instance variable test

1.user_before_test.spec.coffee

class Problem
  ERROR:
    tooComplicated: new Error "I can't do that"

  constructor: ->
    @tokens = ["some", "tokens"]

  answer: ->
    if @tokens
      throw @ERROR.tooComplicated

describe 'Problem', ->
  it 'can catch throw', ->
    problem = new Problem
    expect(problem.answer()).toThrow(problem.ERROR.tooComplicated)

  it 'can retrieve @tokens', ->
    problem = new Problem
    expect(problem.answer).toThrow(problem.ERROR.tooComplicated)

2.before.output

$ jasmine-node --version
1.13.1
$ node -v
v0.10.25
$ jasmine-node --coffee user_before_test.spec.coffee 
FF

Failures:

  1) Problem can catch throw
   Message:
     Error: I can't do that
   Stacktrace:
     Error: I can't do that
  at /Users/marocchino/Documents/exercism/coffeescript/wordy/user_test.spec.coffee:3:25
  at Object.<anonymous> (/Users/marocchino/Documents/exercism/coffeescript/wordy/user_test.spec.coffee:21:5)
  at Object.<anonymous> (/Users/marocchino/Documents/exercism/coffeescript/wordy/user_test.spec.coffee:1:1)
  at Module._compile (module.js:456:26)
  at Object.loadFile (/usr/local/share/npm/lib/node_modules/jasmine-node/node_modules/coffee-script/lib/coffee-script/register.js:16:19)
  at Module.load (/usr/local/share/npm/lib/node_modules/jasmine-node/node_modules/coffee-script/lib/coffee-script/register.js:45:36)
  at Function.Module._load (module.js:312:12)
  at Module.require (module.js:364:17)
  at require (module.js:380:17)
  at Object.jasmine.executeSpecsInFolder (/usr/local/share/npm/lib/node_modules/jasmine-node/lib/jasmine-node/index.js:159:9)
  at Object.<anonymous> (/usr/local/share/npm/lib/node_modules/jasmine-node/lib/jasmine-node/cli.js:244:9)
  at Module._compile (module.js:456:26)
  at Object.Module._extensions..js (module.js:474:10)
  at Module.load (module.js:356:32)
  at Function.Module._load (module.js:312:12)
  at Module.require (module.js:364:17)
  at require (module.js:380:17)
  at Object.<anonymous> (/usr/local/share/npm/lib/node_modules/jasmine-node/bin/jasmine-node:6:1)
  at Module._compile (module.js:456:26)
  at Object.Module._extensions..js (module.js:474:10)
  at Module.load (module.js:356:32)
  at Function.Module._load (module.js:312:12)
  at Function.Module.runMain (module.js:497:10)
  at startup (node.js:119:16)
  at node.js:902:3


  2) Problem can retrieve @tokens
   Message:
     Expected function to throw an exception.
   Stacktrace:
     Error: Expected function to throw an exception.
  at [object Object].<anonymous> (/Users/marocchino/Documents/exercism/coffeescript/wordy/user_test.spec.coffee:19:28)
  at Timer.listOnTimeout [as ontimeout] (timers.js:110:15)

Finished in 0.029 seconds
2 tests, 2 assertions, 2 failures, 0 skipped

3.user_after_test.spec.coffee

class Problem
  ERROR:
    tooComplicated: new Error "I can't do that"

  constructor: ->
    @tokens = ["some", "tokens"]

  answer: ->
    if @tokens
      throw @ERROR.tooComplicated

describe 'Problem', ->
  it 'can not retrieve @tokens', ->
    problem = new Problem
    expect(problem.answer).not.toThrow(problem.ERROR.tooComplicated)

  it 'can catch throw', ->
    problem = new Problem
    expect(-> problem.answer()).toThrow(problem.ERROR.tooComplicated)

4.after.output

jasmine-node --coffee user_after_test.spec.coffee 
..

Finished in 0.007 seconds
2 tests, 2 assertions, 0 failures, 0 skipped