contentsDir.file('src/wrapper-main/org/gradle/wrapper/GradleWrapperMain.java').assertIsFile()

        // Samples
        contentsDir.file('samples').assertDoesNotExist()

        assertDocsExist(contentsDir, version)
    }

        executer.usingProjectDirectory(file("buildSrc"))
        then:
        succeeds("jar")
        file("buildSrc/.gradle").assertIsDir()
        executer.gradleUserHomeDir.file(BuildScopeCacheDir.UNDEFINED_BUILD).assertDoesNotExist()
    }

    def "treats empty buildSrc as undefined build"() {
        given:
        file("buildSrc").createDir()

        expect:
        executer.usingProjectDirectory(file("buildSrc"))

        result.assertTaskNotExecuted(':application:testAggregateTestReport')

        file("application/build/reports/tests/unit-test/aggregated-results").assertDoesNotExist()
    }

    def 'test verification failure creates aggregated report with --continue flag'() {
        given:file("application/build.gradle") << """
            apply plugin: 'org.gradle.test-report-aggregation'

        cleanupAction.clean(cleanableStore, progressMonitor)

        then:
        cacheEntries[0].assertExists()
        cacheEntries[1].assertExists()
        cacheEntries[2].assertExists()
        cacheEntries[3].assertDoesNotExist()
        1 * fileAccessTimeJournal.deleteLastAccessTime(cacheEntries[3])
    }

    def "finds no files to delete when files are new"() {
        given:
        long now = System.currentTimeMillis()

        and:
        subprojectDir.file("src/main/swift/${SAMPLE_APPLICATION_CLASS}").text.contains("hola()")
        subprojectDir.file("src/test/swift/${SAMPLE_APPLICATION_TEST_CLASS}").assertDoesNotExist()
        subprojectDir.file("src/test/swift/${LINUX_MAIN_DOT_SWIFT}").text.contains("HolaTests.allTests")

        when:
        run("build")

        then:
        executed(":app:test")

    def initialisesCacheWhenCacheDirDoesNotExist() {
        given:
        def emptyDir = temporaryFolder.getTestDirectory().file("dir")

        expect:
        emptyDir.assertDoesNotExist()

        when:

            }
        """
        when:
        succeeds("javadoc")
        then:
        file("build/docs/javadoc/pkg/Foo.html").assertExists()
        file("build/docs/javadoc/pkg/internal/IFoo.html").assertDoesNotExist()
    }

    private TestFile writeSourceFile() {
        file("src/main/java/Foo.java") << "public class Foo {}"
    }

        and:
        // start as new process so journal is not restored from in-memory cache
        executer.withTasks("help").start().waitForFinish()

        then:
        outputDir1.assertDoesNotExist()
        outputDir2.assertExists()
        gcFile.lastModified() >= SECONDS.toMillis(beforeCleanup)
    }

    def "cleans up cache when retention is configured less than the default"() {
        given:

    }

    public TestFile assertIsDir(String hint) {
        assertTrue(String.format("%s is not a directory. %s", this, hint), isDirectory());
        return this;
    }

    public TestFile assertDoesNotExist() {
        if (exists()) {
            Set<String> descendants = new TreeSet<>();
            if (isFile()) {
                throw new AssertionError(String.format("%s should not exist", this));

            }
         """

        expect:
        succeeds "compileDebug"
        result.assertTasksExecuted(":compileDebugSwift", ':compileDebug')
        executable("build/exe/main/debug/App").assertDoesNotExist()
        objectFiles(app.main)*.assertExists()
    }

    def "can use installDirectory as task dependency"() {
        given:
        def app = new SwiftApp()