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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Module#class_variables" do
ruby_version_is ""..."1.9" do
it "returns an Array with the names of class variables of self and self's ancestors" do
ModuleSpecs::ClassVars::A.class_variables.should include("@@a_cvar")
ModuleSpecs::ClassVars::M.class_variables.should include("@@m_cvar")
ModuleSpecs::ClassVars::B.class_variables.should include("@@a_cvar", "@@b_cvar", "@@m_cvar")
end
it "returns an Array with names of class variables defined in metaclasses" do
ModuleSpecs::CVars.class_variables.should include("@@cls", "@@meta")
end
it "returns an Array of Strings of class variable names defined in a metaclass" do
obj = mock("metaclass class variable")
meta = obj.singleton_class
meta.send :class_variable_set, :@@var, :cvar_value
meta.class_variables.should == ["@@var"]
end
it "returns an Array with names of class variables defined in included modules" do
c = Class.new { include ModuleSpecs::MVars }
c.class_variables.should include("@@mvar")
end
it "does not return class variables defined in extended modules" do
c = Class.new
c.extend ModuleSpecs::MVars
c.class_variables.should_not include("@@mvar")
end
end
ruby_version_is "1.9" do
it "returns an Array with the names of class variables of self" do
ModuleSpecs::ClassVars::A.class_variables.should include(:@@a_cvar)
ModuleSpecs::ClassVars::M.class_variables.should include(:@@m_cvar)
end
it "returns an Array of Symbols of class variable names defined in a metaclass" do
obj = mock("metaclass class variable")
meta = obj.singleton_class
meta.send :class_variable_set, :@@var, :cvar_value
meta.class_variables.should == [:@@var]
end
it "returns an Array with names of class variables defined in metaclasses" do
ModuleSpecs::CVars.class_variables.should include(:@@cls, :@@meta)
end
it "does not return class variables defined in extended modules" do
c = Class.new
c.extend ModuleSpecs::MVars
c.class_variables.should_not include(:@@mvar)
end
end
end
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