node_modules/base64-js/test/url-safe.js

var test = require('tape')
var b64 = require('../')

test('decode url-safe style base64 strings', function (t) {
  var expected = [0xff, 0xff, 0xbe, 0xff, 0xef, 0xbf, 0xfb, 0xef, 0xff]

  var str = '//++/++/++//'
  var actual = b64.toByteArray(str)
  for (var i = 0; i < actual.length; i++) {
    t.equal(actual[i], expected[i])
  }

  t.equal(b64.byteLength(str), actual.length)

  str = '__--_--_--__'
  actual = b64.toByteArray(str)
  for (i = 0; i < actual.length; i++) {
    t.equal(actual[i], expected[i])
  }

  t.equal(b64.byteLength(str), actual.length)

  t.end()
})