assertNull(artifact.getVersion());
        assertNull(artifact.getBaseVersion());
    }

    @Test
    void testMNG7780() throws Exception {
        VersionRange vr = VersionRange.createFromVersionSpec("[1.0,2.0)");
        artifact = new DefaultArtifact(groupId, artifactId, vr, scope, type, null, artifactHandler);
        assertNull(artifact.getVersion());

        assertNull(userInfoHelper.getUserCodeFromRequest(request));

        request.setParameter("userCode", "");
        assertNull(userInfoHelper.getUserCodeFromRequest(request));

        final StringBuilder buf = new StringBuilder();
        buf.append("12345abcde");
        request.setParameter("userCode", buf.toString());
        assertNull(userInfoHelper.getUserCodeFromRequest(request));

            assertNull(testRequest.getNext());
            assertEquals(0, nextRequest.getFlags() & SMB2_FLAGS_RELATED_OPERATIONS);
        }

        @Test
        @DisplayName("split should return null when no next request")
        void testSplitNoNext() {
            CommonServerMessageBlockRequest result = testRequest.split();
            assertNull(result);
        }
    }

        // test that it consistently returns null for any input
        assertNull(invokeMethod(provider, "findOnMainSchema", "TestClassification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", ""));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Some.Classification"));
        assertNull(invokeMethod(provider, "findOnMainSchema", "Project.TestClassification"));
    }

    @Test

        final Map<String, Object> params = new HashMap<>();
        params.put("test", "value");
        assertNull(groovyEngine.evaluate("   ", params));
        assertNull(groovyEngine.evaluate("\t", params));
        assertNull(groovyEngine.evaluate("\n", params));
        assertNull(groovyEngine.evaluate("  \t\n  ", params));
    }

    /**
     * Test that evaluate handles null paramMap safely
     */

        assertFalse(iterator.hasNext());
        assertNull(iterator.next());

        verify(resource, never()).close();
    }

    @Test
    @DisplayName("Empty iterator")
    void emptyIterator() {
        when(delegate.hasNext()).thenReturn(false);

        TestIterator iterator = new TestIterator(null);

        assertFalse(iterator.hasNext());
        assertNull(iterator.next());
    }

    @Test

        assertEquals(SERVER, dcerpcBinding.getServer(), "Server should match the constructor argument.");
        assertNull(dcerpcBinding.getOptions(), "Options should be null initially.");
        assertNull(dcerpcBinding.getEndpoint(), "Endpoint should be null initially.");
        assertNull(dcerpcBinding.getUuid(), "UUID should be null initially.");

        assertNull(result);
    }

    @Test
    public void test_getArtifact_nullInputs() {
        assertNull(pluginHelper.getArtifact(null, "1.0.0"));
        assertNull(pluginHelper.getArtifact("test", null));
        assertNull(pluginHelper.getArtifact("", "1.0.0"));
        assertNull(pluginHelper.getArtifact("test", ""));
    }

    @Test

        assertTrue(exception.getStackTrace().length > 0);
        assertNull(exception.getCause());
    }

    @Test
    public void test_constructor_withNullMessage() {
        // Test with null message
        ResultOffsetExceededException exception = new ResultOffsetExceededException(null);

        assertNull(exception.getMessage());
        assertNotNull(exception.getStackTrace());

        assertEquals("*", queryContext.getQueryString());
        assertNull(queryContext.getDefaultField());
    }

    // Test constructor with empty query string
    @Test
    public void test_constructor_emptyQueryString() {
        queryContext = new QueryContext("", false);
        assertEquals("*", queryContext.getQueryString());
        assertNull(queryContext.getDefaultField());
    }