1 files changed, 9 insertions, 0 deletions
diff --git a/spec/commands/newgem_spec.rb b/spec/commands/newgem_spec.rb
index 406f18e74e..ef653d306d 100644
--- a/spec/commands/newgem_spec.rb
+++ b/spec/commands/newgem_spec.rb
@@ -580,6 +580,15 @@ describe "bundle gem" do
     end
   end
 
+  describe "uncommon gem names" do
+    it "can deal with two dashes" do
+      bundle "gem a--a"
+      Bundler.clear_gemspec_cache
+
+      expect(bundled_app("a--a/a--a.gemspec")).to exist
+    end
+  end
+
   context "on first run" do
     before do
       in_app_root