1 files changed, 13 insertions, 0 deletions
diff --git a/test/shell/test_command_processor.rb b/test/shell/test_command_processor.rb
index 99fe1b222a..9abc75d5e6 100644
--- a/test/shell/test_command_processor.rb
+++ b/test/shell/test_command_processor.rb
@@ -66,4 +66,17 @@ class TestShell::CommandProcessor < Test::Unit::TestCase
     Process.waitall
     Dir.rmdir(path)
   end
+
+  def test_option_type
+    name = 'foo'
+    path = File.join(@tmpdir, name)
+
+    open(path, 'w', 0755) {}
+    assert_raise(TypeError) {
+      catch(catch_command_start) {@shell.system(name, 42)}
+    }
+  ensure
+    Process.waitall
+    File.unlink(path)
+  end
 end