}
"""

        and:
        file("src/main/headers/head.h") << """
            void cppOut();

            extern "C" {
                void cOut();
            }
"""

        file("src/main/cpp/main.cpp") << """
            #include "head.h"

            int main () {
                cppOut();
                cOut();
                return 0;
            }
"""

import org.gradle.integtests.fixtures.SourceFile

import static org.gradle.nativeplatform.fixtures.app.SourceFileElement.ofFile

class CppSum extends CppSourceFileElement implements SumElement {
    final SourceFileElement header
    final SourceFileElement source

    CppSum(String publicHeadersDir = "headers") {
        header = ofFile(new SourceFile(publicHeadersDir, "sum.h", """
#ifdef _WIN32

import org.gradle.nativeplatform.fixtures.app.CppGreeter
import org.gradle.nativeplatform.fixtures.app.CppMultiply
import org.gradle.nativeplatform.fixtures.app.CppSourceElement
import org.gradle.nativeplatform.fixtures.app.CppSum
import org.gradle.nativeplatform.fixtures.app.IncrementalCppElement
import org.gradle.nativeplatform.fixtures.app.IncrementalElement
import org.gradle.nativeplatform.fixtures.app.SourceElement

package org.gradle.nativeplatform.fixtures.app

/**
 * A single project C++ library, with several source files.
 */
class CppLib extends CppSourceElement {
    final greeter = new CppGreeter().asLib()
    final sum = new CppSum().asLib()

    @Override
    SourceElement getHeaders() {
        ofElements(greeter.headers, sum.headers)
    }

    SourceElement getPublicHeaders() {
        ofElements(greeter.publicHeaders, sum.publicHeaders)

/**
 * A Cpp app that remove all sources.
 */
class IncrementalCppStaleLinkOutputApp extends IncrementalCppElement implements AppElement {
    private final greeter = new CppGreeter()
    private final sum = new CppSum()
    private final main = new CppMain(greeter, sum)

    final List<IncrementalElement.Transform> incrementalChanges = [
        delete(greeter), delete(sum), delete(main)]

 */

package org.gradle.nativeplatform.fixtures.app

class IncrementalCppStaleCompileOutputApp extends IncrementalCppApp {
    private final greeter = new CppGreeter()
    private final sum = new CppSum()
    private final multiply = new CppMultiply()
    private final main = new CppMain(greeter, sum)

    final List<IncrementalElement.Transform> incrementalChanges = [
        preserve(greeter),
        rename(sum),

 * limitations under the License.
 */

package org.gradle.nativeplatform.fixtures.app

class IncrementalCppStaleCompileOutputLib extends IncrementalCppElement {
    final greeter = new CppGreeter()
    final sum = new CppSum()
    final multiply = new CppMultiply()

    final List<IncrementalElement.Transform> incrementalChanges = [
        preserve(greeter),
        rename(sum),
        delete(multiply)
    ]

/**
 * A Cpp library that removes all sources.
 */
class IncrementalCppStaleLinkOutputLib extends IncrementalCppElement {
    private final greeter = new CppGreeter()
    private final sum = new CppSum()

    final List<IncrementalElement.Transform> incrementalChanges = [
        delete(greeter.asLib()), delete(sum.asLib())]

/**
 * A single project C++ app, with several source files.
 */
class CppApp extends CppSourceElement implements AppElement {
    final greeter = new CppGreeter()
    final sum = new CppSum()
    final main = new CppMain(greeter, sum)

    @Override
    SourceElement getSources() {
        return ofElements(main, greeter.sources, sum.sources)
    }

    @Override
    SourceElement getHeaders() {

 * limitations under the License.
 */

package org.gradle.nativeplatform.fixtures.app

import org.gradle.integtests.fixtures.SourceFile

class CppSimpleUnitTest extends CppSourceElement {
    final sum = new CppSum()
    final sumTest = new CppSumTest()

    List<SourceFile> sourceFiles = [
        new SourceFile("cpp", "test.cpp", """
            int main(int argc, char **argv) {
              if (42 == 42) {