[ruby/rdoc] Fix the known classes more

https://github.com/ruby/rdoc/commit/9f47234e0e

1 files changed, 23 insertions, 2 deletions

diff --git a/test/rdoc/test_rdoc_parser_c.rb b/test/rdoc/test_rdoc_parser_c.rb
index 8125f5def6..4bb18ce925 100644
--- a/test/rdoc/test_rdoc_parser_c.rb
+++ b/test/rdoc/test_rdoc_parser_c.rb
@@ -101,6 +101,29 @@ class TestRDocParserC < RDoc::TestCase
     end
   end
 
+  def test_known_classes
+    RDoc::KNOWN_CLASSES.each do |var, name|
+      case name
+      when "Refinement"
+        next unless defined?(Refinement)
+      when "Bignum", "Fixnum", "Data", "Socket", /\A(?![A-Z])/
+        next
+      end
+      obj = Object.const_get(name)
+      assert_equal obj.name, name
+      case var
+      when /\Arb_c/
+        assert_kind_of Class, obj
+      when /\Arb_m/
+        assert_kind_of Module, obj
+      when /\Arb_e/
+        assert_operator obj, :<=, Exception
+      else
+        raise "unknown prefix: #{var} => #{name}"
+      end
+    end
+  end
+
   def test_initialize
     some_ext        = @top_level.add_class RDoc::NormalClass, 'SomeExt'
                       @top_level.add_class RDoc::SingleClass, 'SomeExtSingle'
@@ -115,8 +138,6 @@ class TestRDocParserC < RDoc::TestCase
 
     parser = RDoc::Parser::C.new @top_level, @fn, '', @options, @stats
 
-    assert_equal "ArgumentError", parser.known_classes["rb_eArgError"]
-
     expected = { 'cSomeExt' => some_ext }
     assert_equal expected, parser.classes