diff options
Diffstat (limited to 'activesupport/test/core_ext/module/introspection_test.rb')
-rw-r--r-- | activesupport/test/core_ext/module/introspection_test.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/activesupport/test/core_ext/module/introspection_test.rb b/activesupport/test/core_ext/module/introspection_test.rb new file mode 100644 index 0000000000..76d3012239 --- /dev/null +++ b/activesupport/test/core_ext/module/introspection_test.rb @@ -0,0 +1,39 @@ +# frozen_string_literal: true + +require "abstract_unit" +require "active_support/core_ext/module/introspection" + +module ParentA + module B + module C; end + module FrozenC; end + FrozenC.freeze + end + + module FrozenB; end + FrozenB.freeze +end + +class IntrospectionTest < ActiveSupport::TestCase + def test_parent_name + assert_equal "ParentA", ParentA::B.parent_name + assert_equal "ParentA::B", ParentA::B::C.parent_name + assert_nil ParentA.parent_name + end + + def test_parent_name_when_frozen + assert_equal "ParentA", ParentA::FrozenB.parent_name + assert_equal "ParentA::B", ParentA::B::FrozenC.parent_name + end + + def test_parent + assert_equal ParentA::B, ParentA::B::C.parent + assert_equal ParentA, ParentA::B.parent + assert_equal Object, ParentA.parent + end + + def test_parents + assert_equal [ParentA::B, ParentA, Object], ParentA::B::C.parents + assert_equal [ParentA, Object], ParentA::B.parents + end +end |