# Compilation

# -----------

# helper to assert that a string should fail compilation

cantCompile = (code) ->

throws -> CoffeeScript.compile code

test "ensure that carriage returns don't break compilation on Windows", ->

doesNotThrow -> CoffeeScript.compile 'one\r\ntwo', bare: on

test "#3089 - don't mutate passed in options to compile", ->

opts = {}

CoffeeScript.compile '1 + 1', opts

ok !opts.scope

test "--bare", ->

eq -1, CoffeeScript.compile('x = y', bare: on).indexOf 'function'

ok 'passed' is CoffeeScript.eval '"passed"', bare: on, filename: 'test'

test "header (#1778)", ->

header = "// Generated by CoffeeScript #{CoffeeScript.VERSION}\n"

eq 0, CoffeeScript.compile('x = y', header: on).indexOf header

test "header is disabled by default", ->

header = "// Generated by CoffeeScript #{CoffeeScript.VERSION}\n"

eq -1, CoffeeScript.compile('x = y').indexOf header

test "multiple generated references", ->

a = {b: []}

a.b[true] = -> this == a.b

c = 0

d = []

ok a.b[0<++c<2] d...

test "splat on a line by itself is invalid", ->

cantCompile "x 'a'\n...\n"

test "Issue 750", ->

cantCompile 'f(->'

cantCompile 'a = (break)'

cantCompile 'a = (return 5 for item in list)'

cantCompile 'a = (return 5 while condition)'

cantCompile 'a = for x in y\n return 5'

test "Issue #986: Unicode identifiers", ->

λ = 5

eq λ, 5

test "don't accidentally stringify keywords", ->

ok (-> this == 'this')() is false

test "#1026", ->

cantCompile '''

if a

b

else

c

else

d

'''

test "#1050", ->

cantCompile "### */ ###"

test "#1273: escaping quotes at the end of heredocs", ->

cantCompile '"""\\"""' # """\"""

cantCompile '"""\\\\\\"""' # """\\\"""

test "#1106: __proto__ compilation", ->

object = eq

@["__proto__"] = true

ok __proto__

test "reference named hasOwnProperty", ->

CoffeeScript.compile 'hasOwnProperty = 0; a = 1'

test "#1055: invalid keys in real (but not work-product) objects", ->

cantCompile "@key: value"

test "#1066: interpolated strings are not implicit functions", ->

cantCompile '"int#{er}polated" arg'

test "#2846: while with empty body", ->

CoffeeScript.compile 'while 1 then', {sourceMap: true}

test "#2944: implicit call with a regex argument", ->

CoffeeScript.compile 'o[key] /regex/'

test "#3001: `own` shouldn't be allowed in a `for`-`in` loop", ->

cantCompile "a for own b in c"

test "#2994: single-line `if` requires `then`", ->

cantCompile "if b else x"