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jashkenas--coffeescript/test/test_helpers.coffee
2010-09-26 10:28:48 -04:00

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CoffeeScript

{indexOf, include, starts, ends, compact, count, merge, extend, flatten, del} = require '../lib/helpers'
# Test `indexOf`
array = [0..4]
ok indexOf(array, 0) is 0
ok indexOf(array, 2) is 2
ok indexOf(array, 4) is 4
ok indexOf(array, 6) is -1
# Test `include`
ok include array, 0
ok include array, 2
ok include array, 4
ok not include array, 6
# Test `starts`
string = array.join ''
ok starts string, '012'
ok starts string, '34', 3
ok not starts string, '42'
ok not starts string, '42', 6
# Test `ends`
ok ends string, '234'
ok ends string, '01', 3
ok not ends string, '42'
ok not ends string, '42', 6
# Test `merge`
object = {}
merged = merge object, array
ok merged isnt object
ok merged[3] is 3
# Test `extend`
ok object is extend object, array
ok object[3] is 3
# Test `flatten`
ok "#{ flatten [0, [1, 2], 3, [4]] }" is "#{ array }"
ok 1 is del object, 1
ok 1 not of object