TTL unset from DefaultListFilesCache when CacheManagerConfig::list_files_cache_ttl is not set explicitly #19396

use std::{sync::Arc, time::Duration};

use datafusion_execution::cache::{
    DefaultListFilesCache,
    cache_manager::{CacheManager, CacheManagerConfig},
};

fn main() {
    let list_file_cache = DefaultListFilesCache::new(1024, Some(Duration::from_secs(1)));

    let config =
        CacheManagerConfig::default().with_list_files_cache(Some(Arc::new(list_file_cache)));

    let cache_manager = CacheManager::try_new(&config).unwrap();

    // check on is_some() would fail
    assert!(
        cache_manager
            .get_list_files_cache()
            .unwrap()
            .cache_ttl()
            .is_some()
    );
}

[package]
name = "list-cache"
version = "0.1.0"
edition = "2024"

[dependencies]
datafusion-execution = "51.0.0"

[patch.crates-io]
datafusion-execution = { path = '../../datafusion/datafusion/execution' }