node-base64-bug.js

var Buffer = require('buffer').Buffer,
    assert = require('assert');

// This string encodes single '.' character in UTF-16
// prepended with BOM (\ufeff).
var dot = new Buffer('//4uAA==', 'base64');

// These pass
assert.equal(dot[0], 0xff);
assert.equal(dot[1], 0xfe);
assert.equal(dot[2], 0x2e);
assert.equal(dot[3], 0x00);

// This fails
assert.equal(dot.toString('base64'), '//4uAA==');