{ iferr, tiferr, throwerr } = require '../index.coffee'
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{ equal: eq, throws } = require 'assert'
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invoke_fail = (cb) -> cb new Error 'callback error'
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invoke_succ = (cb) -> cb null
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throw_error = -> throw new Error 'thrown'
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describe 'iferr', ->
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it 'calls the error callback on errors', (done) ->
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invoke_fail iferr(
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(err) ->
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eq err.message, 'callback error'
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do done
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->
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done new Error 'shouldn\'t call the success callback'
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)
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it 'calls the success callback on success', (done) ->
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invoke_succ iferr(
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-> done new Error 'shouldn\'t call the error callback'
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done
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)
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describe 'tiferr', ->
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it 'catches errors in the success callback', (done) ->
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invoke_succ tiferr(
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(err) ->
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eq err.message, 'thrown'
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do done
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throw_error
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)
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describe 'throwerr', ->
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it 'throws errors passed to the callback', (done)->
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try invoke_fail throwerr ->
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done 'shouldn\'t call the success callback'
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catch err
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eq err.message, 'callback error'
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do done
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it 'delegates to the success callback otherwise', (done) ->
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invoke_succ throwerr done
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