}

    private void resetLogStreamInstance() throws Exception {
        // Use reflection to reset the static instance field to null
        Field instanceField = LogStream.class.getDeclaredField("inst");
        instanceField.setAccessible(true);
        instanceField.set(null, null);
    }

    @Test
    void testConstructor() {
        // Test constructor creates a LogStream that extends PrintStream

    class MockitoEdgeCases {
        @Test
        @DisplayName("getName can return null and empty strings via mock")
        void mock_nameEdgeValues() {
            // Arrange
            when(mockEntry.getName()).thenReturn(null, "", " ");

            // Act & Assert
            assertNull(mockEntry.getName(), "first call returns null");
            assertEquals("", mockEntry.getName(), "second call returns empty");

    }

    private Field findField(Class<?> clazz, String fieldName) {
        while (clazz != null) {
            try {
                return clazz.getDeclaredField(fieldName);
            } catch (NoSuchFieldException e) {
                clazz = clazz.getSuperclass();
            }
        }
        return null;
    }

    private Method findMethod(Class<?> clazz, String methodName, Class<?>... paramTypes) {

        if (outputs == null) {
            return StringUtil.EMPTY;
        }
        return String.join("\n", outputs);
    }

    /**
     * Checks if the item has been updated.
     *
     * @return true if the item has been updated, false otherwise.
     */
    public boolean isUpdated() {
        return newInputs != null && newOutputs != null;
    }

    /**

        existNextPage = false;
        pageSize = getDefaultPageSize();
        currentPageNumber = getDefaultCurrentPageNumber();

        id = null;
        name = null;
        createdBy = null;
        createdTime = null;
        versionNo = null;

    }

    /**
     * Get the all record count.
     * @return The all record count.
     */
    public int getAllRecordCount() {

    assertThrows(NullPointerException.class, () -> getMap().replace(k0(), v0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUE_QUERIES)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_wrongValueNullValueUnsupported() {
    try {
      assertFalse(getMap().replace(k0(), v3(), null));
    } catch (NullPointerException tolerated) {

    assertThrows(NullPointerException.class, () -> getMap().replace(k0(), v0(), null));
    expectUnchanged();
  }

  @MapFeature.Require(value = SUPPORTS_PUT, absent = ALLOWS_NULL_VALUE_QUERIES)
  @CollectionSize.Require(absent = ZERO)
  public void testReplaceEntry_wrongValueNullValueUnsupported() {
    try {
      assertFalse(getMap().replace(k0(), v3(), null));
    } catch (NullPointerException tolerated) {

     * Do not instantiate.
     */
    protected ModifierUtil() {
    }

    /**
     * Checks if the specified method is public.
     *
     * @param method
     *            the method to check. Must not be null.
     * @return true if public, false otherwise
     */
    public static boolean isPublic(final Method method) {
        assertArgumentNotNull("method", method);

        return isPublic(method.getModifiers());
    }

        String msg = req.getHeader("Authorization");
        if (msg != null && msg.startsWith("NTLM ")) {
            final byte[] src = Base64.decode(msg.substring(5));
            if (src[8] == 1) {
                final Type1Message type1 = new Type1Message(src);
                final Type2Message type2 = new Type2Message(type1, challenge, null);
                msg = Base64.encode(type2.toByteArray());

        // writeString adds null terminator
        assertTrue(len > 2, "Length should include path");
        String writtenPath = extractStringFromBuffer(buffer, 2, len - 2);
        assertTrue(writtenPath.contains("abc"), "Path should be written to buffer");
    }

    @Test
    @DisplayName("writeParametersWireFormat throws on null path")
    void testNullPath() {