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# 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 "#2516: Unicode spaces should not be part of identifiers", ->
a = (x) -> x * 2
b = 3
eq 6, a b # U+00A0 NO-BREAK SPACE
eq 6, a b # U+1680 OGHAM SPACE MARK
eq 6, a b # U+2000 EN QUAD
eq 6, a b # U+2001 EM QUAD
eq 6, a b # U+2002 EN SPACE
eq 6, a b # U+2003 EM SPACE
eq 6, a b # U+2004 THREE-PER-EM SPACE
eq 6, a b # U+2005 FOUR-PER-EM SPACE
eq 6, a b # U+2006 SIX-PER-EM SPACE
eq 6, a b # U+2007 FIGURE SPACE
eq 6, a b # U+2008 PUNCTUATION SPACE
eq 6, a b # U+2009 THIN SPACE
eq 6, a b # U+200A HAIR SPACE
eq 6, a b # U+202F NARROW NO-BREAK SPACE
eq 6, a b # U+205F MEDIUM MATHEMATICAL SPACE
eq 6, a b # U+3000 IDEOGRAPHIC SPACE
# #3560: Non-breaking space (U+00A0) (before `'c'`)
eq 5, {c: 5}[ 'c' ]
# A line where every space in non-breaking
  eq 1 + 12  
test "don't accidentally stringify keywords", ->
ok (-> this == 'this')() is false
test "#1026: no if/else/else allowed", ->
cantCompile '''
if a
b
else
c
else
d
'''
test "#1050: no closing asterisk comments from within block comments", ->
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"
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