jashkenas--coffeescript/test/generators.coffee

# Generators
# -----------------

# * Generator Definition

# Using the keyword yield should not cause a syntax error.
-> yield 0

test "Generator Definition", ->
  x = ->
    yield 0
    yield 1
    yield 2
  y = x()
  z = y.next()
  eq z.value, 0
  eq z.done, false
  z = y.next()
  eq z.value, 1
  eq z.done, false
  z = y.next()
  eq z.value, 2
  eq z.done, false
  z = y.next()
  eq z.value, undefined
  eq z.done, true