fail("Should throw IllegalArgumentException");
        } catch (IllegalArgumentException e) {
            assertTrue(e.getMessage().contains("Both name and dataStore parameters are required"));
            assertTrue(e.getMessage().contains("name: null"));
        }
    }

    // Test add method with null dataStore
    @Test
    public void test_add_nullDataStore() {
        try {

        }, "A PACDecodingException should be thrown for a non-empty string with a zero pointer.");

        // Verify the exception message
        assertEquals("Non-empty string", exception.getMessage(), "The exception message is not correct.");
    }

    /**
     * Tests the {@link PacUnicodeString#check(String)} method with a string of incorrect length.
     */
    @Test

        when(smbFile.isDirectory()).thenThrow(boom);

        // Act + Assert
        SmbException thrown = assertThrows(SmbException.class, () -> filter.accept(smbFile));
        assertEquals("io error", thrown.getMessage());
        verify(smbFile, times(1)).isDirectory();
        verifyNoMoreInteractions(smbFile);
    }

    @Test
    @DisplayName("accept: rejects null input with meaningful NullPointerException")

        SmbException ex =
                assertThrows(SmbException.class, () -> new DirFileEntryEnumIterator1(tree, parent, "*", (ResourceNameFilter) null, 0));
        assertTrue(ex.getMessage().contains("UNC must end with '\\'"), "Actual message: " + ex.getMessage());
        verify(tree, times(1)).acquire();
        verify(tree, times(1)).release();
    }

    @Test

        doThrow(new SmbException("capability check failed")).when(transport).hasCapability(eq(42));
        SmbException ex = assertThrows(SmbException.class, () -> transport.hasCapability(42));
        assertTrue(ex.getMessage().contains("failed"));
        verify(transport).hasCapability(42);
    }

    // Edge: disconnected status toggles
    @ParameterizedTest
    @DisplayName("isDisconnected reflects current mocked state")

        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_basic"), Constants.BASIC));
        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_digest"), Constants.DIGEST));
        itemList.add(createItem(ComponentUtil.getMessageManager().getMessage(locale, "labels.webauth_scheme_ntlm"), Constants.NTLM));

        } catch (org.codelibs.core.exception.ResourceNotFoundRuntimeException e) {
            // Expected behavior
            assertTrue(e.getMessage().contains("dir") && e.getMessage().contains("file.conf"));
        }
    }

    @Test
    public void test_getClassesPath() {
        Path classesPath = ResourceUtil.getClassesPath("test.class");

            // Only count specific exceptions as failures using custom predicate
            java.util.function.Predicate<Exception> isFailure = e -> e.getMessage() != null && e.getMessage().contains("critical");

            // Non-critical failures - should NOT open circuit
            for (int i = 0; i < 5; i++) {
                try {

        CIFSException ex1 = assertThrows(CIFSException.class, handle::getInput, "getInput after close must throw");
        assertTrue(ex1.getMessage().contains("Already closed"));
        CIFSException ex2 = assertThrows(CIFSException.class, handle::getOutput, "getOutput after close must throw");
        assertTrue(ex2.getMessage().contains("Already closed"));
    }

    @Test
    @DisplayName("ensureOpen opens SMB2 via UNC path and marks open")

            assertTrue(e.getMessage().contains("xml"));
        }
    }

    @Test
    public void test_createFormatter_null() {
        try {
            indexExportJob.createFormatter(null);
            fail("Expected IllegalArgumentException");
        } catch (final IllegalArgumentException e) {
            assertTrue(e.getMessage().contains("null or empty"));
        }
    }