Spec that Signal.trap(sig, :IGNORE) ignores the signal

Author: eregon

spec/ruby/core/signal/trap_spec.rb

@@ -47,6 +47,11 @@
       ScratchPad.recorded.should be_true
     end
 
+    it "registers an handler doing nothing with :IGNORE" do
+      Signal.trap :HUP, :IGNORE
+      Process.kill(:HUP, Process.pid).should == 1
+    end
+
     it "ignores the signal when passed nil" do
       Signal.trap :HUP, nil
       Signal.trap(:HUP, @saved_trap).should be_nil

spec/tags/core/signal/trap_tags.txt

@@ -6,3 +6,4 @@ slow:Signal.trap the special EXIT signal code can unset the handler
 slow:Signal.trap returns 'DEFAULT' for the initial SIGINT handler
 slow:Signal.trap accepts 'SYSTEM_DEFAULT' and uses the OS handler for SIGPIPE
 slow:Signal.trap allows to register a handler for all known signals, except reserved signals for which it raises ArgumentError
+fails:Signal.trap registers an handler doing nothing with :IGNORE