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Contents?: true
Size: 1008 Bytes
Versions: 10
Compression:
Stored size: 1008 Bytes
Contents
# Scope
# -----
# * Variable Safety
# * Variable Shadowing
# * Auto-closure (`do`)
# * Global Scope Leaks
test "reference `arguments` inside of functions", ->
sumOfArgs = ->
sum = (a,b) -> a + b
sum = 0
sum += num for num in arguments
sum
eq 10, sumOfArgs(0, 1, 2, 3, 4)
test "assignment to an Object.prototype-named variable should not leak to outer scope", ->
# FIXME: fails on IE
(->
constructor = 'word'
)()
ok constructor isnt 'word'
test "siblings of splat parameters shouldn't leak to surrounding scope", ->
x = 10
oops = (x, args...) ->
oops(20, 1, 2, 3)
eq x, 10
test "catch statements should introduce their argument to scope", ->
try throw ''
catch e
do -> e = 5
eq 5, e
class Array then slice: fail # needs to be global
class Object then hasOwnProperty: fail
test "#1973: redefining Array/Object constructors shouldn't confuse __X helpers", ->
arr = [1..4]
arrayEq [3, 4], arr[2..]
obj = {arr}
for own k of obj
eq arr, obj[k]
Version data entries
10 entries across 10 versions & 1 rubygems