settingsFile << "rootProject.name = '$projectName'"

        buildFile << """
task sayHello {
    group = 'Build'

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

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

        then:
        output.contains("""
Build tasks
-----------
sayHello (org.gradle.api.DefaultTask)""")
    }

    }

    final SourceFile sourceFile = new SourceFile("cpp", "main.cpp", """
    #include "greeter.h"

    int main(int argc, char** argv) {
        Greeter greeter;
        greeter.sayHello();
        return 0;
    }
    """)

    @Override
    String getExpectedOutput() {
        return greeter.expectedOutput
    }

> Task :sayHello

        sourceFile("swift", "main.swift", """
            func main() -> Int {
        #if WITH_FEATURE
              print("hi from main")
        #endif
              let greeter = Greeter()
              greeter.sayHello()
              return 0
            }

            _ = main()
        """)
    }

    AppElement withFeatureEnabled() {
        return new AppElement() {
            @Override

    }

    @Override
    List<XCTestCaseElement> getTestCases() {
        return [testCase("testCanInstantiateGreeterAndInvokeSayHelloWithoutException",
            "let greeter = Greeter()\ngreeter.sayHello()")]
    }

    @Override
    SourceFile getSourceFile() {
        sourceFile("swift", "greeter.swift", """
            public class Greeter {
                public init() {}
                public func sayHello() {
                    print("${HelloWorldApp.HELLO_WORLD}")
                }
            }
        """)
    }

    @Override
    String getExpectedOutput() {
        return "${HelloWorldApp.HELLO_WORLD}\n"

#import "greeter.h"

int main (int argc, const char * argv[])
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];

    Greeter *greeter = [Greeter new];
    [greeter sayHello];
    [greeter release];

    [pool drain];

    return 0;

    @Override
    SourceFile getMainSource() {
        return new SourceFile("c", "main.c", """
                #include <stdio.h>
                #include "hello.h"

                int main () {
                    sayHello();
                    printf("%d", sum(5, 7));
                    return 0;
                }
            """)
    }

    #include <iostream>
    #include "sum.h"
    #include "greeter.h"

    int main(int argc, char** argv) {
        Greeter greeter;
        greeter.sayHello();
        Sum sum;
        std::cout << sum.sum(5, 7) << std::endl;
        return 0;
    }
    """)

    @Override
    String getExpectedOutput() {

    #include <iostream>
    #include "greeter.h"

    int main(int argc, char** argv) {
    #ifdef WITH_FEATURE
        std::cout << "hi from main" << std::endl;
    #endif
        Greeter greeter;
        greeter.sayHello();
        return 0;
    }
    """)

    @Override
    String getExpectedOutput() {
        return greeter.expectedOutput
    }

    AppElement withFeatureEnabled() {
        return new AppElement() {