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Ensure Hash#except is allowed on a frozen hash. References #382

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Signed-off-by: Pratik Naik <pratiknaik@gmail.com>
This commit is contained in:
Mislav Marohnić 2008-09-13 20:12:17 +02:00 committed by Pratik Naik
parent 113de01eaf
commit 96055414d6
2 changed files with 15 additions and 1 deletions
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2
activesupport/lib/active_support/core_ext/hash/except.rb
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@ -10,7 +10,7 @@ module ActiveSupport #:nodoc:
module Except
# Returns a new hash without the given keys.
def except(*keys)
clone.except!(*keys)
dup.except!(*keys)
end
# Replaces the hash without the given keys.

14
activesupport/test/core_ext/hash_ext_test.rb
View file

@ -341,6 +341,20 @@ class HashExtTest < Test::Unit::TestCase
assert_equal expected, original.except!(:c)
assert_equal expected, original
end
def test_except_with_original_frozen
original = { :a => 'x', :b => 'y' }
original.freeze
assert_nothing_raised { original.except(:a) }
end
uses_mocha 'except with expectation' do
def test_except_with_mocha_expectation_on_original
original = { :a => 'x', :b => 'y' }
original.expects(:delete).never
original.except(:a)
end
end
end
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