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jashkenas--coffeescript
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updated all completed test files except comments.coffee to the new 

testing mini-framework
This commit is contained in:
Michael Ficarra 2010-12-10 00:23:37 -05:00
parent 7ac1176120
commit 113cecc4f0
6 changed files with 152 additions and 218 deletions
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52
test/arguments.coffee
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@ -6,8 +6,7 @@
id = (_) ->
if arguments.length is 1 then _ else Array::slice.call(arguments)
# basic argument passing tests
(->
test "basic argument passing tests", ->
a = {}
b = {}
c = {}
@ -15,10 +14,8 @@ id = (_) ->
eq 2, (id 1, 2)[1]
eq a, (id a)
eq c, (id a, b, c)[2]
)()
# passing arguments on separate lines
(->
test "passing arguments on separate lines", ->
a = {}
b = {}
c = {}
@ -36,28 +33,24 @@ id = (_) ->
))
eq b,
(id b)
)()
# reference `arguments` inside of functions
(->
test "reference `arguments` inside of functions", ->
sumOfArgs = ->
sum = (a,b)-> a + b
Array::reduce.call(arguments,sum,0)
eq 10, sumOfArgs(0, 1, 2, 3, 4)
)()
#### Parameter List Features
# splats
eq 2, (((splat...) -> splat) 0,1,2)[2]
eq 3, (((_, _, splat...) -> splat) 0,1,2,3)[1]
eq 1, (((splat..., _, _) -> splat) 0,1,2,3)[1]
eq 2, (((_, _, splat..., _) -> splat) 0,1,2,3)[0]
test "splats", ->
eq 2, (((splat...) -> splat) 0,1,2)[2]
eq 3, (((_, _, splat...) -> splat) 0,1,2,3)[1]
eq 1, (((splat..., _, _) -> splat) 0,1,2,3)[1]
eq 2, (((_, _, splat..., _) -> splat) 0,1,2,3)[0]
# @-parameters: automatically assign an argument's value to a property of the context
(->
test "@-parameters: automatically assign an argument's value to a property of the context", ->
nonce = {}
((@prop) ->).call context = {}, nonce
@ -73,10 +66,8 @@ eq 2, (((_, _, splat..., _) -> splat) 0,1,2,3)[0]
# the argument should still be able to be referenced normally
eq nonce, (((@prop) -> prop).call {}, nonce)
)()
# @-parameters and splats with constructors
(->
test "@-parameters and splats with constructors", ->
a = {}
b = {}
class Klass
@ -85,16 +76,14 @@ eq 2, (((_, _, splat..., _) -> splat) 0,1,2,3)[0]
obj = new Klass a, 0, 0, b
eq a, obj.first
eq b, obj.last
)()
# destructuring in function definition
(([{a: [b], c}]...) ->
eq 1, b
eq 2, c
) {a: [1], c: 2}
test "destructuring in function definition", ->
(([{a: [b], c}]...) ->
eq 1, b
eq 2, c
) {a: [1], c: 2}
# default values
(->
test "default values", ->
nonceA = {}
nonceB = {}
a = (_,_,arg=nonceA) -> arg
@ -121,23 +110,18 @@ eq 2, (((_, _, splat..., _) -> splat) 0,1,2,3)[0]
eq nonceA, c(null)
eq false , c(false)
eq nonceB, c(nonceB,undefined,undefined)
)()
# default values with @-parameters
(->
test "default values with @-parameters", ->
a = {}
b = {}
obj = f: (q = a, @p = b) -> q
eq a, obj.f()
eq b, obj.p
)()
# default values with splatted arguments
(->
test "default values with splatted arguments", ->
withSplats = (a = 2, b..., c = 3, d = 5) -> a * (b.length + 1) * c * d
eq 30, withSplats()
eq 15, withSplats(1)
eq 5, withSplats(1,1)
eq 1, withSplats(1,1,1)
eq 2, withSplats(1,1,1,1)
)()

