diff options
| author | David Heinemeier Hansson <david@loudthinking.com> | 2007-07-09 21:49:37 +0000 |
|---|---|---|
| committer | David Heinemeier Hansson <david@loudthinking.com> | 2007-07-09 21:49:37 +0000 |
| commit | cb2381696029ad839ecddad08afea061d07685fb (patch) | |
| tree | 019bdde1381a1fd2e9423c494c13d76a048e4366 /activesupport/test/core_ext/hash_ext_test.rb | |
| parent | 5b2be6293443a4c25aab7cf3e74fc84cb70e2199 (diff) | |
| download | rails-cb2381696029ad839ecddad08afea061d07685fb.tar.gz rails-cb2381696029ad839ecddad08afea061d07685fb.tar.bz2 rails-cb2381696029ad839ecddad08afea061d07685fb.zip | |
Added Hash#except which is the inverse of Hash#slice -- return the hash except the keys that are specified [DHH]
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7172 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
| -rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index cae19a9335..c2b7a7f1eb 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -277,6 +277,19 @@ class HashExtTest < Test::Unit::TestCase assert_equal expected, copy end end + + def test_except + original = { :a => 'x', :b => 'y', :c => 10 } + expected = { :a => 'x', :b => 'y' } + + # Should return a new hash with only the given keys. + assert_equal expected, original.except(:c) + assert_not_equal expected, original + + # Should replace the hash with only the given keys. + assert_equal expected, original.except!(:c) + assert_equal expected, original + end end class IWriteMyOwnXML |