// 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 {

    public void testSUnsupportedOperationExceptionString() {
        final ClUnsupportedOperationException clUnsupportedOperationException = new ClUnsupportedOperationException("hoge");
        assertThat(clUnsupportedOperationException.getMessage(), is("hoge"));
    }

    /**
     * Test method for
     * {@link org.codelibs.core.exception.ClUnsupportedOperationException#SUnsupportedOperationException(java.lang.String, java.lang.Throwable)}
     * .
     */

        } catch (NoSuchFieldException | IllegalAccessException e) {
            log.error("Failed to reset SingletonContext instance", e);
            fail("Failed to reset SingletonContext instance: " + e.getMessage());
        }
        // Clear system properties that might affect the test
        System.clearProperty("jcifs.properties");
        System.clearProperty("java.protocol.handler.pkgs");

        }, "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

        QueryParseException queryParseException = new QueryParseException(parseException);

        assertEquals("org.apache.lucene.queryparser.classic.ParseException: " + errorMessage, queryParseException.getMessage());
    }

    public void test_getCause() {
        // Test that the cause is properly set and retrievable
        ParseException parseException = new ParseException("Query parsing failed");

        assertTrue(exception instanceof Throwable);
    }

    public void test_getMessage() {
        // Test that getMessage returns null (no message set in constructor)
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getMessage());
    }

    public void test_getCause() {
        // Test that getCause returns null (no cause set in constructor)

    @Override
    public Exception getException() {
        return exception;
    }

    @Override
    public String getMessage() {
        String msg;

        if (message != null && !message.isEmpty()) {
            msg = message;
        } else {
            msg = exception.getMessage();

            if (msg == null) {
                msg = "";
            }
        }

        return msg;

                "Should throw exception when length < 24");

        assertEquals("Invalid resume key", exception.getMessage(), "Exception message should match");
    }

    @Test
    @DisplayName("Test decode throws exception with zero length")
    void testDecodeThrowsExceptionWithZeroLength() {
        byte[] buffer = new byte[28];

        byte[] empty = new byte[0];

        // Act + Assert
        PACDecodingException ex = assertThrows(PACDecodingException.class, () -> new KerberosApRequest(empty, new KerberosKey[0]));
        assertTrue(ex.getMessage().contains("Empty kerberos ApReq"));
    }

    @Test
    @DisplayName("byte[] ctor: malformed DER is wrapped as PACDecodingException (IOException path)")
    void byteArrayConstructor_malformedDER_throwsWrapped() {

    }

    private static String getMessage(Throwable error, String def) {
        if (error == null) {
            return def;
        }
        String msg = error.getMessage();
        if (msg != null && !msg.isEmpty()) {
            return msg;
        }
        return getMessage(error.getCause(), def);
    }