test_fs_chmod_sync.mjs
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test_fs_chmod_sync.mjs
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	import fsDefault, { chmod as chmodFromFs, chmodSync as chmodSyncFromFs, statSync, writeFileSync, unlinkSync } from 'fs';
	import { chmod as chmodFromNodeFs, chmodSync as chmodSyncFromNodeFs } from 'node:fs';
	import { chmod as chmodFromPromises } from 'node:fs/promises';

	function assert(condition, message) {
	if (!condition) throw new Error(message);
	}

	const testFile = 'tests/.fs_chmod_sync_tmp';

	try {
	writeFileSync(testFile, 'chmod sync test');

	chmodSyncFromFs(testFile, 0o600);
	assert((statSync(testFile).mode & 0o777) === 0o600, 'fs named chmodSync should set numeric mode');

	chmodSyncFromNodeFs(testFile, '644');
	assert((statSync(testFile).mode & 0o777) === 0o644, 'node:fs named chmodSync should set string mode');

	fsDefault.chmodSync(testFile, '0o600');
	assert((fsDefault.statSync(testFile).mode & 0o777) === 0o600, 'default chmodSync should set prefixed string mode');

	await chmodFromPromises(testFile, 0o644);
	assert((statSync(testFile).mode & 0o777) === 0o644, 'fs/promises chmod should set numeric mode');

	await chmodFromNodeFs(testFile, '600');
	assert((statSync(testFile).mode & 0o777) === 0o600, 'node:fs named chmod should set string mode');

	await new Promise((resolve, reject) => {
	chmodFromFs(testFile, 0o644, error => error ? reject(error) : resolve());
	});
	assert((statSync(testFile).mode & 0o777) === 0o644, 'fs callback chmod should set numeric mode');
	} finally {
	try {
	fsDefault.chmodSync(testFile, 0o600);
	unlinkSync(testFile);
	} catch {}
	}

	console.log('fs chmodSync test passed');