36
test/assignment.coffee
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@ -3,32 +3,27 @@
################
# context property assignment (using @)
(->
test "context property assignment (using @)", ->
nonce = {}
addMethod = ->
@method = -> nonce
this
eq nonce, addMethod.call({}).method()
)()
# unassignable values
(->
test "unassignable values", ->
nonce = {}
for nonref in ['', '""', '0', 'f()'].concat CoffeeScript.RESERVED
eq nonce, (try CoffeeScript.compile "#{nonref} = v" catch e then nonce)
)()
# compound assignments should not declare
# TODO: make description more clear
# TODO: remove reference to Math
eq Math, (-> Math or= 0)()
test "compound assignments should not declare", ->
# TODO: make description more clear
# TODO: remove reference to Math
eq Math, (-> Math or= 0)()
#### Statements as Expressions
# assign the result of a try/catch block
(->
test "assign the result of a try/catch block", ->
# multiline
result = try
nonexistent * missing
@ -39,10 +34,8 @@ eq Math, (-> Math or= 0)()
# single line
result = try nonexistent * missing catch error then true
eq true, result
)()
# conditionals
(->
test "conditionals", ->
# assign inside the condition of a conditional statement
nonce = {}
if a = nonce then 1
@ -53,10 +46,8 @@ eq Math, (-> Math or= 0)()
# assign the result of a conditional statement
c = if true then nonce
eq nonce, c
)()
# assign inside the condition of a `while` loop
(->
test "assign inside the condition of a `while` loop", ->
nonce = {}
count = 1
a = nonce while count--
@ -65,13 +56,11 @@ eq Math, (-> Math or= 0)()
while count--
b = nonce
eq nonce, b
)()
#### Compound Assignment
# compound assignment (math operators)
(->
test "compound assignment (math operators)", ->
num = 10
num -= 5
eq 5, num
@ -84,10 +73,8 @@ eq Math, (-> Math or= 0)()
num %= 3
eq 2, num
)()
# more compound assignment
(->
test "more compound assignment", ->
a = {}
val = undefined
val ||= a
@ -105,7 +92,6 @@ eq Math, (-> Math or= 0)()
val ?= c
val ?= true
eq c, val
)()
#### Destructuring Assignment

8
test/break.coffee
View File

@ -3,17 +3,14 @@
###########
# break at the top level
(->
test "break at the top level", ->
for i in [1,2,3]
result = i
if i == 2
break
eq 2, result
)()
# break *not* at the top level
(->
test "break *not* at the top level", ->
someFunc = () ->
i = 0
while ++i < 3
@ -21,4 +18,3 @@
break if i > 1
result
eq 2, someFunc()
)()

85
test/exception_handling.coffee Normal file
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@ -0,0 +1,85 @@
################
## Exceptions ##
################
# shared nonce
nonce = {}
#### Throw
test "basic exception throwing", ->
throws (-> throw ->), ->
throws (-> throw new ->), ->
#### Empty Try/Catch/Finally
test "try can exist alone", ->
try
test "try/catch with empty try, empty catch", ->
try
# nothing
catch err
# nothing
test "single-line try/catch with empty try, empty catch", ->
try catch err
test "try/finally with empty try, empty finally", ->
try
# nothing
finally
# nothing
test "single-line try/finally with empty try, empty finally", ->
try finally
test "try/catch/finally with empty try, empty catch, empty finally", ->
try
catch err
finally
test "single-line try/catch/finally with empty try, empty catch, empty finally", ->
try catch err then finally
#### Try/Catch/Finally as an Expression
test "return the result of try when no exception is thrown", ->
result = try
nonce
catch err
undefined
finally
undefined
eq nonce, result
test "single-line result of try when no exception is thrown", ->
result = try nonce catch err then undefined
eq nonce, result
test "return the result of catch when an exception is thrown", ->
result = try
throw ->
catch err
nonce
eq nonce, result
test "single-line result of catch when an exception is thrown", ->
result = try throw -> catch err then nonce
eq nonce, result
test "optional catch", ->
fn = ->
try throw ->
nonce
eq nonce, fn()
#### Try/Catch/Finally Interaction With Other Constructs
test "try/catch with empty catch as last statement in a function body", ->
fn = ->
try nonce
catch err
eq nonce, fn()

