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ruby--ruby/test/ruby/test_not.rb
shugo bbaf9b2800 * parse.y (primary): allow an empty grouped expression as the
operand of the not operator (e.g., not ()).
  [ruby-core:45976] [Bug #6674]

* parse.y (parser_yylex): show no warning for a grouped expression
  as the operand of the not operator (e.g., not (a)) or as an
  argument of a method call without parentheses (e.g., foo (a)).
  [ruby-core:39050] [Bug #5214]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36434 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-07-18 07:05:12 +00:00

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Ruby

require 'test/unit'
class TestIfunless < Test::Unit::TestCase
def test_not_with_grouped_expression
assert_equal(false, (not (true)))
assert_equal(true, (not (false)))
end
def test_not_with_empty_grouped_expression
assert_equal(true, (not ()))
end
end