()
| 345 | |
| 346 | #[test] |
| 347 | fn test_null_buffer_builder_truncate() { |
| 348 | let mut builder = NullBufferBuilder::new(10); |
| 349 | builder.append_n_non_nulls(16); |
| 350 | assert_eq!(builder.as_slice(), None); |
| 351 | builder.truncate(20); |
| 352 | assert_eq!(builder.as_slice(), None); |
| 353 | assert_eq!(builder.len(), 16); |
| 354 | assert_eq!(builder.allocated_size(), 0); |
| 355 | builder.truncate(14); |
| 356 | assert_eq!(builder.as_slice(), None); |
| 357 | assert_eq!(builder.len(), 14); |
| 358 | builder.append_null(); |
| 359 | builder.append_non_null(); |
| 360 | assert_eq!(builder.as_slice().unwrap(), &[0xFF, 0b10111111]); |
| 361 | assert_eq!(builder.allocated_size(), 64); |
| 362 | } |
| 363 | |
| 364 | #[test] |
| 365 | fn test_null_buffer_builder_truncate_never_materialized() { |
nothing calls this directly
no test coverage detected