}

        @Override
        void beforeScenario(ScenarioContext context) {
            def gradleProps = new File(invocation.projectDir, "gradle.properties")
            gradleProps << "\norg.gradle.java.home=${buildJavaHome.absolutePath.replace("\\", "/")}\n"
            gradleProps << "\nsystemProp.javaVersion=${javaVersion.majorVersion}\n"
        }
    }

    @Override
    String toString() {

        settingsFile << """
            println(gradleProp + '!')
        """

        when:
        configurationCacheRun "help", "-D${SYSTEM_PROJECT_PROPERTIES_PREFIX}gradleProp=1"

        then:
        outputContains '1!'
        configurationCache.assertStateStored()

        when:
        configurationCacheRun "help", "-D${SYSTEM_PROJECT_PROPERTIES_PREFIX}gradleProp=1"

        then:
        outputDoesNotContain '1!'

    val systemProp = System.getProperty(propertyName)
    val gradleProp = gradleProperties.gradleProperties.find(propertyName)
    return when {
        // System properties have precedence, same as in LayoutToPropertiesConverter
        systemProp != null -> systemProp == "true"
        gradleProp != null -> gradleProp == "true"
        else -> defaultValue.also { whenUnset?.invoke() }
    }