85
test/exceptions.coffee
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@ -1,85 +0,0 @@
################
## Exceptions ##
################
# shared nonce
nonce = {}
#### Throw
# basic exception throwing
throws (-> throw ->), ->
throws (-> throw new ->), ->
#### Empty Try/Catch/Finally
# try can exist alone
try
# try/catch with empty try, empty catch
try
# nothing
catch err
# nothing
# single-line try/catch with empty try, empty catch
try catch err
# try/finally with empty try, empty finally
try
# nothing
finally
# nothing
# single-line try/finally with empty try, empty finally
try finally
# try/catch/finally with empty try, empty catch, empty finally
try
catch err
finally
# single-line try/catch/finally with empty try, empty catch, empty finally
try catch err then finally
#### Try/Catch/Finally as an Expression
# return the result of try when no exception is thrown
result = try
nonce
catch err
undefined
finally
undefined
eq nonce, result
# single-line result of try when no exception is thrown
result = try nonce catch err then undefined
eq nonce, result
# return the result of catch when an exception is thrown
result = try
throw ->
catch err
nonce
eq nonce, result
# single-line result of catch when an exception is thrown
result = try throw -> catch err then nonce
eq nonce, result
# optional catch
fn = ->
try throw ->
nonce
eq nonce, fn()
#### Try/Catch/Finally Interaction With Other Constructs
# try/catch with empty catch as last statement in a function body
func = ->
try nonce
catch err
ok func() is nonce

