1 files changed, 58 insertions, 0 deletions
diff --git a/spec/ruby/fixtures/class_variables.rb b/spec/ruby/fixtures/class_variables.rb
new file mode 100644
index 0000000000..02ca042230
--- /dev/null
+++ b/spec/ruby/fixtures/class_variables.rb
@@ -0,0 +1,58 @@
+module ClassVariablesSpec
+
+  class ClassA
+    @@cvar_a = :cvar_a
+
+    def cvar_a
+      @@cvar_a
+    end
+
+    def cvar_a=(val)
+      @@cvar_a = val
+    end
+  end
+
+  class ClassB < ClassA; end
+
+  # Extended in ClassC
+  module ModuleM
+    @@cvar_m = :value
+
+    def cvar_m
+      @@cvar_m
+    end
+
+    def cvar_m=(val)
+      @@cvar_m = val
+    end
+  end
+
+  # Extended in ModuleO
+  module ModuleN
+    @@cvar_n = :value
+
+    def cvar_n
+      @@cvar_n
+    end
+
+    def cvar_n=(val)
+      @@cvar_n = val
+    end
+  end
+
+  module ModuleO
+    extend ModuleN
+  end
+
+  class ClassC
+    extend ModuleM
+
+    def self.cvar_defined?
+      self.class_variable_defined?(:@@cvar)
+    end
+
+    def self.cvar_c=(val)
+      @@cvar = val
+    end
+  end
+end