Spec --enable- and --disable- flags

Author: chrisseaton

spec/ruby/command_line/feature_spec.rb

@@ -5,38 +5,52 @@
   it "can be used with gems" do
     ruby_exe("p defined?(Gem)", options: "--enable=gems").chomp.should == "\"constant\""
     ruby_exe("p defined?(Gem)", options: "--disable=gems").chomp.should == "nil"
+    ruby_exe("p defined?(Gem)", options: "--enable-gems").chomp.should == "\"constant\""
+    ruby_exe("p defined?(Gem)", options: "--disable-gems").chomp.should == "nil"
   end
 
   it "can be used with gem" do
     ruby_exe("p defined?(Gem)", options: "--enable=gem").chomp.should == "\"constant\""
     ruby_exe("p defined?(Gem)", options: "--disable=gem").chomp.should == "nil"
+    ruby_exe("p defined?(Gem)", options: "--enable-gem").chomp.should == "\"constant\""
+    ruby_exe("p defined?(Gem)", options: "--disable-gem").chomp.should == "nil"
   end
 
   it "can be used with did_you_mean" do
     ruby_exe("p defined?(DidYouMean)", options: "--enable=did_you_mean").chomp.should == "\"constant\""
     ruby_exe("p defined?(DidYouMean)", options: "--disable=did_you_mean").chomp.should == "nil"
+    ruby_exe("p defined?(DidYouMean)", options: "--enable-did_you_mean").chomp.should == "\"constant\""
+    ruby_exe("p defined?(DidYouMean)", options: "--disable-did_you_mean").chomp.should == "nil"
   end
 
   it "can be used with rubyopt" do
     ruby_exe("p $VERBOSE", options: "--enable=rubyopt", env: {'RUBYOPT' => '-w'}).chomp.should == "true"
     ruby_exe("p $VERBOSE", options: "--disable=rubyopt", env: {'RUBYOPT' => '-w'}).chomp.should == "false"
+    ruby_exe("p $VERBOSE", options: "--enable-rubyopt", env: {'RUBYOPT' => '-w'}).chomp.should == "true"
+    ruby_exe("p $VERBOSE", options: "--disable-rubyopt", env: {'RUBYOPT' => '-w'}).chomp.should == "false"
   end
 
   it "can be used with frozen-string-literal" do
     ruby_exe("p 'foo'.frozen?", options: "--enable=frozen-string-literal").chomp.should == "true"
     ruby_exe("p 'foo'.frozen?", options: "--disable=frozen-string-literal").chomp.should == "false"
+    ruby_exe("p 'foo'.frozen?", options: "--enable-frozen-string-literal").chomp.should == "true"
+    ruby_exe("p 'foo'.frozen?", options: "--disable-frozen-string-literal").chomp.should == "false"
   end
 
   ruby_version_is "2.6" do
     it "can be used with jit" do
       ruby_exe("p RubyVM::MJIT.enabled?", options: "--enable=jit").chomp.should == "true"
       ruby_exe("p RubyVM::MJIT.enabled?", options: "--disable=jit").chomp.should == "false"
+      ruby_exe("p RubyVM::MJIT.enabled?", options: "--enable-jit").chomp.should == "true"
+      ruby_exe("p RubyVM::MJIT.enabled?", options: "--disable-jit").chomp.should == "false"
     end
   end
 
   it "prints a warning for unknown features" do
     ruby_exe("p 14", options: "--enable=ruby-spec-feature-does-not-exist 2>&1").chomp.should include('warning: unknown argument for --enable')
     ruby_exe("p 14", options: "--disable=ruby-spec-feature-does-not-exist 2>&1").chomp.should include('warning: unknown argument for --disable')
+    ruby_exe("p 14", options: "--enable-ruby-spec-feature-does-not-exist 2>&1").chomp.should include('warning: unknown argument for --enable')
+    ruby_exe("p 14", options: "--disable-ruby-spec-feature-does-not-exist 2>&1").chomp.should include('warning: unknown argument for --disable')
   end
 
 end