then:
        testFile("build/resources/main/prod.resource").assertExists()
        testFile("build/classes/java/main/prod.resource").assertDoesNotExist()

        testFile("build/resources/test/test.resource").assertExists()
        testFile("build/classes/java/test/test.resource").assertDoesNotExist()

        testFile("build/classes/java/main/Main.class").assertExists()

            return delegateResult
        }

        then:
        immutableWorkspace.assertDoesNotExist()
        temporaryWorkspace.file("output.txt").assertIsFile()
        temporaryWorkspace.file("origin.bin").assertDoesNotExist()
        0 * _

        when:
        def resolvedResult = result.getOutputAs(Object)

        then:

                destinationDirectory = buildDir
                archiveFileName = 'test.tar'
            }
            """
        when:
        run "tar"

        then:
        file('build/test.tar').assertDoesNotExist()
    }

    def canCopyFromATar() {
        given:
        createTar('test.tar') {
            subdir1 {
                file 'file1.txt'
            }
            subdir2 {

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

        then:
        buildscriptClasses.assertDoesNotExist()

        when:
        createBuildFileThatPrintsClasspathURLs("""
            classpath name: 'a', version: '1'
        """)
        succeeds("showBuildscript")

        then:

        return artifacts
    }

    List<VariantMetadataSpec> getVariants() {
        return variants
    }

    void assertNotPublished() {
        pomFile.assertDoesNotExist()
        moduleMetadata.file.assertDoesNotExist()
    }

    void assertPublished() {
        assert pomFile.assertExists()
        assert parsedPom.groupId == groupId
        assert parsedPom.artifactId == artifactId

        succeeds "compileDebug"
        result.assertTasksExecuted(":compileDebugSwift", ":compileDebug")
        objectFiles(lib)*.assertExists()
        sharedLibrary("build/lib/main/debug/${lib.moduleName}").assertDoesNotExist()
    }

    def "build logic can change source layout convention"() {
        given:
        def lib = new SwiftLib()
        settingsFile << "rootProject.name = '${lib.projectName}'"

            }
        """
        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 {}"
    }

        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()
    }