jashkenas--coffeescript/test/test_switch.coffee

86 lines
1.2 KiB
CoffeeScript

num = 10
result = switch num
when 5 then false
when 'a'
true
true
false
when 10 then true
# Mid-switch comment with whitespace
# and multi line
when 11 then false
else false
ok result
func = (num) ->
switch num
when 2, 4, 6
true
when 1, 3, 5
false
else false
ok func(2)
ok func(6)
ok !func(3)
ok !func(8)
# Should cache the switch value, if anything fancier than a literal.
num = 5
result = switch num += 5
when 5 then false
when 15 then false
when 10 then true
else false
ok result
# Ensure that trailing switch elses don't get rewritten.
result = false
switch "word"
when "one thing"
doSomething()
else
result = true unless false
ok result
result = false
switch "word"
when "one thing"
doSomething()
when "other thing"
doSomething()
else
result = true unless false
ok result
# Should be able to handle switches sans-condition.
result = switch
when null then 1
when 'truthful string' then 2
else 3
ok result is 2
# Should be able to use "@properties" within the switch clause.
obj = {
num: 101
func: ->
switch @num
when 101 then '101!'
else 'other'
}
ok obj.func() is '101!'