11cb0ef41Sopenharmony_ci'use strict'; 21cb0ef41Sopenharmony_cirequire('../common'); 31cb0ef41Sopenharmony_ciconst assert = require('assert'); 41cb0ef41Sopenharmony_ciconst path = require('path'); 51cb0ef41Sopenharmony_ciconst fs = require('fs'); 61cb0ef41Sopenharmony_ciconst tmpdir = require('../common/tmpdir'); 71cb0ef41Sopenharmony_ciconst tmp = tmpdir.path; 81cb0ef41Sopenharmony_ci 91cb0ef41Sopenharmony_citmpdir.refresh(); 101cb0ef41Sopenharmony_ci 111cb0ef41Sopenharmony_ciconst filename = path.resolve(tmp, 'truncate-sync-file.txt'); 121cb0ef41Sopenharmony_ci 131cb0ef41Sopenharmony_cifs.writeFileSync(filename, 'hello world', 'utf8'); 141cb0ef41Sopenharmony_ci 151cb0ef41Sopenharmony_ciconst fd = fs.openSync(filename, 'r+'); 161cb0ef41Sopenharmony_ci 171cb0ef41Sopenharmony_cifs.truncateSync(fd, 5); 181cb0ef41Sopenharmony_ciassert(fs.readFileSync(fd).equals(Buffer.from('hello'))); 191cb0ef41Sopenharmony_ci 201cb0ef41Sopenharmony_cifs.closeSync(fd); 211cb0ef41Sopenharmony_cifs.unlinkSync(filename); 22