add warning test when access or set $SAFE (#800)

Co-authored-by: Benoit Daloze <[email protected]>
ruby · Oct 16, 2020 · c8bc53a · c8bc53a
1 parent 4318316
commit c8bc53a
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/language/safe_spec.rb b/language/safe_spec.rb
@@ -135,4 +135,18 @@
       }.call
     end
   end
+
+  ruby_version_is "2.7"..."3.0" do
+    it "warn when access" do
+      -> {
+        $SAFE
+      }.should complain(/\$SAFE will become a normal global variable in Ruby 3.0/)
+    end
+
+    it "warn when set" do
+      -> {
+        $SAFE = 1
+      }.should complain(/\$SAFE will become a normal global variable in Ruby 3.0/)
+    end
+  end
 end