diff options
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
-rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index 2d0c56bef5..b059bc3e89 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -781,6 +781,24 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 'bender', slice['login'] end + def test_slice_bang_does_not_override_default + hash = Hash.new(0) + hash.update(a: 1, b: 2) + + hash.slice!(:a) + + assert_equal 0, hash[:c] + end + + def test_slice_bang_does_not_override_default_proc + hash = Hash.new { |h, k| h[k] = [] } + hash.update(a: 1, b: 2) + + hash.slice!(:a) + + assert_equal [], hash[:c] + end + def test_extract original = {:a => 1, :b => 2, :c => 3, :d => 4} expected = {:a => 1, :b => 2} |