1 files changed, 44 insertions, 0 deletions
diff --git a/test/irb/test_evaluation.rb b/test/irb/test_evaluation.rb
new file mode 100644
index 0000000000..adb69b2067
--- /dev/null
+++ b/test/irb/test_evaluation.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require "tempfile"
+
+require_relative "helper"
+
+module TestIRB
+  class EchoingTest < IntegrationTestCase
+    def test_irb_echos_by_default
+      write_ruby <<~'RUBY'
+        binding.irb
+      RUBY
+
+      output = run_ruby_file do
+        type "123123"
+        type "exit"
+      end
+
+      assert_include(output, "=> 123123")
+    end
+
+    def test_irb_doesnt_echo_line_with_semicolon
+      write_ruby <<~'RUBY'
+        binding.irb
+      RUBY
+
+      output = run_ruby_file do
+        type "123123;"
+        type "123123   ;"
+        type "123123;   "
+        type <<~RUBY
+          if true
+            123123
+          end;
+        RUBY
+        type "'evaluation ends'"
+        type "exit"
+      end
+
+      assert_include(output, "=> \"evaluation ends\"")
+      assert_not_include(output, "=> 123123")
+    end
+  end
+end