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'use strict';
const common = require('../common');
// The following tests validate base functionality for the fs.promises
// FileHandle.chmod method.
const fs = require('fs');
const { open } = fs.promises;
const path = require('path');
const tmpdir = require('../common/tmpdir');
const assert = require('assert');
const tmpDir = tmpdir.path;
tmpdir.refresh();
async function validateFilePermission() {
const filePath = path.resolve(tmpDir, 'tmp-chmod.txt');
const fileHandle = await open(filePath, 'w+', 0o444);
// File created with r--r--r-- 444
const statsBeforeMod = fs.statSync(filePath);
assert.strictEqual(statsBeforeMod.mode & 0o444, 0o444);
let expectedAccess;
const newPermissions = 0o765;
if (common.isWindows) {
// Chmod in Windows will only toggle read only/write access. The
// fs.Stats.mode in Windows is computed using read/write
// bits (not exec). Read-only at best returns 444; r/w 666.
// Refer: /deps/uv/src/win/fs.cfs;
expectedAccess = 0o664;
} else {
expectedAccess = newPermissions;
}
// Change the permissions to rwxr--r-x
await fileHandle.chmod(newPermissions);
const statsAfterMod = fs.statSync(filePath);
assert.deepStrictEqual(statsAfterMod.mode & expectedAccess, expectedAccess);
await fileHandle.close();
}
validateFilePermission().then(common.mustCall());
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