assertEquals(0L, concreteResponse.getMid());
        assertEquals(0, concreteResponse.getCommand());
        assertNull(concreteResponse.getDigest());
        assertNull(concreteResponse.getException());
        assertNull(concreteResponse.getExpiration());
        assertFalse(concreteResponse.isError());
        assertFalse(concreteResponse.isReceived());
    }

    @Test

            assertNull(context.getHashAlgos());
            assertNull(context.getSalt());
        }

        @Test
        @DisplayName("Should handle null hash algorithms")
        void testNullHashAlgorithms() {
            context = new PreauthIntegrityNegotiateContext(mockConfig, null, new byte[16]);

            assertNull(context.getHashAlgos());

                (k, v) -> {
                  assertEquals(k3(), k);
                  assertNull(v);
                  return v3();
                }));
    expectAdded(e3());
    assertEquals(getNumElements() + 1, getMap().size());
  }

  @MapFeature.Require({SUPPORTS_PUT, SUPPORTS_REMOVE})
  public void testCompute_absentToAbsent() {
    assertNull(
        "Map.compute(absent, functionReturningNull) should return null",

        corsHandlerFactory.add(origin, handler);

        // Execute
        CorsHandler result = corsHandlerFactory.get("https://nonexistent.com");

        // Verify
        assertNull(result);
    }

    public void test_add_overwriteExistingOrigin() {
        // Setup
        String origin = "https://example.com";
        TestCorsHandler handler1 = new TestCorsHandler("handler1");

        assertEquals(25, badwordpager.getPageSize());
        assertEquals(1, badwordpager.getCurrentPageNumber());
        assertNull(badwordpager.id);
        assertNull(badwordpager.suggestWord);
        assertNull(badwordpager.createdBy);
        assertNull(badwordpager.createdTime);
        assertNull(badwordpager.versionNo);

        assertEquals(1, badwordpager.getDefaultCurrentPageNumber());

        NegTokenInit parsed = new NegTokenInit(bytes);
        assertNull(parsed.getMechanisms(), "Mechanisms should be null when absent");
        assertEquals(0, parsed.getContextFlags(), "Flags should be zero when absent");
        assertNull(parsed.getMechanismToken(), "Mechanism token should be null when absent");
        assertNull(parsed.getMechanismListMIC(), "MIC should be null when absent");
    }

    @Test

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

    public void test_constructorWithNullMessageAndCause() {
        // Test constructor with null message and null cause
        ThumbnailGenerationException exception = new ThumbnailGenerationException(null, null);

        assertNull(exception.getMessage());
        assertNull(exception.getCause());
    }

        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getMessage());
    }

    public void test_getCause() {
        // Test that getCause returns null (no cause set in constructor)
        UserRoleLoginException exception = new UserRoleLoginException(RootAction.class);
        assertNull(exception.getCause());
    }

    public void test_throwAndCatch() {

    expectReplacement(entry(k0(), v3()));
  }

  @MapFeature.Require(SUPPORTS_PUT)
  public void testPut_supportedNotPresent() {
    assertNull("put(notPresent, value) should return null", put(e3()));
    expectAdded(e3());
  }

  @MapFeature.Require({FAILS_FAST_ON_CONCURRENT_MODIFICATION, SUPPORTS_PUT})
  @CollectionSize.Require(absent = ZERO)

        assertNull(provider.providePrimaryOneWayCryptographer());
    }

    public void test_constructor_withBothNull() {
        // Test with both cryptographers null
        FessSecurityResourceProvider provider = new FessSecurityResourceProvider(null, null);
        assertNotNull(provider);
        assertNull(provider.providePrimaryInvertibleCryptographer());