assertEquals(testMessage, exception.getMessage(), "The exception message should match the input message.");
    }

    /**
     * Test the NO_NULL_REF static field.
     * Ensures that the static field holds the expected string value.
     */
    @Test
    void testNoNullRefConstant() {
        assertNotNull(NdrException.NO_NULL_REF, "NO_NULL_REF constant should not be null.");

        int attrs = SmbConstants.ATTR_NORMAL;

        // Act
        SmbFileHandleImpl result = SmbCopyUtil.openCopyTargetFile(dest, attrs, alsoRead);

        // Assert
        assertSame(handle, result, "Should return handle from dest.openUnshared");

        ArgumentCaptor<Integer> accessCaptor = ArgumentCaptor.forClass(Integer.class);

  public void testContainsAll_empty() {
    assertTrue(
        "containsAll(empty) should return true", collection.containsAll(MinimalCollection.of()));
  }

  @CollectionSize.Require(absent = ZERO)
  public void testContainsAll_subset() {
    assertTrue(
        "containsAll(subset) should return true",
        collection.containsAll(MinimalCollection.of(e0())));
  }

        // Test the constructor with no arguments
        RequestTimeoutException exception = new RequestTimeoutException();
        assertNull(exception.getMessage(), "Message should be null for no-arg constructor");
        assertNull(exception.getCause(), "Cause should be null for no-arg constructor");
    }

    @Test
    void testMessageConstructor() {
        // Test the constructor with a message argument

        verify(file, times(1)).getAttributes();
    }

    @Test
    public void testAcceptReturnsFalseWhenAttributesDoNotMatch() throws Exception {
        SmbFile file = mock(SmbFile.class);
        when(file.getAttributes()).thenReturn(SmbFile.ATTR_HIDDEN);
        assertFalse(filter.accept(file), "Attributes not matching should be rejected");

        // Remove should not throw exception even if channel doesn't exist
        assertDoesNotThrow(() -> channelManager.removeChannel(channel));
    }

    @Test
    void testShutdown() {
        assertDoesNotThrow(() -> channelManager.shutdown());

        // Multiple shutdowns should be safe
        assertDoesNotThrow(() -> channelManager.shutdown());
    }

        // Act + Assert
        assertTrue(it.hasNext());
        assertEquals("a", it.next().getName(), "First element should be initial from open()");
        assertTrue(it.hasNext());
        assertEquals("b", it.next().getName(), "Next element should skip '.' and '..'");
        assertFalse(it.hasNext(), "Iterator exhausted after valid entries");
        verify(tree, times(1)).release(); // closed after exhaustion
    }

    class InterfaceImplementationTests {

        @Test
        @DisplayName("Should implement AllocInfo interface")
        void shouldImplementAllocInfo() {
            assertTrue(AllocInfo.class.isAssignableFrom(FileFsSizeInformation.class));
        }

        @Test
        @DisplayName("Should implement FileSystemInformation interface")
        void shouldImplementFileSystemInformation() {

        // Verify customData part (should be truncated)
        byte[] expectedCustomData = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08 };
        byte[] actualCustomData = new byte[8];
        System.arraycopy(value, 8, actualCustomData, 0, 8);
        assertArrayEquals(expectedCustomData, actualCustomData);

        // Verify machineId part (should be truncated)
        byte[] expectedMachineId = new byte[32];

	if err := DB.Create(&yasuo).Error; err != nil {
		t.Fatalf("should be able to create data, but got %v", err)
	}

	if yasuo.ID == "" {
		t.Fatal("should be able to has ID, but got zero value")
	}

	var result Yasuo
	if err := DB.First(&result, "id = ?", yasuo.ID).Error; err != nil || yasuo.Name != "jinzhu" {
		t.Errorf("No error should happen, but got %v", err)
	}