diff options
Diffstat (limited to 'activesupport/test')
-rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index 63ccb5a7da..b63ab30965 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -287,10 +287,14 @@ class HashExtTest < Test::Unit::TestCase # Should return a new hash with only the given keys. assert_equal expected, original.slice(:a, :b) assert_not_equal expected, original + end + + def test_slice_inplace + original = { :a => 'x', :b => 'y', :c => 10 } + expected = { :c => 10 } # Should replace the hash with only the given keys. assert_equal expected, original.slice!(:a, :b) - assert_equal expected, original end def test_slice_with_an_array_key @@ -300,10 +304,14 @@ class HashExtTest < Test::Unit::TestCase # Should return a new hash with only the given keys when given an array key. assert_equal expected, original.slice([:a, :b], :c) assert_not_equal expected, original + end + + def test_slice_inplace_with_an_array_key + original = { :a => 'x', :b => 'y', :c => 10, [:a, :b] => "an array key" } + expected = { :a => 'x', :b => 'y' } # Should replace the hash with only the given keys when given an array key. assert_equal expected, original.slice!([:a, :b], :c) - assert_equal expected, original end def test_slice_with_splatted_keys @@ -322,11 +330,17 @@ class HashExtTest < Test::Unit::TestCase # Should return a new hash with only the given keys. assert_equal expected, original.slice(*keys), keys.inspect assert_not_equal expected, original + end + end + def test_indifferent_slice_inplace + original = { :a => 'x', :b => 'y', :c => 10 }.with_indifferent_access + expected = { :c => 10 }.with_indifferent_access + + [['a', 'b'], [:a, :b]].each do |keys| # Should replace the hash with only the given keys. copy = original.dup assert_equal expected, copy.slice!(*keys) - assert_equal expected, copy end end |