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require_relative '../../spec_helper'
describe "Module#singleton_class?" do
it "returns true for singleton classes" do
xs = self.singleton_class
xs.singleton_class?.should == true
end
it "returns false for other classes" do
c = Class.new
c.singleton_class?.should == false
end
describe "with singleton values" do
it "returns false for nil's singleton class" do
NilClass.singleton_class?.should == false
end
it "returns false for true's singleton class" do
TrueClass.singleton_class?.should == false
end
it "returns false for false's singleton class" do
FalseClass.singleton_class?.should == false
end
end
end
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