1 files changed, 18 insertions, 1 deletions
diff --git a/test/rubygems/test_gem_commands_open_command.rb b/test/rubygems/test_gem_commands_open_command.rb
index e6cbb43355..3ec38972e6 100644
--- a/test/rubygems/test_gem_commands_open_command.rb
+++ b/test/rubygems/test_gem_commands_open_command.rb
@@ -10,9 +10,10 @@ class TestGemCommandsOpenCommand < Gem::TestCase
     @cmd = Gem::Commands::OpenCommand.new
   end
 
-  def gem name
+  def gem(name, version = "1.0")
     spec = quick_gem name do |gem|
       gem.files = %W[lib/#{name}.rb Rakefile]
+      gem.version = version
     end
     write_file File.join(*%W[gems #{spec.full_name} lib #{name}.rb])
     write_file File.join(*%W[gems #{spec.full_name} Rakefile])
@@ -37,6 +38,22 @@ class TestGemCommandsOpenCommand < Gem::TestCase
     assert_equal "", @ui.error
   end
 
+  def test_wrong_version
+    @cmd.options[:version] = "4.0"
+    @cmd.options[:args] = %w[foo]
+
+    gem "foo", "5.0"
+
+    assert_raises Gem::MockGemUi::TermError do
+      use_ui @ui do
+        @cmd.execute
+      end
+    end
+
+    assert_match %r|Unable to find gem 'foo'|, @ui.output
+    assert_equal "", @ui.error
+  end
+
   def test_execute_bad_gem
     @cmd.options[:args] = %w[foo]