file('sub1/build.gradle') << """
task sayHello {
    group = 'Build'

    doLast {
        println "Hello!"
    }
}"""
        file('sub2/build.gradle') << """
task sayHello {
    group = 'Build'

    doLast {
        println "Hello!"
    }
}"""

        when:
        succeeds "tasks", "--types", "--all"

        then:
        output.contains("""

        "map values"              | ["key1": "Hello", "key2": null]                                         | IllegalStateException | "Null value is not allowed for the nested collection property 'nested.key2'"
        "map keys"                | ["key1": "Hello", (null): "Hello"]                                      | NullPointerException  | "Null keys in nested map 'nested' are not allowed."

        when:
        configurationCacheRun "greet"

        then:
        configurationCache.assertStateStored()
        output.contains("Hello!")

        when:
        configurationCacheRun "greet"

        then:
        configurationCache.assertStateLoaded()
        output.contains("Hello!")
    }

    def "#usage property from properties file used as build logic input"() {
        given:

        then:
        groupedOutput.strippedOutput == '''
> Task :run
Hello, World!


BUILD SUCCESSFUL in 6s
1 actionable task: 1 executed
'''
        groupedOutput.task(':run').output == 'Hello, World!'
    }

    def "accepts start of embedded build as end of group"() {
        def consoleOutput = """
> Task :helloWorld
Hello, World!

> :otherBuild > :abc"""

        when:

create in the script's temporary file system before it starts executing.

As an example, run_hello.txt says:

	# hello world
	go run hello.go
	stderr 'hello world'
	! stdout .

	-- hello.go --
	package main
	func main() { println("hello world") }

Each script runs in a fresh temporary work directory tree, available to scripts as $WORK.

        project.tasks.register("greeting") { task ->                // Register a task
            task.doLast {
                println("Hello from plugin 'com.tutorial.greeting'")  // Hello world printout
            }
        }
    }
}
----
=====
[.multi-language-sample]
=====
.gradle/license-plugin/plugin/src/main/groovy/license/LicensePlugin.groovy

                        useModule("org.gradle:gradle-hello-world-plugin:0.1")
                    }
                }
                repositories {
                    gradlePluginPortal()
                }
            }
        """

        when:
        succeeds("helloWorld")

        then:
        output.contains("Hello World!")
    }

    Mac mac = Mac.getInstance("HmacSHA1");
    mac.init(SHA1_KEY);
    mac.update("hello".getBytes(UTF_8));
    mac.update("world".getBytes(UTF_8));

    assertEquals(
        HashCode.fromBytes(mac.doFinal()),
        Hashing.hmacSha1(SHA1_KEY)
            .newHasher()
            .putString("hello", UTF_8)
            .putString("world", UTF_8)
            .hash());
  }

    #
    # templates:
    #   hello: |
    #     metadata:
    #       labels:
    #         hello: world
    #
    # Then starting a pod with the `inject.istio.io/templates: hello` annotation, will result in the pod
    # being injected with the hello=world labels.
    # This is intended for advanced configuration only; most users should use the built in template

    PrintWriter w = new PrintWriter(Files.newWriter(temp, Charsets.UTF_8));
    w.println("hello");
    w.println("");
    w.println(" world  ");
    w.println("");
    w.close();

    assertEquals("hello", Files.readFirstLine(temp, Charsets.UTF_8));
    assertEquals(
        ImmutableList.of("hello", "", " world  ", ""), Files.readLines(temp, Charsets.UTF_8));

    assertTrue(temp.delete());
  }