when:
        boolean didWork = deleter.ensureEmptyDirectory(file)

        then:
        file.assertIsDir()
        didWork
    }

    def "creates directory if nothing existed before"() {
        given:
        TestFile dir = tmpDir.getTestDirectory()
        def file = dir.file("someFile")

        when:
        boolean didWork = deleter.ensureEmptyDirectory(file)

        then:

        } else {
            return false;
        }
    }

    @Override
    public boolean ensureEmptyDirectory(File target) throws IOException {
        return ensureEmptyDirectory(target, false);
    }

    @Override
    public boolean ensureEmptyDirectory(File root, boolean followSymlinks) throws IOException {
        if (root.exists()) {
            if (root.isDirectory()

            // Create or clean stash and stage directories
            Set<File> ensureEmptyDirectories = new HashSet<>();
            deleter.ensureEmptyDirectory(stashDirectory);
            ensureEmptyDirectories.add(stashDirectory);
            deleter.ensureEmptyDirectory(backupDirectory);
            ensureEmptyDirectories.add(backupDirectory);

            // Delete any other file or directory

                    }
                    grammarFiles.add(fileChange.getFile());
                }
            }
            if (rebuildRequired) {
                try {
                    getDeleter().ensureEmptyDirectory(outputDirectory);
                } catch (IOException ex) {
                    throw new UncheckedIOException(ex);
                }
                grammarFiles.addAll(stableSources.getFiles());
            }

        this.javadocTool.finalizeValueOnRead();
    }

    @TaskAction
    protected void generate() {
        File destinationDir = getDestinationDir();
        try {
            getDeleter().ensureEmptyDirectory(destinationDir);
        } catch (IOException ex) {
            throw new UncheckedIOException(ex);
        }

    @TaskAction
    protected void generate() {
        checkGroovyClasspathNonEmpty(getGroovyClasspath().getFiles());
        File destinationDir = getDestinationDir();
        try {
            getDeleter().ensureEmptyDirectory(destinationDir);
        } catch (IOException ex) {
            throw new UncheckedIOException(ex);
        }
        getAntGroovydoc().execute(

        Class<? extends Script> scriptBaseClass, Action<? super ClassNode> verifier
    ) {
        Timer clock = Time.startTimer();
        try {
            deleter.ensureEmptyDirectory(classesDir);
        } catch (IOException ioex) {
            throw new UncheckedIOException(ioex);
        }
        CompilerConfiguration configuration = createBaseCompilerConfiguration(scriptBaseClass);