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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals, fail } from "../../../../test_util/std/assert/mod.ts";
import { fdatasync, fdatasyncSync } from "node:fs";
Deno.test({
name:
"ASYNC: flush any pending data operations of the given file stream to disk",
async fn() {
const filePath = await Deno.makeTempFile();
using file = await Deno.open(filePath, {
read: true,
write: true,
create: true,
});
const data = new Uint8Array(64);
await file.write(data);
await new Promise<void>((resolve, reject) => {
fdatasync(file.rid, (err: Error | null) => {
if (err !== null) reject();
else resolve();
});
})
.then(
async () => {
assertEquals(await Deno.readFile(filePath), data);
},
() => {
fail("No error expected");
},
)
.finally(async () => {
await Deno.remove(filePath);
});
},
});
Deno.test({
name:
"SYNC: flush any pending data operations of the given file stream to disk.",
fn() {
const filePath = Deno.makeTempFileSync();
using file = Deno.openSync(filePath, {
read: true,
write: true,
create: true,
});
const data = new Uint8Array(64);
Deno.writeSync(file.rid, data);
try {
fdatasyncSync(file.rid);
assertEquals(Deno.readFileSync(filePath), data);
} finally {
Deno.removeSync(filePath);
}
},
});
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