StopwordsItem item4 = new StopwordsItem(1, "different");

        // Same input should have same hashCode regardless of id
        assertEquals(item1.hashCode(), item2.hashCode());
        assertEquals(item1.hashCode(), item3.hashCode());

        // Different input should have different hashCode
        assertNotSame(item1.hashCode(), item4.hashCode());
    }

        assertEquals(tag1.hashCode(), tag2.hashCode());

        // Different tag
        PrunedTag tagDifferentTag = new PrunedTag("span");
        tagDifferentTag.setId("test");
        tagDifferentTag.setCss("highlight");
        tagDifferentTag.setAttr("data-value", "123");
        assertFalse(tag1.equals(tagDifferentTag));

        // Different id
        PrunedTag tagDifferentId = new PrunedTag("div");

        assertEquals(32, derived3.length, "Derived key should have correct length");

        assertFalse(Arrays.equals(derived1, derived2), "Different labels should produce different keys");
        assertFalse(Arrays.equals(derived1, derived3), "Different contexts should produce different keys");
    }

    @Test
    public void testStoreNullKey() {

    @Test
    @DisplayName("equals: different content -> false")
    void equals_differentContent_false() {
        // Arrange
        SecurityBlob a = new SecurityBlob(new byte[] { 1, 2, 3 });
        SecurityBlob b = new SecurityBlob(new byte[] { 1, 9, 3 });

        // Act & Assert
        assertFalse(a.equals(b), "Different content should not be equal");
    }

        assertNotNull(client1);
        assertNotNull(client2);
        assertNotSame(client1, client2);
    }

    // Test constructor with different thread context
    public void test_constructorInDifferentThread() throws Exception {
        // Test that constructor works in different thread
        final CrawlerEngineClient[] clientHolder = new CrawlerEngineClient[1];
        final Exception[] exceptionHolder = new Exception[1];

    }

    // Test with different mail configurations
    public void test_mailConfiguration() {
        FessConfig config = ComponentUtil.getFessConfig();

        assertEquals("Test Admin", config.getMailFromName());
        assertEquals("******@****.***", config.getMailFromAddress());
        assertEquals("localhost", config.getMailHostname());
    }

    // Test with different from names

        // Verify different cause types are handled
        assertEquals(npeCause, npeException.getCause());
        assertEquals(iseCause, iseException.getCause());
        assertEquals(oomCause, oomException.getCause());
    }

    public void test_messageCodeWithPropertyKey() {
        // Setup - test message code with different property keys
        final String message = "Query field error";

import java.util.ArrayDeque;
import java.util.Iterator;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;

/**
 * Handler for dispatching events to subscribers, providing different event ordering guarantees that
 * make sense for different situations.
 *
 * <p><b>Note:</b> The dispatcher is orthogonal to the subscriber's {@code Executor}. The dispatcher

        // Test that writeSetupWireFormat always returns 0
        byte[] buffer = new byte[100];
        int result = response.writeSetupWireFormat(buffer, 0);
        assertEquals(0, result);

        // Test with different offset
        result = response.writeSetupWireFormat(buffer, 50);
        assertEquals(0, result);
    }

    @Test
    @DisplayName("Test writeParametersWireFormat returns 0")

        }
    }

    @Nested
    @DisplayName("Cross-Implementation Tests")
    class CrossImplementationTests {

        @Test
        @DisplayName("Should have different context types for different implementations")
        void testDifferentContextTypes() {
            PreauthIntegrityNegotiateContext preauth = new PreauthIntegrityNegotiateContext();