File temp = createTempFile();
    Files.copy(asciiFile, temp);
    assertTrue(Files.equal(asciiFile, temp));

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    File temp = createTempFile();
    Files.copy(asciiFile, temp);
    assertTrue(Files.equal(asciiFile, temp));

    Files.copy(i18nFile, temp);
    assertTrue(Files.equal(i18nFile, temp));

    Files.copy(asciiFile, temp);
    RandomAccessFile rf = new RandomAccessFile(temp, "rw");
    rf.writeByte(0);
    rf.close();
    assertEquals(asciiFile.length(), temp.length());
    assertFalse(Files.equal(asciiFile, temp));

    List<String> temp = new ArrayList<>();
    for (Feature<?> feature : features) {
      Object featureAsObject = feature; // to work around bogus JDK warning
      if (featureAsObject instanceof Enum) {
        Enum<?> f = (Enum<?>) featureAsObject;
        temp.add(f.getDeclaringClass().getSimpleName() + "." + feature);
      } else {
        temp.add(feature.toString());
      }
    }

    private static final String FESS_PORT = "fess.port";

    /** System property key for Fess temporary directory path */
    private static final String FESS_TEMP_PATH = "fess.temp.path";

    /** System property key for Fess variable directory path */
    private static final String FESS_VAR_PATH = "fess.var.path";

    /** System property key for Fess web application path */

*) die "distributionUrl is not valid, must match *-bin.zip or maven-mvnd-*.zip, but found '${distributionUrl-}'" ;;
esac

# prepare tmp dir
if TMP_DOWNLOAD_DIR="$(mktemp -d)" && [ -d "$TMP_DOWNLOAD_DIR" ]; then
  clean() { rm -rf -- "$TMP_DOWNLOAD_DIR"; }
  trap clean HUP INT TERM EXIT
else
  die "cannot create temp dir"
fi

mkdir -p -- "${MAVEN_HOME%/*}"

# Download and Install Apache Maven

        // Create a test implementation of ThumbnailGenerator
        thumbnailGenerator = new TestThumbnailGenerator();
    }

    @Override
    public void tearDown() throws Exception {
        // Clean up temp files
        if (tempOutputFile != null && tempOutputFile.exists()) {
            tempOutputFile.delete();
        }
        if (tempDir != null) {

      return File.createTempFile(
          /* prefix= */ prefix,
          /* suffix= */ null,
          /* directory= */ null /* defaults to java.io.tmpdir */);
    }

    /** Maximum loop count when creating temp directories. */
    private static final int TEMP_DIR_ATTEMPTS = 10000;
  }

  private static final class ThrowingCreator extends TempFileCreator {
    private static final String MESSAGE =

    private MockPopularWordHelper mockPopularWordHelper;
    private File tempDir;

    @Override
    public void setUp() throws Exception {
        super.setUp();

        // Create temp directory for testing first
        tempDir = File.createTempFile("suggestjob_test", "");
        tempDir.delete();
        tempDir.mkdirs();
        tempDir.deleteOnExit();

        // Create mock objects

                final File propFile = ComponentUtil.getSystemHelper().createTempFile("suggest_", ".properties");
                if (propFile.delete() && logger.isDebugEnabled()) {
                    logger.debug("Deleted a temp file: {}", propFile.getAbsolutePath());
                }
                systemProperties.reload(propFile.getAbsolutePath());
                propFile.deleteOnExit();
            } catch (final Exception e) {

    protected void deleteTempDir(final File ownTmpDir) {
        if (ownTmpDir == null) {
            return;
        }
        if (!FileUtils.deleteQuietly(ownTmpDir)) {
            logger.warn("Could not delete a temp dir: {}", ownTmpDir.getAbsolutePath());
        }
    }

    /**
     * Appends JAR files from the specified directory to the classpath buffer.
     *
     * @param cpSeparator the classpath separator to use