// Test that invalid valueOf throws exception
        assertThrows(IllegalArgumentException.class, () -> {
            WitnessServiceType.valueOf("INVALID_TYPE");
        });

        assertThrows(IllegalArgumentException.class, () -> {
            WitnessVersion.valueOf("INVALID_VERSION");
        });

        assertThrows(IllegalArgumentException.class, () -> {

  public void testContainsEntryNullDisallowedBecauseKeyQueriesDisallowed() {
    assertThrows(NullPointerException.class, () -> multimap().containsEntry(null, v3()));
  }

  @MapFeature.Require(absent = ALLOWS_NULL_VALUE_QUERIES)
  public void testContainsEntryNullDisallowedBecauseValueQueriesDisallowed() {
    assertThrows(NullPointerException.class, () -> multimap().containsEntry(k3(), null));
  }

package jcifs.dcerpc.ndr;

import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.verify;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * Tests for the NdrObject abstract class.

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertSame;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.security.Principal;

import org.junit.jupiter.api.DisplayName;

    }

    @Test
    @DisplayName("encode should throw NPE on null input")
    void testEncodeNull() {
        assertThrows(NullPointerException.class, () -> Base64.encode(null));
    }

    @Test
    @DisplayName("decode should throw NPE on null input")
    void testDecodeNull() {
        assertThrows(NullPointerException.class, () -> Base64.decode(null));
    }

            // Act + Assert
            SmbException ex = assertThrows(SmbException.class, () -> new SID(bad));
            assertTrue(ex.getMessage().contains("Bad textual SID format"));
        }

        @Test
        @DisplayName("Textual constructor null throws NullPointerException")
        void testTextualConstructorNull() {
            assertThrows(NullPointerException.class, () -> new SID((String) null));
        }

        // Close the authenticator
        auth.close();

        // All these operations should throw IllegalStateException
        assertThrows(IllegalStateException.class, () -> auth.getPassword());
        assertThrows(IllegalStateException.class, () -> auth.getPasswordAsCharArray());
        assertThrows(IllegalStateException.class, () -> {
            // This would normally be called during authentication

import static com.google.common.collect.testing.features.MapFeature.SUPPORTS_PUT;
import static com.google.common.collect.testing.google.ReflectionFreeAssertThrows.assertThrows;
import static java.util.Collections.singletonList;

import com.google.common.annotations.GwtCompatible;
import com.google.common.collect.Iterators;
import com.google.common.collect.Multimap;

        assertThrows(NoSuchMethodException.class, () -> SessionSetupHandler.class.getDeclaredConstructor());
    }

    @Test
    @DisplayName("Invalid: resolving class by null name throws NPE")
    void testClassForNameWithNull() {
        // Intent: demonstrate defensive behavior with null when resolving this type by name
        assertThrows(NullPointerException.class, () -> Class.forName(null));
    }

import static org.junit.jupiter.api.Assertions.assertArrayEquals;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.junit.jupiter.api.BeforeEach;