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'use strict'; const common = require('../common'); const assert = require('assert'); // utf8, ucs2, ascii, latin1, utf16le const encodings = ['utf8', 'utf-8', 'ucs2', 'ucs-2', 'ascii', 'latin1', 'binary', 'utf16le', 'utf-16le']; encodings .reduce((es, e) => es.concat(e, e.toUpperCase()), []) .forEach((encoding) => { assert.strictEqual(Buffer.from('foo', encoding).toString(encoding), 'foo'); }); // base64 ['base64', 'BASE64'].forEach((encoding) => { assert.strictEqual(Buffer.from('Zm9v', encoding).toString(encoding), 'Zm9v'); }); // hex ['hex', 'HEX'].forEach((encoding) => { assert.strictEqual(Buffer.from('666f6f', encoding).toString(encoding), '666f6f'); }); // Invalid encodings for (let i = 1; i < 10; i++) { const encoding = String(i).repeat(i); const error = common.expectsError({ code: 'ERR_UNKNOWN_ENCODING', name: 'TypeError', message: `Unknown encoding: ${encoding}` }); assert.ok(!Buffer.isEncoding(encoding)); assert.throws(() => Buffer.from('foo').toString(encoding), error); }