@Test
    public void testMultipleDirectories() {
        String dir1 = "/test/dir1";
        String dir2 = "/test/dir2";
        String dir3 = "/test/dir3";

        Smb2LeaseKey key1 = new Smb2LeaseKey();
        Smb2LeaseKey key2 = new Smb2LeaseKey();
        Smb2LeaseKey key3 = new Smb2LeaseKey();

        when(baseLeaseManager.requestLease(dir1, DirectoryLeaseState.DIRECTORY_READ_HANDLE)).thenReturn(key1);

        assertFalse(directoryLeaseManager.canCacheDirectoryListing(directoryPath));
    }

    @Test
    public void testMultipleDirectoryCaching() throws Exception {
        String dir1 = "/test/dir1";
        String dir2 = "/test/dir2";

        // Setup mock files for this test
        when(mockFile1.getName()).thenReturn("document.txt");
        when(mockFile1.length()).thenReturn(2048L);

                baseDir = tempDir;
                // Count expired files
                int count = 0;
                File[] dirs = baseDir.listFiles();
                if (dirs != null) {
                    for (File dir : dirs) {
                        if (dir.isDirectory() && dir.getName().startsWith("_")) {
                            count++;
                        }
                    }
                }

		<mkdir dir="${target.dir}" />
		<delete dir="${plugins.dir}" />
		<mkdir dir="${plugins.dir}" />
		<!-- analysis-extension -->
		<antcall target="install.plugin">
			<param name="repo.url" value="${maven.release.repo.url}" />
			<param name="plugin.groupId" value="org/codelibs/opensearch" />
			<param name="plugin.name.prefix" value="opensearch-" />
			<param name="plugin.name" value="analysis-extension" />

		</condition>
	</target>

	<target name="download.dbflute" depends="mydbflute.check" unless="mydbflute.exists">
		<mkdir dir="${mydbflute.dir}" />
		<get dest="${target.dir}/mydbflute.zip">
			<url url="${mydbflute.url}" />
		</get>
		<unzip dest="${mydbflute.dir}" src="${target.dir}/mydbflute.zip">
			<patternset>
				<include name="lastaflute-example-waterfront-${branch.name}/mydbflute/dbflute-1.x/**" />

	<target name="install.modules">
		<mkdir dir="${target.dir}" />
		<delete dir="${modules.dir}" />
		<mkdir dir="${modules.dir}" />

		<!-- analysis-common -->
		<antcall target="install.module">
			<param name="repo.url" value="${maven.release.repo.url}" />
			<param name="module.groupId" value="org/codelibs/opensearch/module" />
			<param name="module.name.prefix" value="" />
			<param name="module.name" value="analysis-common" />

        // Add multiple children
        entry.updateChild("file1.txt", 1024L, 1000L, false, 0x20, 500L, 800L);
        entry.updateChild("file2.txt", 2048L, 2000L, false, 0x20, 600L, 900L);
        entry.updateChild("dir1", 0L, 3000L, true, 0x10, 700L, 1000L);

        List<DirectoryCacheEntry.FileInfo> children = entry.getChildren();
        assertEquals(3, children.size());

        // Verify all children are present

        when(file1.lastModified()).thenReturn(System.currentTimeMillis());

        SmbFile dir1 = mock(SmbFile.class);
        when(dir1.getName()).thenReturn("folder/");
        when(dir1.isDirectory()).thenReturn(true);

        when(smbFile.listFiles()).thenReturn(new SmbFile[] { file1, dir1 });
        when(smbFile.getLocator()).thenReturn(locator);

        when(mockDir.getPath()).thenReturn("/share/folder/");

        // Implementation uses dir.getPath() to check if file should be in that path
        SmbFilenameFilter filter = (dir, name) -> {
            if (dir == null)
                return false;
            String path = dir.getPath();
            // Accept files in /share/folder/ that are text files

    int dim1 = 1 << 16;
    int dim2 = 1 << 15;
    assertThat(dim1 * dim2).isLessThan(0);
    testConcatOverflow(dim1, dim2);
  }

  @GwtIncompatible // different overflow behavior; could probably be made to work by using ~~
  public void testConcat_overflow_nonNegative() {
    int dim1 = 1 << 16;
    int dim2 = 1 << 16;
    assertThat(dim1 * dim2).isAtLeast(0);
    testConcatOverflow(dim1, dim2);
  }