Ruby: add test with compound assignment to a constant

Author: asgerf

ruby/ql/test/library-tests/controlflow/graph/Cfg.expected

@@ -3696,7 +3696,7 @@ cfg.rb:
 #-----|  -> exit filter_nil
 
 #  207| filter_nil
-#-----|  -> self
+#-----|  -> exit cfg.rb (normal)
 
 #  207| list
 #-----|  -> list
@@ -3733,34 +3733,14 @@ cfg.rb:
 #  209| call to nil?
 #-----|  -> exit do ... end (normal)
 
-#  213| call to do_something
-#-----|  -> exit cfg.rb (normal)
-
-#  213| self
-#-----|  -> do ... end
-
-#  213| do ... end
-#-----|  -> call to do_something
-
-#  213| enter do ... end
-#-----|  -> self
-
-#  213| exit do ... end
-
-#  213| exit do ... end (normal)
-#-----|  -> exit do ... end
-
-#  214| self
-#-----|  -> call to something
+constant_compound_assign.rb:
+#    1| Foo
+#-----|  -> foo_before
 
-#  214| call to something
-#-----|  -> self
-
-#  215| call to something_else
-#-----|  -> exit do ... end (normal)
+#    1| enter constant_compound_assign.rb
+#-----|  -> Foo
 
-#  215| self
-#-----|  -> call to something_else
+#    2| foo_before
 
 desugar.rb:
 #    1| enter m1

ruby/ql/test/library-tests/controlflow/graph/constant_compound_assign.rb

@@ -0,0 +1,17 @@
+module Foo
+    def foo_before
+    end
+
+    FOO_CONSTANT ||= 123
+
+    def foo_after
+    end
+end
+
+def top_before
+end
+
+TOP_CONSTANT ||= 123
+
+def top_after
+end