Add latest changes from gitlab-org/gitlab@master

1 files changed, 21 insertions, 0 deletions

diff --git a/spec/lib/rouge/formatters/html_gitlab_spec.rb b/spec/lib/rouge/formatters/html_gitlab_spec.rb
index 4bc9b256dce..7c92c62e30b 100644
--- a/spec/lib/rouge/formatters/html_gitlab_spec.rb
+++ b/spec/lib/rouge/formatters/html_gitlab_spec.rb
@@ -36,5 +36,26 @@ RSpec.describe Rouge::Formatters::HTMLGitlab do
         is_expected.to eq(code)
       end
     end
+
+    context 'when unicode control characters are used' do
+      let(:lang) { 'javascript' }
+      let(:tokens) { lexer.lex(code, continue: false) }
+      let(:code) do
+        <<~JS
+          #!/usr/bin/env node
+
+          var accessLevel = "user";
+          if (accessLevel != "user‮ ⁦// Check if admin⁩ ⁦") {
+              console.log("You are an admin.");
+          }
+        JS
+      end
+
+      it 'highlights the control characters' do
+        message = "Potentially unwanted character detected: Unicode BiDi Control"
+
+        is_expected.to include(%{<span class="unicode-bidi has-tooltip" data-toggle="tooltip" title="#{message}">}).exactly(4).times
+      end
+    end
   end
 end