@DisplayName("Unknown codes: lookup returns empty Optional")
    void lookup_returns_empty_for_unknown_codes(int unknownCode) {
        // Invalid inputs: codes not present should yield no message
        // Guard to ensure test remains valid if constants change in future
        for (int c : WinError.WINERR_CODES) {
            assertNotEquals(unknownCode, c, "Chosen unknown code unexpectedly clashes with a known code");
        }

// BucketRemoteArnTypeInvalid arn type for remote is not valid.
type BucketRemoteArnTypeInvalid GenericError

func (e BucketRemoteArnTypeInvalid) Error() string {
	return "Remote ARN type not valid: " + e.Bucket
}

// BucketRemoteArnInvalid arn needs to be specified.
type BucketRemoteArnInvalid GenericError

func (e BucketRemoteArnInvalid) Error() string {
	return "Remote ARN has invalid format: " + e.Bucket
}

        assertEquals(2, result);
    }

    @Test
    @DisplayName("Test readBytesWireFormat with invalid structure size throws exception")
    void testReadBytesWireFormatInvalidStructureSize() {
        byte[] buffer = new byte[1024];
        int bufferIndex = 0;

        // Set structure size to 4 (invalid, should be 2)
        SMBUtil.writeInt2(4, buffer, bufferIndex);

        SMBProtocolDecodingException exception =

			t.Fatalf("invalid %v count %v, expects: %v got %v", name, reason, result, count)
		}
	}
}

func TestInvalidAssociation(t *testing.T) {
	user := *GetUser("invalid", Config{Company: true, Manager: true})
	if err := DB.Model(&user).Association("Invalid").Find(&user.Company).Error; err == nil {
		t.Fatalf("should return errors for invalid association, but got nil")
	}
}

 *   override fun intercept(chain: Interceptor.Chain): Response {
 *     if (myConfig.isInvalid()) {
 *       return Response.Builder()
 *           .request(chain.request())
 *           .protocol(Protocol.HTTP_1_1)
 *           .code(400)
 *           .message("client config invalid")
 *           .body("client config invalid".toResponseBody(null))
 *           .build()
 *     }
 *

    }

    /**
     * Test isValid() when the handle is valid.
     */
    @Test
    void testIsValid_whenValid() {
        when(smbFileHandle.isValid()).thenReturn(true);
        assertTrue(smbFileHandle.isValid(), "isValid should return true when the handle is valid.");
        verify(smbFileHandle, times(1)).isValid();
    }

    /**
     * Test isValid() when the handle is invalid.
     */
    @Test

	if result.FieldAllowUpdate != "" || result.FieldReadonly != "" || result.FieldIgnore != "" || result.FieldAllowSave3 != "" {
		t.Fatalf("invalid result: %#v", result)
	}

	if int(result.AutoUnixCreateTime) != int(result.AutoUnixUpdateTime) || result.AutoUnixCreateTime == 0 {
		t.Fatalf("invalid create/update unix time: %#v", result)
	}

                    // Success on first call
                    return;
                case 2:
                    throw new IllegalArgumentException("Invalid argument");
                case 3:
                    throw new IllegalStateException("Invalid state");
                case 4:
                    throw new NullPointerException("Null pointer");
                default:

    @Test
    @DisplayName("Should handle invalid NetBIOS name quickly")
    @Timeout(value = 1, unit = TimeUnit.SECONDS) // Very short timeout
    void testGetNbtByNameInvalid() {
        // When/Then - Should fail quickly with invalid characters
        assertThrows(Exception.class, () -> {
            nameServiceClient.getNbtByName("INVALID@#$%NAME");
        }, "Should throw exception for invalid NetBIOS name");
    }

    @Test

     * @return the collection result, never {@code null}
     * @throws DependencyResolverException if the dependency tree could not be built
     * @throws IllegalArgumentException if an argument is null or invalid
     * @see #collect(DependencyResolverRequest)
     */
    @Nonnull
    default DependencyResolverResult collect(
            @Nonnull Session session, @Nonnull DependencyCoordinates root, @Nonnull PathScope scope) {