import { assertEquals, fail } from "../../testing/asserts.ts";import { fsync, fsyncSync } from "./_fs_fsync.ts";
Deno.test({ name: "ASYNC: flush any pending data 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 size = 64; await Deno.ftruncate(rid, size);
await new Promise<void>((resolve, reject) => { fsync(rid, (err: Error | null) => { if (err !== null) reject(); else resolve(); }); }) .then( async () => { assertEquals((await Deno.stat(file)).size, size); }, () => { fail("No error expected"); }, ) .finally(async () => { await Deno.remove(file); Deno.close(rid); }); },});
Deno.test({ name: "SYNC: flush any pending data the given file stream to disk", fn() { const file: string = Deno.makeTempFileSync(); const { rid } = Deno.openSync(file, { read: true, write: true, create: true, }); const size = 64; Deno.ftruncateSync(rid, size);
try { fsyncSync(rid); assertEquals(Deno.statSync(file).size, size); } finally { Deno.removeSync(file); Deno.close(rid); } },});