2 files changed, 19 insertions, 0 deletions
diff --git a/test/rubygems/test_gem_command.rb b/test/rubygems/test_gem_command.rb
index a99de30b33..4d0c4eb5e8 100644
--- a/test/rubygems/test_gem_command.rb
+++ b/test/rubygems/test_gem_command.rb
@@ -189,6 +189,18 @@ class TestGemCommand < Gem::TestCase
     assert_match %r{Usage: gem doit}, @ui.output
   end
 
+  def test_add_option
+    assert_nothing_raised RuntimeError do
+      @cmd.add_option('--force', 'skip validation of the spec') {|v,o| }
+    end
+  end
+
+  def test_add_option_with_empty
+    assert_raise RuntimeError, "Do not pass an empty string in opts" do
+      @cmd.add_option('', 'skip validation of the spec') {|v,o| }
+    end
+  end
+
   def test_option_recognition
     @cmd.add_option('-h', '--help [COMMAND]', 'Get help on COMMAND') do |value, options|
       options[:help] = true
diff --git a/test/rubygems/test_gem_commands_help_command.rb b/test/rubygems/test_gem_commands_help_command.rb
index 24cf2d2250..128db5db1f 100644
--- a/test/rubygems/test_gem_commands_help_command.rb
+++ b/test/rubygems/test_gem_commands_help_command.rb
@@ -35,6 +35,13 @@ class TestGemCommandsHelpCommand < Gem::TestCase
     end
   end
 
+  def test_gem_help_build
+    util_gem 'build' do |out, err|
+      assert_match(/-C PATH *Run as if gem build was started in <PATH>/, out)
+      assert_equal '', err
+    end
+  end
+
   def test_gem_help_commands
     mgr = Gem::CommandManager.new