add a test case for #121

Author: wtsnjp

spec/misc/getopt_spec.rb

@@ -112,7 +112,7 @@
   end
 
   # error cases
-  context "running without any option nor argument" do
+  context "without any option nor argument" do
     before(:each) { run_texdoc }
 
     it 'should result in the "no action" error' do
@@ -140,6 +140,15 @@
     end
   end
 
+  context "missing arguments for Option -c, followed by other options" do
+    before(:each) { run_texdoc "-c", "--help" }
+
+    it "should result in a getopt parser error" do
+      expect(last_command_started).to have_exit_status(1)
+      expect(stderr).to include(error_line "Option -c requires an argument.")
+    end
+  end
+
   context "given an unknown option" do
     before(:each) { run_texdoc "-x" }