import { assertEquals, fail } from "../../testing/asserts.ts";import { fdatasync, fdatasyncSync } from "./_fs_fdatasync.ts";
Deno.test({ name: "ASYNC: flush any pending data operations of the given file stream to disk", async fn() { const file: string = await Deno.makeTempFile(); const { rid } = await Deno.open(file, { read: true, write: true, create: true, }); const data = new Uint8Array(64); await Deno.write(rid, data);
await new Promise<void>((resolve, reject) => { fdatasync(rid, (err: Error | null) => { if (err !== null) reject(); else resolve(); }); }) .then( async () => { assertEquals(await Deno.readFile(file), data); }, () => { fail("No error expected"); }, ) .finally(async () => { Deno.close(rid); await Deno.remove(file); }); },});
Deno.test({ name: "SYNC: flush any pending data operations of the given file stream to disk.", fn() { const file: string = Deno.makeTempFileSync(); const { rid } = Deno.openSync(file, { read: true, write: true, create: true, }); const data = new Uint8Array(64); Deno.writeSync(rid, data);
try { fdatasyncSync(rid); assertEquals(Deno.readFileSync(file), data); } finally { Deno.close(rid); Deno.removeSync(file); } },});