* .
     */
    @Test
    public void testToBinaryException() {
        exception.expect(ClIllegalArgumentException.class);
        exception.expectMessage(is("[ECL0009]argument[o] is illegal. because class java.lang.Object."));
        BinaryConversionUtil.toBinary(new Object());
    }

     * @return the given string, or an empty string if the argument is <code>null</code>
     */
    public static String defaultString(final String str) {
        return str == null ? EMPTY : str;
    }

    /**
     * Returns the given string, or the specified default string if the argument is <code>null</code>.
     * <p>
     * Usage example:
     * </p>
     *
     * <pre>

        return null;
    }

    @Override
    public void fetchFirst(int fetchSize) {
        _fetchScopeEffective = true;
        if (fetchSize < 0) {
            String msg = "Argument[fetchSize] should be plus: " + fetchSize;
            throw new IllegalArgumentException(msg);
        }
        _fetchStartIndex = 0;
        _fetchSize = fetchSize;
        _fetchPageNumber = 1;

    }

    @Test
    void testSetMid() {
        long mid = 12345L;
        mockResponse.setMid(mid);

        // Verify that the method was called with the correct argument
        verify(mockResponse, times(1)).setMid(mid);
    }

    @Test
    void testGetMid() {
        long mid = 54321L;
        when(mockResponse.getMid()).thenReturn(mid);

    }

    @ParameterizedTest
    @ValueSource(ints = { 0, 1, -1, Integer.MIN_VALUE, Integer.MAX_VALUE })
    @DisplayName("hasCapability(cap): returns configured value and captures argument across edge caps")
    void hasCapability_variousCaps_returnsTrue_andCapturesArgument(int cap) throws Exception {
        // Arrange: stub to return true regardless of input

     * .
     */
    @Test
    public void testCopyDestNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[enumeration] is null."));
        new EnumerationIterator<Object>(null);
    }

     * .
     */
    @Test
    public void testCreateAndCopySrcNull() {
        exception.expect(NullArgumentException.class);
        exception.expectMessage(is("[ECL0008]argument[calendar] is null."));
        CalendarConversionUtil.localize(null);
    }

     */
    @SuppressWarnings("static-access")
    @Test
    public void testFormat() {
        exception.expect(ClIllegalArgumentException.class);
        exception.expectMessage(is("[ECL0009]argument[AUTL0009] is illegal. because messageCode : AUTL0009."));
        Logger.format("AUTL0009", "hoge");
    }

        List<Throwable> errors = new ArrayList<>();
        errors.add(new Exception("Exception error"));
        errors.add(new RuntimeException("Runtime error"));
        errors.add(new IllegalArgumentException("Illegal argument error"));

        SuggestDeleteResponse response = new SuggestDeleteResponse(errors, 150);

        assertTrue(response.hasError());
        assertEquals(3, response.getErrors().size());

    /** Constructor */
    protected final Constructor<?> constructor;

    /** Array of constructor parameter types */
    protected final Class<?>[] parameterTypes;

    /** Information about parameterized argument types */
    protected final ParameterizedClassDesc[] parameterizedClassDescs;

    /**
     * Constructs an instance.
     *
     * @param beanDesc