1 files changed, 33 insertions, 0 deletions
diff --git a/jni/ruby/test/rubygems/test_gem_commands_list_command.rb b/jni/ruby/test/rubygems/test_gem_commands_list_command.rb
new file mode 100644
index 0000000..b03f166
--- /dev/null
+++ b/jni/ruby/test/rubygems/test_gem_commands_list_command.rb
@@ -0,0 +1,33 @@
+require 'rubygems/test_case'
+require 'rubygems/commands/list_command'
+
+class TestGemCommandsListCommand < Gem::TestCase
+
+  def setup
+    super
+
+    @cmd = Gem::Commands::ListCommand.new
+
+    spec_fetcher do |fetcher|
+      fetcher.spec 'c', 1
+    end
+
+    @fetcher.data["#{@gem_repo}Marshal.#{Gem.marshal_version}"] = proc do
+      raise Gem::RemoteFetcher::FetchError
+    end
+  end
+
+  def test_execute_installed
+    @cmd.handle_options %w[c --installed]
+
+    assert_raises Gem::MockGemUi::SystemExitException do
+      use_ui @ui do
+        @cmd.execute
+      end
+    end
+
+    assert_equal "true\n", @ui.output
+    assert_equal '', @ui.error
+  end
+
+end