add test to check deprecation

1 files changed, 13 insertions, 1 deletions

diff --git a/spec/commands/install_spec.rb b/spec/commands/install_spec.rb
index 1b60c26409..b663426af7 100644
--- a/spec/commands/install_spec.rb
+++ b/spec/commands/install_spec.rb
@@ -393,7 +393,7 @@ describe "bundle install with gem sources" do
   end
 
   describe "when using the --path flag" do
-    it "print an error and exit" do
+    it "prints an error and exits" do
       gemfile <<-G
         gem 'rack'
       G
@@ -404,6 +404,18 @@ describe "bundle install with gem sources" do
     end
   end
 
+  describe "when using the --system flag" do
+    it "prints an error and exit" do
+      gemfile <<-G
+        gem 'rack'
+      G
+
+      bundle "install --system"
+
+      expect(err).to include("Unknown switches '--system'")
+    end
+  end
+
   describe "using the cross-application user cache" do
     let(:source)  { "http://localgemserver.test" }
     let(:source2) { "http://gemserver.example.org" }