}

                @Optional
                @OutputFile
                public File getOutputFile() {
                    return null;
                }
            }

                File outputFile

                public TaskWithInputs() {
                    sources = project.files()
                }

                @TaskAction
                void doSomething() {
                    outputFile.withWriter { writer ->
                        sources.each { writer.println it }
                    }
                }
            }
        """
    }

                abstract Property<String> getInput()

                @OutputFile
                abstract RegularFileProperty getOutput()

                @TaskAction
                void doSomething() {
                    output.get().asFile.text = input.get()
                }
            }

            task invalid(type: InvalidTask) {
                input = "invalid"