()
| 349 | |
| 350 | #[test] |
| 351 | fn min_max_tracking() { |
| 352 | let mut stats = ColumnStats::new(); |
| 353 | for v in &["charlie", "alice", "bob"] { |
| 354 | stats.observe(Some(&serde_json::Value::String(v.to_string()))); |
| 355 | } |
| 356 | assert_eq!(stats.min_value.as_deref(), Some("alice")); |
| 357 | assert_eq!(stats.max_value.as_deref(), Some("charlie")); |
| 358 | assert_eq!(stats.non_null_count, 3); |
| 359 | assert_eq!(stats.null_count, 0); |
| 360 | } |
| 361 | |
| 362 | #[test] |
| 363 | fn null_tracking() { |