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Contents
# Assignment
# ----------
test "context property assignment (using @)", ->
nonce = {}
addMethod = ->
@method = -> nonce
this
eq nonce, addMethod.call({}).method()
test "unassignable values", ->
nonce = {}
for nonref in ['', '""', '0', 'f()'].concat CoffeeScript.RESERVED
eq nonce, (try CoffeeScript.compile "#{nonref} = v" catch e then nonce)
test "compound assignments should not declare", ->
# TODO: make description more clear
# TODO: remove reference to Math
eq Math, (-> Math or= 0)()
#### Statements as Expressions
test "assign the result of a try/catch block", ->
# multiline
result = try
nonexistent * missing
catch error
true
eq true, result
# single line
result = try nonexistent * missing catch error then true
eq true, result
test "conditionals", ->
# assign inside the condition of a conditional statement
nonce = {}
if a = nonce then 1
eq nonce, a
1 if b = nonce
eq nonce, b
# assign the result of a conditional statement
c = if true then nonce
eq nonce, c
test "assign inside the condition of a `while` loop", ->
nonce = {}
count = 1
a = nonce while count--
eq nonce, a
count = 1
while count--
b = nonce
eq nonce, b
#### Compound Assignment
test "compound assignment (math operators)", ->
num = 10
num -= 5
eq 5, num
num *= 10
eq 50, num
num /= 10
eq 5, num
num %= 3
eq 2, num
test "more compound assignment", ->
a = {}
val = undefined
val ||= a
val ||= true
eq a, val
b = {}
val &&= true
eq val, true
val &&= b
eq b, val
c = {}
val = null
val ?= c
val ?= true
eq c, val
#### Destructuring Assignment
# NO TESTS?!
# TODO: make tests for destructuring assignment
Version data entries
10 entries across 10 versions & 2 rubygems