return null;
        }

        @Override
        public String getName() {
            return name;
        }
    }

    /**
     * Transformer that throws exceptions for testing error handling
     */
    public static class ExceptionThrowingTransformer implements Transformer {
        private final String name;
        private boolean throwInTransform = false;

 * Test class for RuleManager interface.
 * Tests the contract and behavior of RuleManager implementations.
 */
public class RuleManagerTest extends PlainTestCase {

    /**
     * Test implementation of RuleManager for testing purposes
     */
    public static class TestRuleManager implements RuleManager {
        private final List<Rule> rules = new ArrayList<>();
        private int getRuleCallCount = 0;

        @Override

        assertNotNull(readings);
        assertEquals(1, readings.size());
        assertEquals("TEST", readings.get(0));
    }

    /**
     * Test implementation of ReadingConverter for testing purposes
     */
    private static class TestReadingConverter implements ReadingConverter {

        private boolean initialized = false;
        private int initCount = 0;

        for (int i = 0; i < tokens1.size(); i++) {
            assertEquals(tokens1.get(i).getTerm(), tokens2.get(i).getTerm());
        }
    }

    /**
     * Test implementation of SuggestAnalyzer for testing purposes
     */
    private static class TestSuggestAnalyzer implements SuggestAnalyzer {

        private boolean japaneseMode = false;

        public void setJapaneseMode(boolean japaneseMode) {

        // Test with matching bad word
        String[] badWords2 = { "test", "bad" };
        assertTrue(item.isBadWord(badWords2));

        // Test with partial match
        item.setText("testing something");
        String[] badWords3 = { "test" };
        assertTrue(item.isBadWord(badWords3));
    }

    @Test
    public void testToEmptyMap() {
        // Test toEmptyMap method

/**
 * Test class for Rule interface.
 * Tests the contract and behavior of Rule implementations.
 */
public class RuleTest extends PlainTestCase {

    /**
     * Test implementation of Rule interface for testing purposes
     */
    public static class TestRule implements Rule {
        private static final long serialVersionUID = 1L;

        private final String ruleId;
        private final ResponseProcessor responseProcessor;