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denoland-deno/std/wasi/testdata/std_fs_file_sync_all.rs
2020-06-29 17:45:39 -04:00

15 lines
460 B
Rust

// { "preopens": { "/scratch": "scratch" } }
fn main() {
let file = std::fs::File::create("/scratch/file").unwrap();
assert!(file.set_len(5).is_ok());
assert!(file.sync_all().is_ok());
let metadata = std::fs::metadata("/scratch/file").unwrap();
assert_eq!(metadata.len(), 5);
assert!(file.set_len(25).is_ok());
assert!(file.sync_all().is_ok());
let metadata = std::fs::metadata("/scratch/file").unwrap();
assert_eq!(metadata.len(), 25);
}