1 files changed, 11 insertions, 0 deletions
diff --git a/test/rdoc/test_rdoc_options.rb b/test/rdoc/test_rdoc_options.rb
index a3b1876bf3..62a5b2db54 100644
--- a/test/rdoc/test_rdoc_options.rb
+++ b/test/rdoc/test_rdoc_options.rb
@@ -39,5 +39,16 @@ class TestRDocOptions < MiniTest::Unit::TestCase
     assert_match %r%^invalid option: --bogus%, err
   end
 
+  def test_parse_main
+    out, err = capture_io do
+      @options.parse %w[--main MAIN]
+    end
+
+    assert_empty out
+    assert_empty err
+
+    assert_equal 'MAIN', @options.main_page
+  end
+
 end