LogStream.setInstance(stream2);
        LogStream instance2 = LogStream.getInstance();

        // Each setInstance should create a new LogStream
        assertNotNull(instance1);
        assertNotNull(instance2);
        // The second setInstance replaces the first, so they should not be the same
        assertNotSame(instance1, instance2);

package jcifs.dcerpc.msrpc;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.mockito.Mockito.mock;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;

        QueryContext context = new QueryContext("test", false);
        QueryBuilder result = booleanQueryCommand.execute(context, booleanQuery, 1.0f);

        assertNotNull(result);
        assertTrue(result instanceof BoolQueryBuilder);

        BoolQueryBuilder boolResult = (BoolQueryBuilder) result;
        assertTrue(boolResult.hasClauses());
    }

        assertNotNull(digest);
    }

    @Test
    @DisplayName("Test constructor with MAC signing key only (Kerberos mode)")
    void testConstructorKerberosMode() {
        SMB1SigningDigest digest = new SMB1SigningDigest(testMacSigningKey);
        assertNotNull(digest);
    }

    @Test

        assertNotNull(request);
        // The request should be properly created - we can't easily verify headers without mocking framework
    }

    public void test_post() {
        setupMockConfig("localhost:9200", "", "");

        curlHelper.init();
        CurlRequest request = curlHelper.post("/test");

        assertNotNull(request);
        // The request should be properly created

import static org.junit.jupiter.api.Assertions.assertDoesNotThrow;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;

                assertNotNull(result);
            } catch (Exception e) {
                // Expected behavior when components are not fully initialized
                Throwable cause = e.getCause();
                assertNotNull(cause);
            }
        } catch (Exception e) {
            // Test setup exception is acceptable
            assertNotNull(e);
        }
    }

        RdmaProvider provider = RdmaProviderFactory.selectBestProvider();
        assertNotNull(provider, "Should always select an RDMA provider (at minimum TCP fallback)");
        assertNotNull(provider.getProviderName(), "Provider name should not be null");
        assertNotNull(provider.getSupportedCapabilities(), "Supported capabilities should not be null");

        assertNotNull(fessConfig.getIndexFieldBoost());
        assertNotNull(fessConfig.getIndexFieldTitle());
        assertNotNull(fessConfig.getIndexFieldContent());
        assertNotNull(fessConfig.getIndexFieldCache());
        assertNotNull(fessConfig.getIndexFieldDigest());
        assertNotNull(fessConfig.getIndexFieldHost());
        assertNotNull(fessConfig.getIndexFieldSite());

                originalException = e;
                throw e;
            }
        } catch (DictionaryExpiredException e) {
            rethrownException = e;
        }

        assertNotNull(originalException);
        assertNotNull(rethrownException);
        assertSame(originalException, rethrownException);
    }

    public void test_equals() {
        // Test that different instances are not equal