104
test/operators.coffee
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@ -3,18 +3,15 @@
###############
# binary (2-ary) math operators do not require spaces
(->
test "binary (2-ary) math operators do not require spaces", ->
a = 1
b = -1
eq +1, a*-b
eq -1, a*+b
eq +1, a/-b
eq -1, a/+b
)()
# operators should respect new lines as spaced
(->
test "operators should respect new lines as spaced", ->
a = 123 +
456
eq 579, a
@ -22,13 +19,11 @@
b = "1#{2}3" +
"456"
eq '123456', b
)()
# multiple operators should space themselves
eq (+ +1), (- -1)
test "multiple operators should space themselves", ->
eq (+ +1), (- -1)
# bitwise operators
(->
test "bitwise operators", ->
eq 2, (10 & 3)
eq 11, (10 | 3)
eq 9, (10 ^ 3)
@ -41,22 +36,18 @@ eq (+ +1), (- -1)
num = 10; eq 80, (num <<= 3)
num = 10; eq 1, (num >>= 3)
num = 10; eq 1, (num >>>= 3)
)()
# `instanceof`
(->
test "`instanceof`", ->
ok new String instanceof String
ok new Boolean instanceof Boolean
# `instanceof` supports negation by prefixing the operator with `not`
ok new Number not instanceof String
ok new Array not instanceof Boolean
)()
#### Compound Assignment Operators
# boolean operators
(->
test "boolean operators", ->
nonce = {}
a = 0
@ -79,20 +70,16 @@ eq (+ +1), (- -1)
e = f = false
e and= f or true
eq false, e
)()
# compound assignment as a sub expression
(->
test "compound assignment as a sub expression", ->
[a, b, c] = [1, 2, 3]
eq 6, (a + b += c)
eq 1, a
eq 5, b
eq 3, c
)()
# compound assignment should be careful about caching variables
# *note: this test could still use refactoring*
(->
test "compound assignment should be careful about caching variables", ->
count = 0
list = []
@ -119,10 +106,8 @@ eq (+ +1), (- -1)
base().five ?= 5
eq 5, base.five
eq 5, count
)()
# compound assignment with implicit objects
(->
test "compound assignment with implicit objects", ->
obj = undefined
obj ?=
one: 1
@ -134,44 +119,37 @@ eq (+ +1), (- -1)
eq undefined, obj.one
eq 2, obj.two
)()
#### `is`,`isnt`,`==`,`!=`
# `==` and `is` should be interchangeable.
(->
test "`==` and `is` should be interchangeable", ->
a = b = 1
ok a is 1 and b == 1
ok a == b
ok a is b
)()
# `!=` and `isnt` should be interchangeable.
(->
test "`!=` and `isnt` should be interchangeable", ->
a = 0
b = 1
ok a isnt 1 and b != 0
ok a != b
ok a isnt b
)()
#### `in`, `of`
# - `in` should check if an array contains a value using `indexOf`
# - `of` should check if a property is defined on an object using `in`
(->
test "in, of", ->
arr = [1]
ok 0 of arr
ok 1 in arr
# prefixing `not` to `in and `of` should negate them
ok 1 not of arr
ok 0 not in arr
)()
# `in` should be able to operate on an array literal
(->
test "`in` should be able to operate on an array literal", ->
ok 2 in [0, 1, 2, 3]
ok 4 not in [0, 1, 2, 3]
arr = [0, 1, 2, 3]
@ -185,10 +163,8 @@ eq (+ +1), (- -1)
val = 0
ok val++ of arr
ok val++ not of arr
)()
# `of` and `in` should be able to operate on instance variables
(->
test "`of` and `in` should be able to operate on instance variables", ->
obj = {
list: [2,3]
in_list: (value) -> value in @list
@ -200,60 +176,52 @@ eq (+ +1), (- -1)
ok obj.not_in_list 1
ok obj.of_list 0
ok obj.not_of_list 2
)()
#???: `in` with cache and `__indexOf` should work in argument lists
eq 1, [Object() in Array()].length
test "#???: `in` with cache and `__indexOf` should work in argument lists", ->
eq 1, [Object() in Array()].length
#737: `in` should have higher precedence than logical operators.
eq 1, 1 in [1] and 1
test "#737: `in` should have higher precedence than logical operators", ->
eq 1, 1 in [1] and 1
#768: `in` should preserve evaluation order.
(->
test "#768: `in` should preserve evaluation order", ->
share = 0
a = -> share++ if share is 0
b = -> share++ if share is 1
c = -> share++ if share is 2
ok a() not in [b(),c()]
eq 3, share
)()
#### Chainable Operators
ok 100 > 10 > 1 > 0 > -1
ok -1 < 0 < 1 < 10 < 100
test "chainable operators", ->
ok 100 > 10 > 1 > 0 > -1
ok -1 < 0 < 1 < 10 < 100
# `is` and `isnt` may be chained
ok true is not false is true is not false
ok 0 is 0 isnt 1 is 1
test "`is` and `isnt` may be chained", ->
ok true is not false is true is not false
ok 0 is 0 isnt 1 is 1
# different comparison operators (`>`,`<`,`is`,etc.) may be combined
ok 1 < 2 > 1
ok 10 < 20 > 2+3 is 5
test "different comparison operators (`>`,`<`,`is`,etc.) may be combined", ->
ok 1 < 2 > 1
ok 10 < 20 > 2+3 is 5
# some chainable operators can be negated by `unless`
ok (true unless 0==10!=100)
test "some chainable operators can be negated by `unless`", ->
ok (true unless 0==10!=100)
# operator precedence: `|` lower than `<`
eq 1, 1 | 2 < 3 < 4
test "operator precedence: `|` lower than `<`", ->
eq 1, 1 | 2 < 3 < 4
# preserve references
(->
test "preserve references", ->
a = b = c = 1
# `a == b <= c` should become `a === b && b <= c`
# (this test does not seem to test for this)
ok a == b <= c
)()
# chained operations should evaluate each value only once
(->
test "chained operations should evaluate each value only once", ->
a = 0
ok 1 > a++ < 1
)()
#891: incorrect inversion of chained comparisons
(->
test "#891: incorrect inversion of chained comparisons", ->
ok (true unless 0 > 1 > 2)
ok (true unless (NaN = 0/0) < 0/0 < NaN)
)()