public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testErrorMessage_ja() throws Exception {
        // ## Arrange ##
        Locale.setDefault(Locale.JAPANESE);

    /**
     * @throws Exception
     */
    @Before
    public void setUp() throws Exception {
        TimeZone.setDefault(TimeZone.getTimeZone("GMT"));
    }

    /**
     * @throws Exception
     */
    @After
    public void tearDown() throws Exception {
        TimeZone.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToCalendar() throws Exception {

/**
 * @author higa
 */
public class MessageFormatterTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testGetMessage() throws Exception {

        return locale;
    }

    private static Supplier<Locale> defaultLocaleSupplier;

    public static Locale getDefault() {
        if (defaultLocaleSupplier != null) {
            return defaultLocaleSupplier.get();
        }
        return Locale.ENGLISH;
    }

    public static void setDefault(final Supplier<Locale> localeSupplier) {
        defaultLocaleSupplier = localeSupplier;
    }

    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testErrorMessage_ja() throws Exception {
        // ## Arrange ##
        Locale.setDefault(Locale.JAPANESE);

/**
 * @author higa
 */
public class TimeConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_Null() throws Exception {

/**
 * @author higa
 */
public class DateConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    @Test
    public void testToDate_Null() throws Exception {

/**
 * @author higa
 */
public class TimestampConversionUtilTest {

    @Before
    public void setUp() throws Exception {
        LocaleUtil.setDefault(() -> Locale.JAPANESE);
    }

    @After
    public void tearDown() throws Exception {
        LocaleUtil.setDefault(null);
    }

    /**
     * @throws Exception
     */
    //    @Test
    //    public void testToDate_Null() throws Exception {

  @GwtIncompatible // NullPointerTester
  @AndroidIncompatible // see ImmutableTableTest.testNullPointerInstance
  public void testNullPointerExceptions() {
    new NullPointerTester()
        .setDefault(Enum.class, SomeEnum.A)
        .setDefault(Class.class, SomeEnum.class) // for newEnumSet
        .testAllPublicStaticMethods(Sets.class);
  }

  public void testNewSetFromMap() {

  }

  @J2ktIncompatible
  @GwtIncompatible // NullPointerTester
  public void testNullPointers() {
    NullPointerTester tester = new NullPointerTester();
    tester.setDefault(int.class, 1);
    tester.setDefault(long.class, 1L);
    tester.testAllPublicStaticMethods(LongMath.class);
  }

  @GwtIncompatible // isPrime is GWT-incompatible
  public void testIsPrimeSmall() {