           [
             ['eq', ['get', 'a'], ['number', 7]]
             ['eq', ['get', 'b'], ['number', 5]]
-            ['eq', ['minus', ['get', 'a'], ['get', 'b']], ['get', 'c']]                        
-
-          
+            ['eq', ['minus', ['get', 'a'], ['get', 'b']], ['get', 'c']]
           ]

        c: 2
      done()
    # [a(7)] - [b(6)] == [c]
    worker.postMessage 
      ast:
        vars:
          [


expect = chai.expect

describe 'Cassowary Web Worker', ->
  worker = null
  it 'should be possible to instantiate', ->
    worker = new Worker('../browser/engine/worker.js')
  it 'should solve a set of simple constraints', (done) ->
    worker.addEventListener 'error', onWorkerError
    worker.addEventListener 'message', (m) ->
