1require_relative '../../spec_helper' 2 3describe "Module#singleton_class?" do 4 it "returns true for singleton classes" do 5 xs = self.singleton_class 6 xs.singleton_class?.should == true 7 end 8 9 it "returns false for other classes" do 10 c = Class.new 11 c.singleton_class?.should == false 12 end 13 14 describe "with singleton values" do 15 it "returns false for nil's singleton class" do 16 NilClass.singleton_class?.should == false 17 end 18 19 it "returns false for true's singleton class" do 20 TrueClass.singleton_class?.should == false 21 end 22 23 it "returns false for false's singleton class" do 24 FalseClass.singleton_class?.should == false 25 end 26 end 27end 28