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tests for #1643: splatted accesses in destructuring assignments no longer create obj.key var declarations

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Gerald Lewis
2011-09-01 14:47:30 -04:00
parent 43a8b46203
commit 8ebda7ac02
1 changed files with 14 additions and 0 deletions
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14
test/assignment.coffee
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@@ -306,3 +306,17 @@ test "#1591, #1101: splatted expressions in destructuring assignment must be ass
nonce = {}
for nonref in ['', '""', '0', 'f()', '(->)'].concat CoffeeScript.RESERVED
eq nonce, (try CoffeeScript.compile "[#{nonref}...] = v" catch e then nonce)
test "#1643: splatted accesses in destructuring assignments should not be declared as variables", ->
nonce = {}
accesses = ['o.a', 'C::a', 'C::', 'o["a"]', '(o.a)', 'f().a', '(o.a).a', '@o.a', 'o?.a', 'f?().a']
for access in accesses
code =
"""
nonce = {}; @o = o = new (class C then a:{}); f = -> o
[#{access}...] = [nonce]
unless #{access}[0] is nonce then throw 'error'
"""
eq nonce, unless (try CoffeeScript.run code, bare: true catch e then true) then nonce