}

"""

        when:
        executer.withArgument("-Dprop=123")
        run("thing")

        then:
        executedAndNotSkipped(":thing")

        when:
        executer.withArgument("-Dprop=123")
        run("thing")

        then:
        skipped(":thing")

        when:
        executer.withArgument("-Dprop=abc")
        run("thing")

        then:

            }
        """

        file("src/main/java/Thing.java") << """
            /** Some thing. */
            public class Thing { }
        """
        executer.withArgument("-Porg.gradle.java.installations.paths=" + jvm.javaHome.absolutePath)
    }

    def "can compile source and run JUnit tests using target Java version"() {
        given:

                'init.gradle'("""
                    // init script
                    ${this.instrument('"init"')}
                """)
            }
        }

        when:
        executer.withArgument('-Igradle/init.gradle')
        run 'help'

        then:
        def scripts = scriptDetails()
        scripts.size() == 2
        hasScript('init', scripts)

        then:
        skipped(":someTask")

        // add property
        when:
        buildFile << """
someTask.inputs.property("b", 12)
"""
        and:
        executer.withArgument("-i")
        run "someTask"

        then:
        executedAndNotSkipped(":someTask")
        outputContains("Input property 'b' has been added for task ':someTask'")

        when:

@Requires(IntegTestPreconditions.NotDaemonExecutor)
class SingleUseDaemonIntegrationTest extends AbstractIntegrationSpec implements DaemonJvmPropertiesFixture, JavaToolchainFixture {

    def setup() {
        executer.withArgument("--no-daemon")
        executer.requireIsolatedDaemons()
    }

    def "forks build when JVM args are requested"() {
        requireJvmArg('-Xmx64m')

        file('build.gradle') << "println 'hello world'"

        and:
        pidFile().exists()
        def pid2 = pidFile().text.strip() as long
        pid2 == pid1
    }

    private void startBuild(String task) {
        executer
            .withArgument('--debug')
            .withWorkerDaemonsExpirationDisabled()
            .withTasks(task)

        client = new DaemonClientFixture(executer.start())
    }

    private void cancelBuild() {

        m2.assertNoLeftoverState()

        m2.isolateMavenLocalRepo(executer)
        executer.beforeExecute {
            withArgument("-Dorg.gradle.internal.repository.max.tentatives=$maxHttpRetries")
            if (maxUploadAttempts != null) {
                withArgument("-Dorg.gradle.internal.network.retry.max.attempts=$maxUploadAttempts")
            }
        }
    }

    def cleanup() {

            barrier.expectConcurrent("child-build-finished", "1-finished", "2-finished")
        }

        when:
        runs.times {
            executer.withArgument("--parallel")
            run 'otherBuild'
        }

        then:
        noExceptionThrown()

        and:
        def runNestedBuildOps = buildOperations.all(RunNestedBuildBuildOperationType)

                    username = "correct-username"
                    password = "correct-password"
                }
            }
        """

        when:
        executer.withArgument("--info")
        withBuildCache().run "assemble"
        then:
        outputDoesNotContain("correct-username")
        outputDoesNotContain("correct-password")
    }

        given:
        buildFile << publicationBuildWithoutCredentials(version, group, mavenRemoteRepo.uri)

        if (!extraChecksums) {
            executer.withArgument("-Dorg.gradle.internal.publish.checksums.insecure=true")
            module.withoutExtraChecksums()
        }
        expectModulePublish(module, extraChecksums)

        when:
        succeeds 'publish'