* See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.util.concurrent.Futures.immediateFailedFuture;
import static com.google.common.util.concurrent.Futures.immediateFuture;

        int length = testBlock.readAndXWireFormat(buffer, 0);

        assertTrue(length > 0);
        verify(mockAndxCommand).setCommand((byte) 0x42);
        verify(mockAndxCommand).setUseUnicode(anyBoolean());
        // For non-AndX commands, the implementation calls received() instead of read methods
        verify(mockAndxCommand).received();
    }

    @Test
    @DisplayName("Test readAndXWireFormat with error code")

        when(mockPrincipal.getName()).thenReturn(expectedUserName);

        // Act: Call the method under test
        String actualUserName = ntlmRequest.getRemoteUser();

        // Assert: Verify that the returned user name is the expected one
        assertEquals(expectedUserName, actualUserName, "getRemoteUser should return the principal's name.");
    }

    /**

        assertNull(emptyIterator.next(), "This implementation returns null instead of throwing");

        // Verify remove can be called (even though no-op)
        assertDoesNotThrow(() -> emptyIterator.remove(), "remove() should be safe to call");

        // Verify still empty after operations
        assertFalse(emptyIterator.hasNext(), "Should remain empty after operations");
    }

            // Do NOT call setRootLoggerLevel - this is the fix!
        }

        // Verify that setRootLoggerLevel was not called
        assertEquals(0, slf4jConfiguration.setRootLoggerLevelCallCount);

        // Verify that system property was not set
        assertNull(System.getProperty(Constants.MAVEN_LOGGER_DEFAULT_LOG_LEVEL));
    }

    @Test

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;

import java.lang.reflect.Method;
import java.util.stream.Stream;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

        assertFalse(filter.accept(mockDir, "image.png"), "Should reject non-.txt files");
        assertFalse(filter.accept(mockDir, null), "Should reject null names");

        // Verify getPath was called three times (once for each accept call)
        verify(mockDir, times(3)).getPath();
        verifyNoMoreInteractions(mockDir);
    }

    /**
     * Defensive behavior: implementation throws NPE on null inputs by design.
     */

        // Verify lengths
        assertEquals(2, setupWritten);
        assertEquals(2, paramWritten);
        assertEquals(0, dataWritten);

        // Verify setup content
        assertEquals(SmbComTransaction.TRANS2_QUERY_FS_INFORMATION, setupBuffer[0]);
        assertEquals(0x00, setupBuffer[1]);

        // Verify parameter content (FS_SIZE_INFO -> 0x0103)

import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

import java.util.Arrays;
import java.util.Optional;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;

/**
 * Tests for {@link DosError}.  Since {@link DosError} only contains

     * @param length
     *            The length of the data to verify
     * @param extraPad
     *            extra padding to include in signature
     * @param msg
     *            The message to verify
     * @return whether verification was unsuccessful
     */
    boolean verify(byte[] data, int offset, int length, int extraPad, CommonServerMessageBlock msg);