Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
Download
80551 views
Tweet
Share
Share
1
assert = require 'assert'

2


3
{btoa, atob} = require '..'

4


5


6
describe 'Base64.js', ->

7


8
  it 'can encode ASCII input', ->

9
    assert.strictEqual btoa(''), ''

10
    assert.strictEqual btoa('f'), 'Zg=='

11
    assert.strictEqual btoa('fo'), 'Zm8='

12
    assert.strictEqual btoa('foo'), 'Zm9v'

13
    assert.strictEqual btoa('quux'), 'cXV1eA=='

14
    assert.strictEqual btoa('!"#$%'), 'ISIjJCU='

15
    assert.strictEqual btoa("&'()*+"), 'JicoKSor'

16
    assert.strictEqual btoa(',-./012'), 'LC0uLzAxMg=='

17
    assert.strictEqual btoa('3456789:'), 'MzQ1Njc4OTo='

18
    assert.strictEqual btoa(';<=>?@ABC'), 'Ozw9Pj9AQUJD'

19
    assert.strictEqual btoa('DEFGHIJKLM'), 'REVGR0hJSktMTQ=='

20
    assert.strictEqual btoa('NOPQRSTUVWX'), 'Tk9QUVJTVFVWV1g='

21
    assert.strictEqual btoa('YZ[\\]^_`abc'), 'WVpbXF1eX2BhYmM='

22
    assert.strictEqual btoa('defghijklmnop'), 'ZGVmZ2hpamtsbW5vcA=='

23
    assert.strictEqual btoa('qrstuvwxyz{|}~'), 'cXJzdHV2d3h5ent8fX4='

24


25
  it 'cannot encode non-ASCII input', ->

26
    assert.throws (-> btoa '✈'), (err) ->

27
      err instanceof Error and

28
      err.name is 'InvalidCharacterError' and

29
      err.message is "'btoa' failed: The string to be encoded contains characters outside of the Latin1 range."

30


31
  it 'can decode Base64-encoded input', ->

32
    assert.strictEqual atob(''), ''

33
    assert.strictEqual atob('Zg=='), 'f'

34
    assert.strictEqual atob('Zm8='), 'fo'

35
    assert.strictEqual atob('Zm9v'), 'foo'

36
    assert.strictEqual atob('cXV1eA=='), 'quux'

37
    assert.strictEqual atob('ISIjJCU='), '!"#$%'

38
    assert.strictEqual atob('JicoKSor'), "&'()*+"

39
    assert.strictEqual atob('LC0uLzAxMg=='), ',-./012'

40
    assert.strictEqual atob('MzQ1Njc4OTo='), '3456789:'

41
    assert.strictEqual atob('Ozw9Pj9AQUJD'), ';<=>?@ABC'

42
    assert.strictEqual atob('REVGR0hJSktMTQ=='), 'DEFGHIJKLM'

43
    assert.strictEqual atob('Tk9QUVJTVFVWV1g='), 'NOPQRSTUVWX'

44
    assert.strictEqual atob('WVpbXF1eX2BhYmM='), 'YZ[\\]^_`abc'

45
    assert.strictEqual atob('ZGVmZ2hpamtsbW5vcA=='), 'defghijklmnop'

46
    assert.strictEqual atob('cXJzdHV2d3h5ent8fX4='), 'qrstuvwxyz{|}~'

47


48
  it 'cannot decode invalid input', ->

49
    assert.throws (-> atob 'a'), (err) ->

50
      err instanceof Error and

51
      err.name is 'InvalidCharacterError' and

52
      err.message is "'atob' failed: The string to be decoded is not correctly encoded."

53


54