diff options
Diffstat (limited to 'activesupport/test/core_ext/hash_ext_test.rb')
-rw-r--r-- | activesupport/test/core_ext/hash_ext_test.rb | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/hash_ext_test.rb b/activesupport/test/core_ext/hash_ext_test.rb index 05813ad388..525ea08abd 100644 --- a/activesupport/test/core_ext/hash_ext_test.rb +++ b/activesupport/test/core_ext/hash_ext_test.rb @@ -8,6 +8,8 @@ require "active_support/core_ext/object/deep_dup" require "active_support/inflections" class HashExtTest < ActiveSupport::TestCase + HashWithIndifferentAccess = ActiveSupport::HashWithIndifferentAccess + class IndifferentHash < ActiveSupport::HashWithIndifferentAccess end @@ -597,6 +599,16 @@ class HashExtTest < ActiveSupport::TestCase assert_equal(@strings, compacted_hash) assert_equal(hash_contain_nil_value, hash) assert_instance_of ActiveSupport::HashWithIndifferentAccess, compacted_hash + + empty_hash = ActiveSupport::HashWithIndifferentAccess.new + compacted_hash = empty_hash.compact + + assert_equal compacted_hash, empty_hash + + non_empty_hash = ActiveSupport::HashWithIndifferentAccess.new(foo: :bar) + compacted_hash = non_empty_hash.compact + + assert_equal compacted_hash, non_empty_hash end def test_indifferent_to_hash @@ -1078,6 +1090,30 @@ class HashExtTest < ActiveSupport::TestCase assert_equal 1, hash[:a] assert_equal 3, hash[:b] end + + def test_inheriting_from_top_level_hash_with_indifferent_access_preserves_ancestors_chain + klass = Class.new(::HashWithIndifferentAccess) + assert_equal ActiveSupport::HashWithIndifferentAccess, klass.ancestors[1] + end + + def test_inheriting_from_hash_with_indifferent_access_properly_dumps_ivars + klass = Class.new(::HashWithIndifferentAccess) do + def initialize(*) + @foo = "bar" + super + end + end + + yaml_output = klass.new.to_yaml + + # `hash-with-ivars` was introduced in 2.0.9 (https://git.io/vyUQW) + if Gem::Version.new(Psych::VERSION) >= Gem::Version.new("2.0.9") + assert_includes yaml_output, "hash-with-ivars" + assert_includes yaml_output, "@foo: bar" + else + assert_includes yaml_output, "hash" + end + end end class IWriteMyOwnXML @@ -1123,6 +1159,8 @@ class HashExtToParamTests < ActiveSupport::TestCase end class HashToXmlTest < ActiveSupport::TestCase + HashWithIndifferentAccess = ActiveSupport::HashWithIndifferentAccess + def setup @xml_options = { root: :person, skip_instruct: true, indent: 0 } end |