INIT,
        BUILDSRC_PROJECT,
        BUILDSRC_SETTINGS,
    }

    final TestFile projectDir
    final TestFile scriptFile
    final List<String> buildArguments
    final String expectedOutputBeforeChange = 'Hello!'
    final String expectedOutputAfterChange = 'Hi!'

    ScriptChangeFixture(TestFile projectDir, TestFile scriptFile, List<String> buildArguments) {
        this.projectDir = projectDir

    void hasUsefulDisplayName() {
        def testFile = new File('test-file')
        def testFile2 = new File('test-file2')

        expect:
        new ListBackedFileSet(ImmutableSet.of()).displayName == "empty file collection"
        new ListBackedFileSet(ImmutableSet.of(testFile)).displayName == "file '$testFile'"
        new ListBackedFileSet(ImmutableSet.of(testFile, testFile2)).displayName == "files '$testFile', '$testFile2'"
    }

        private final ScriptLanguage scriptLanguage

        private final List<TestFile> excludedFiles = new ArrayList<>()

        private final List<TestFile> excludedFilesCopies = new ArrayList<>()

        private final List<TestFile> includedFiles = new ArrayList<>()

        private final List<TestFile> includedFilesCopies = new ArrayList<>()

    }

    @Test
    public void canDetermineRootProjectAndDefaultProjectBasedOnBuildFile() {
        testFile("settings.gradle").write("include('child')");

        TestFile rootBuildFile = testFile("build.gradle");
        rootBuildFile.write("task('do-stuff')");

        TestFile childBuildFile = testFile("child/build.gradle");
        childBuildFile.write("task('do-stuff')");

    }

    @Override
    TestFile getSha1File() {
        backingModule.getSha1File(file)
    }

    @Override
    TestFile getMd5File() {
        backingModule.getMd5File(file)
    }

    @Override
    protected TestFile getSha256File() {
        backingModule.getSha256File(file)
    }

    @Override
    protected TestFile getSha512File() {
        backingModule.getSha512File(file)

    </target>
</project>
"""
        testFile('build.gradle') << """
ant.importBuild('project1/build.xml')
ant.importBuild('project2/build.xml')
task ant(dependsOn: [target1, target2])
"""
        TestFile target1File = testFile('project1/build/target1.txt')
        TestFile target2File = testFile('project2/build/target2.txt')
        target1File.assertDoesNotExist()
        target2File.assertDoesNotExist()

    ]

    List<TestFile> writeResources(TestFile testFile) {
        return resources*.writeToDir(testFile)
    }

    String getSourceSetTypeName() {
        "JavaSourceSet"
    }

    def getSourceFileExtensions() {
        return [getLanguageName()]
    }

        return versionDir
    }

    TestFile getGcFile(TestFile currentCacheDir) {
        currentCacheDir.file("gc.properties")
    }

    abstract TestFile getCachesDir()

    abstract static class MarkerFileType {

        public final static MarkerFileType USED_TODAY = new MarkerFileType() {
            @Override
            void process(TestFile markerFile) {
                markerFile.createFile()

        TestFile dslDir = sample.dir.file(dsl)
        executer.inDirectory(dslDir)

        when:
        succeeds(COPY_LIBS_TASK_NAME)

        then:
        assertSingleLib(dslDir, 'jquery-3.2.1-min.js')

        where:
        dsl << ['groovy', 'kotlin']
    }

    private TestFile[] listFilesInBuildLibsDir(TestFile dslDir) {

import org.gradle.test.fixtures.file.TestFile

class ArtifactTransformCacheUnusedVersionCleanupIntegrationTest extends AbstractIntegrationSpec implements FileAccessTimeJournalFixture, GradleUserHomeCleanupFixture {

    TestFile transforms3Dir
    TestFile transforms4Dir
    TestFile currentTransformsDir
    TestFile currentModulesDir


    def setup() {