assertEquals(multimap().keySet(), multimap().keys().elementSet());
  }

  @MapFeature.Require(SUPPORTS_REMOVE)
  public void testKeysRemove() {
    int original = multimap().keys().remove(k0(), 1);
    assertEquals(max(original - 1, 0), multimap().get(k0()).size());
  }

  @CollectionSize.Require(ONE)
  @CollectionFeature.Require(SUPPORTS_ITERATOR_REMOVE)
  public void testKeysEntrySetIteratorRemove() {

// For now, let's assume we can modify the original class slightly for testability,
// or we accept the less precise testToStringFormat test.

// Let's add a package-private helper to TransTransactNamedPipeResponse:
// String superToString() { return super.toString(); }
// And modify the test to use it.

/*
 * Copyright 2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

        assertEquals(original.getDomain(), parsed.getDomain());
        assertEquals(original.getUser(), parsed.getUser());
        assertEquals(original.getWorkstation(), parsed.getWorkstation());
    }

    @Test
    @DisplayName("Should include NTLMSSP signature")
    void testNTLMSSPSignature() throws Exception {
        // Given
        Type2Message type2 = createMockType2Message();

import jcifs.Encodable;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Validate Negotiate Info request data structure. This structure is used to validate
 * that the negotiated SMB2 dialect matches what was originally negotiated.
 *
 * @author mbechler
 *
 */
public class ValidateNegotiateInfoRequest implements Encodable {

    private final int capabilities;
    private final byte[] clientGuid;

/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

    assertSame(copy, ImmutableBiMap.copyOf(copy));
  }

  public void testCopyOf() {
    Map<String, Integer> original = new LinkedHashMap<>();
    original.put("one", 1);
    original.put("two", 2);
    original.put("three", 3);

    ImmutableBiMap<String, Integer> copy = ImmutableBiMap.copyOf(original);
    assertMapEquals(copy, "one", 1, "two", 2, "three", 3);
    assertSame(copy, ImmutableBiMap.copyOf(copy));
  }

     */
    @Test
    void testConstructorWithMessageAndCause() {
        String message = "Test message with cause.";
        Throwable cause = new RuntimeException("Original cause.");
        DcerpcException exception = new DcerpcException(message, cause);

        assertEquals(0, exception.getErrorCode(), "Error code should be 0 for message and cause constructor.");

        // The check method should return the same string instance
        String result = pacString.check(testString);
        assertSame(testString, result, "The check method should return the original string on success.");
    }

    /**
     * Tests the {@link PacUnicodeString#check(String)} method with a null string when the pointer is zero.

/*
 * Copyright 2021 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,