succeeds "compileDebug"
        result.assertTasksExecuted(tasks.debug.compile, ":compileDebug")
        objectFiles(lib.sources)*.assertExists()
        sharedLibrary("build/lib/main/debug/hello").assertDoesNotExist()
    }

    @ToBeFixedForConfigurationCache
    def "build logic can change source layout convention"() {
        def lib = new CppLib()
        settingsFile << "rootProject.name = 'hello'"

        ideFileContainsEntry("groovy-${groovyVersion}.jar", ["groovy-${groovyVersion}-sources.jar"], [])
    }

    void assertSourcesDirectoryDoesNotExistInDistribution() {
        gradleDistributionSrcDir().assertDoesNotExist()
    }

    private TestFile gradleDistributionSrcDir() {
        return new TestFile(distribution.gradleHomeDir, "src")
    }

    def givenGroovyExistsInGradleRepo() {

            }
        """
        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:
        module.jar.expectPutBroken(HTTP_UNRECOVERABLE_ERROR)

        when:
        fails ':publish'

        then:
        module.jarFile.assertExists()
        module.ivyFile.assertDoesNotExist()
    }

    def "retries artifact upload for transient network error"() {
        given:
        buildFile << """
            apply plugin: 'java'
            apply plugin: 'ivy-publish'

        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:

        def myTaskDir = file("external/output").createDir()

        when:
        succeeds("myTask")
        then:
        dirInBuildDir.assertIsEmptyDir()
        customFile.assertDoesNotExist()
        buildFile.assertExists()
        // We should improve this eventually.  We currently don't delete _all_ outputs from every task

        sha1File.assertIsFile()
        assert HashCode.fromString(sha1File.text) == Hashing.sha1().hashFile(testFile)
    }

    void assertNotPublished() {
        ivyFile.assertDoesNotExist()
    }

    void assertIvyAndJarFilePublished() {
        assertArtifactsPublished(ivyFile.name, jarFile.name)
        assertPublished()
    }

    void assertMetadataAndJarFilePublished() {

        file("build/output/file.txt").assertExists()

        when:
        succeeds("clean")
        then:
        result.assertTasksExecuted(":clean")
        file("build/output/file.txt").assertDoesNotExist()

        when:
        succeeds("customTask")
        then:
        result.assertTasksExecuted(":customTask")
        file("build/output/file.txt").assertExists()
    }

    }

    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()