work correctly with trap(Integer,...)

follow up for #976

Author: Ruby

lib/debug/session.rb

@@ -2524,6 +2524,16 @@ def daemon(*args)
 
   module TrapInterceptor
     def trap sig, *command, &command_proc
+      sym =
+        case sig
+        when String
+          sig.to_sym
+        when Integer
+          Signal.signame(sig)&.to_sym
+        else
+          sig
+        end
+
       case sig&.to_s&.to_sym
       when :INT, :SIGINT
         if defined?(SESSION) && SESSION.active? && SESSION.intercept_trap_sigint?

test/console/trap_test.rb

@@ -24,6 +24,32 @@ def test_sigint
         type 'c'
       end
     end
+
+    def test_trap_with
+      debug_code %q{
+        1| trap(:INT){} # Symbol
+        2| _ = 1
+      }, remote: false do
+        type 'n'
+        type 'n'
+      end
+
+      debug_code %q{
+        1| trap('INT'){} # String
+        2| _ = 1
+      }, remote: false do
+        type 'n'
+        type 'n'
+      end
+
+      debug_code %q{
+        1| trap(Signal.list['INT']){} if Signal.list['INT'] # Integer
+        2| _ = 1
+      }, remote: false do
+        type 'n'
+        type 'n'
+      end
+    end
   end
 end