}
    }

    /**
     * For all modules providing a capability, always use the preferred module, even if there's no conflict.
     * In other words, will forcefully upgrade all modules providing a capability to a selected module.
     *
     * @param to the preferred module
     */
    private
    fun ConfigurationContainer.forceUpgrade(to: String, version: String) = all {
        resolutionStrategy.dependencySubstitution {

    val testNameParameterName = "testName"
    val testTaskOptionsParameterName = "testTaskOptions"
    val daemon = true
    applyDefaultSettings(os, arch, buildJvm = BuildToolBuildJvm, timeout = 0)

    // Show all failed tests here, since that is what we are interested in
    failureConditions.supportTestRetry = false

        try {
            return ClassLoader.getSystemClassLoader().loadClass(agentClassName);
        } catch (ClassNotFoundException e) {
            // This typically means that the agent is not loaded at all.
            // For now, this happens when running in a no-daemon mode, or when the Gradle distribution is not available.
            LoggerFactory.getLogger(AgentControl.class).debug("Agent {} is not loaded", agentClassName);

                resolvedProjectConfigurations.add(new ResolvedProjectConfiguration(projectComponentId.getIdentityPath(), node.getMetadata().getName()));
            }
        }
    }

    /**
     * Mark all configurations corresponding to visited project variant nodes as observed.
     */
    public void complete(ConfigurationInternal.InternalState requestedState) {

        then:
        hasSystemProperty('mySystemProperty', 'defined in the client JVM')
    }

    def "Passing an empty map to withSystemProperties() hides all client system properties"() {
        setup:
        toolingApi.requireDaemons() // no separate daemon JVM -> all client JVM system properties are expected to be visible

        when:
        runTask { withSystemProperties([:]) }

        then:

// This test doesn't live in :instrumentation-agent to avoid the latter being implicitly added to
// the test runtime classpath as part of the main source set's output.
// It is important to have the agent appended to the classpath of all integration tests.
class AgentApplicationTest extends AbstractIntegrationSpec {
    def "agent is enabled by default"() {
        given:
        withDumpAgentStatusTask()

        when:
        succeeds()

        then:
        fixture.assertNoConfigurationCache()

        originalUpdatedModel.children.path == [":a", ":b"]
        originalUpdatedModel.children.all[0].tasks.name.contains("something")


        when:
        executer.withArguments(ENABLE_CLI)
        def updatedModel = fetchModel(GradleProject)

        then:
        fixture.assertStateUpdated {

                override fun apply(project: Project) {
                    var value = ${read.kotlinExpression}
                    println("apply = " + value)

                    // Call from a function body
                    val f = { p: String ->
                        println("\$p FUNCTION = " + System.getProperty("FUNCTION"))
                    }
                    f("apply")

     *
     * The standard {@link Class#cast(Object)} method produces unsatisfactory error messages on some platforms
     * when it fails. All this method does is provide a better, consistent, error message.
     *
     * This should be used whenever there is a chance the cast could fail. If in doubt, use this.
     *
     * @param outputType The type to cast the input to

     */
    fun disableForCurrentThread() {
        ++inputTrackingDisabledCounterForThread
    }

    /**
     * Restores the input tracking state to the state it was in before the last call to
     * [disableForCurrentThread].
     */
    fun restoreForCurrentThread() {
        Preconditions.checkState(inputTrackingDisabledCounterForThread > 0, "Restore input tracking state without prior disable is detected")