1 files changed, 39 insertions, 5 deletions
diff --git a/test/irb/test_debugger_integration.rb b/test/irb/test_debugger_integration.rb
index 839a0d43f0..8b1bddea17 100644
--- a/test/irb/test_debugger_integration.rb
+++ b/test/irb/test_debugger_integration.rb
@@ -67,6 +67,22 @@ module TestIRB
       assert_match(/IRB is already running with a debug session/, output)
     end
 
+    def test_debug_command_can_only_be_called_from_binding_irb
+      write_ruby <<~'ruby'
+        require "irb"
+        # trick test framework
+        puts "binding.irb"
+        IRB.start
+      ruby
+
+      output = run_ruby_file do
+        type "debug"
+        type "exit"
+      end
+
+      assert_include(output, "Debugging commands are only available when IRB is started with binding.irb")
+    end
+
     def test_next
       write_ruby <<~'ruby'
         binding.irb
@@ -244,28 +260,46 @@ module TestIRB
     def test_exit
       write_ruby <<~'RUBY'
         binding.irb
-        puts "hello"
+        puts "he" + "llo"
       RUBY
 
       output = run_ruby_file do
-        type "next"
+        type "debug"
         type "exit"
       end
 
-      assert_match(/irb\(main\):001> next/, output)
+      assert_match(/irb:rdbg\(main\):002>/, output)
+      assert_match(/hello/, output)
+    end
+
+    def test_force_exit
+      write_ruby <<~'RUBY'
+        binding.irb
+        puts "he" + "llo"
+      RUBY
+
+      output = run_ruby_file do
+        type "debug"
+        type "exit!"
+      end
+
+      assert_match(/irb:rdbg\(main\):002>/, output)
+      assert_not_match(/hello/, output)
     end
 
     def test_quit
       write_ruby <<~'RUBY'
         binding.irb
+        puts "he" + "llo"
       RUBY
 
       output = run_ruby_file do
-        type "next"
+        type "debug"
         type "quit!"
       end
 
-      assert_match(/irb\(main\):001> next/, output)
+      assert_match(/irb:rdbg\(main\):002>/, output)
+      assert_not_match(/hello/, output)
     end
 
     def test_prompt_line_number_continues