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This allows to support timestamps before 1970-01-01. On Windows, it's not supported due to Y2038 issue. PR-URL: #43714 Fixes: #43707 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,79 @@ | ||
| import * as common from '../common/index.mjs'; | ||
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| // Test timestamps returned by fsPromises.stat and fs.statSync | ||
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| import fs from 'node:fs'; | ||
| import fsPromises from 'node:fs/promises'; | ||
| import path from 'node:path'; | ||
| import assert from 'node:assert'; | ||
| import tmpdir from '../common/tmpdir.js'; | ||
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| // On some platforms (for example, ppc64) boundaries are tighter | ||
| // than usual. If we catch these errors, skip corresponding test. | ||
| const ignoredErrors = new Set(['EINVAL', 'EOVERFLOW']); | ||
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| tmpdir.refresh(); | ||
| const filepath = path.resolve(tmpdir.path, 'timestamp'); | ||
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| await (await fsPromises.open(filepath, 'w')).close(); | ||
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| // Date might round down timestamp | ||
| function closeEnough(actual, expected, margin) { | ||
| // On ppc64, value is rounded to seconds | ||
| if (process.arch === 'ppc64') { | ||
| margin += 1000; | ||
| } | ||
| assert.ok(Math.abs(Number(actual - expected)) < margin, | ||
| `expected ${expected} ± ${margin}, got ${actual}`); | ||
| } | ||
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| async function runTest(atime, mtime, margin = 0) { | ||
| margin += Number.EPSILON; | ||
| try { | ||
| await fsPromises.utimes(filepath, new Date(atime), new Date(mtime)); | ||
| } catch (e) { | ||
| if (ignoredErrors.has(e.code)) return; | ||
| throw e; | ||
| } | ||
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| const stats = await fsPromises.stat(filepath); | ||
| closeEnough(stats.atimeMs, atime, margin); | ||
| closeEnough(stats.mtimeMs, mtime, margin); | ||
| closeEnough(stats.atime.getTime(), new Date(atime).getTime(), margin); | ||
| closeEnough(stats.mtime.getTime(), new Date(mtime).getTime(), margin); | ||
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| const statsBigint = await fsPromises.stat(filepath, { bigint: true }); | ||
| closeEnough(statsBigint.atimeMs, BigInt(atime), margin); | ||
| closeEnough(statsBigint.mtimeMs, BigInt(mtime), margin); | ||
| closeEnough(statsBigint.atime.getTime(), new Date(atime).getTime(), margin); | ||
| closeEnough(statsBigint.mtime.getTime(), new Date(mtime).getTime(), margin); | ||
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| const statsSync = fs.statSync(filepath); | ||
| closeEnough(statsSync.atimeMs, atime, margin); | ||
| closeEnough(statsSync.mtimeMs, mtime, margin); | ||
| closeEnough(statsSync.atime.getTime(), new Date(atime).getTime(), margin); | ||
| closeEnough(statsSync.mtime.getTime(), new Date(mtime).getTime(), margin); | ||
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| const statsSyncBigint = fs.statSync(filepath, { bigint: true }); | ||
| closeEnough(statsSyncBigint.atimeMs, BigInt(atime), margin); | ||
| closeEnough(statsSyncBigint.mtimeMs, BigInt(mtime), margin); | ||
| closeEnough(statsSyncBigint.atime.getTime(), new Date(atime).getTime(), margin); | ||
| closeEnough(statsSyncBigint.mtime.getTime(), new Date(mtime).getTime(), margin); | ||
| } | ||
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| // Too high/low numbers produce too different results on different platforms | ||
| { | ||
| // TODO(LiviaMedeiros): investigate outdated stat time on FreeBSD. | ||
| // On Windows, filetime is stored and handled differently. Supporting dates | ||
| // after Y2038 is preferred over supporting dates before 1970-01-01. | ||
| if (!common.isFreeBSD && !common.isWindows) { | ||
| await runTest(-40691, -355, 1); // Potential precision loss on 32bit | ||
| await runTest(-355, -40691, 1); // Potential precision loss on 32bit | ||
| await runTest(-1, -1); | ||
| } | ||
| await runTest(0, 0); | ||
| await runTest(1, 1); | ||
| await runTest(355, 40691, 1); // Precision loss on 32bit | ||
| await runTest(40691, 355, 1); // Precision loss on 32bit | ||
| await runTest(1713037251360, 1713037251360, 1); // Precision loss | ||
| } |