ruby: add test for for

found during triage

Author: yoff

ruby/ql/test/query-tests/variables/UninitializedLocal/UninitializedLocal.expected

@@ -1,3 +1,5 @@
 | UninitializedLocal.rb:12:3:12:3 | m | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:8:7:8:7 | m | m |
 | UninitializedLocal.rb:34:5:34:5 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:9:27:9 | b | b |
 | UninitializedLocal.rb:34:23:34:23 | b | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:27:9:27:9 | b | b |
+| UninitializedLocal.rb:73:9:73:9 | i | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:73:9:73:9 | i | i |
+| UninitializedLocal.rb:76:5:76:5 | i | Local variable $@ may be used before it is initialized. | UninitializedLocal.rb:73:9:73:9 | i | i |

ruby/ql/test/query-tests/variables/UninitializedLocal/UninitializedLocal.rb

@@ -67,4 +67,11 @@ def test_loop
         end   
     end until a  # OK
     a  # OK - given previous until
+end
+
+def test_for
+    for i in 0..10  #$ SPURIOUS: Alert
+        i
+    end
+    i  #$ SPURIOUS: Alert
 end