assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_emptyPatternList() {
        // Test with empty pattern list
        Set<String> result = labelTypeHelper.getMatchedLabelValueSet("/nonexistent/path");
        assertNotNull(result);
    }

    public void test_getMatchedLabelValueSet_nullPath() {
        try {
            labelTypeHelper.getMatchedLabelValueSet(null);

	k, v, ok := lc.RemoveOldest()
	if k != "" {
		t.Fatalf("should be empty")
	}
	if v != "" {
		t.Fatalf("should be empty")
	}
	if ok {
		t.Fatalf("should be false")
	}

	ok = lc.Remove("non_existent")
	if ok {
		t.Fatalf("should be false")
	}

	lc.Add("key1", "val1")
	if lc.Len() != 1 {
		t.Fatalf("length differs from expected")
	}

	v, ok = lc.Get("key1")
	if !ok {

            Files.deleteIfExists(tempFile);
        }
    }

    public void test_writeThreadDump_withInvalidPath() {
        // Test with invalid file path (directory that doesn't exist)
        String invalidPath = "/nonexistent/directory/thread-dump.txt";

        try {
            ThreadDumpUtil.writeThreadDump(invalidPath);
            // Should not throw exception but log warning
        } catch (Exception e) {

        execJob.testDeleteTempDir(testDir);
        assertFalse(testDir.exists());

        // Test with non-existent directory
        File nonExistentDir = new File(tempDir, "non_existent");
        execJob.testDeleteTempDir(nonExistentDir);
    }

    // Test appendJarFile method
    public void test_appendJarFile() throws IOException {
        StringBuilder buf = new StringBuilder();

// TestXLStorages xlStorage.getDiskInfo()
func TestXLStorageGetDiskInfo(t *testing.T) {
	path := t.TempDir()

	testCases := []struct {
		diskPath    string
		expectedErr error
	}{
		{path, nil},
		{"/nonexistent-dir", errDiskNotFound},
	}

	// Check test cases.
	for _, testCase := range testCases {
		if _, _, err := getDiskInfo(testCase.diskPath); err != testCase.expectedErr {

    }
  }

  /**
   * Creates any necessary but nonexistent parent directories of the specified file. Note that if
   * this operation fails it may have succeeded in creating some (but not all) of the necessary
   * parent directories.
   *
   * @throws IOException if an I/O error occurs, or if any necessary but nonexistent parent
   *     directories of the specified file could not be created.
   * @since 4.0

    @Test
    public void testDeleteByQueryWithNoMatches() {
        // Test delete with query that matches nothing
        boolean result = SuggestUtil.deleteByQuery(client, settings, TEST_INDEX, QueryBuilders.termQuery("nonexistent", "value"));
        assertTrue(result); // Should still return true even with no matches
    }

    @Test(expected = SuggesterException.class)
    public void testDeleteByQueryWithInvalidIndex() {

    CIFSContext context = getTestContext();
    context.getConfig().setProperty("jcifs.smb.client.useRDMA", "true");
    context.getConfig().setProperty("jcifs.smb.client.rdmaProvider", "nonexistent");
    
    SmbFile file = new SmbFile("smb://server/share/test.txt", context);
    
    // Should work even if RDMA provider is not available
    file.createNewFile();
    assertTrue(file.exists());
}

    }
  }

  /**
   * Creates any necessary but nonexistent parent directories of the specified file. Note that if
   * this operation fails it may have succeeded in creating some (but not all) of the necessary
   * parent directories.
   *
   * @throws IOException if an I/O error occurs, or if any necessary but nonexistent parent
   *     directories of the specified file could not be created.
   * @since 4.0

    }

    public void test_getParamValueArray_withNullParam() {
        MockHttpServletRequest request = new MockHttpServletRequest();
        String[] result = SearchRequestParams.getParamValueArray(request, "nonexistent");
        assertEquals(0, result.length);
    }

    public void test_getParamValueArray_withBlankValues() {
        MockHttpServletRequest request = new MockHttpServletRequest();