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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Class#dup" do
it "duplicates both the class and the singleton class" do
klass = Class.new do
def hello
"hello"
end
def self.message
"text"
end
end
klass_dup = klass.dup
klass_dup.new.hello.should == "hello"
klass_dup.message.should == "text"
end
it "retains an included module in the ancestor chain for the singleton class" do
klass = Class.new
mod = Module.new do
def hello
"hello"
end
end
klass.extend(mod)
klass_dup = klass.dup
klass_dup.hello.should == "hello"
end
it "retains the correct ancestor chain for the singleton class" do
super_klass = Class.new do
def hello
"hello"
end
def self.message
"text"
end
end
klass = Class.new(super_klass)
klass_dup = klass.dup
klass_dup.new.hello.should == "hello"
klass_dup.message.should == "text"
end
ruby_version_is ""..."1.9" do
it "sets the name from the class to \"\" if not assigned to a constant" do
copy = CoreClassSpecs::Record.dup
copy.name.should == ""
end
end
ruby_version_is "1.9" do
it "sets the name from the class to nil if not assigned to a constant" do
copy = CoreClassSpecs::Record.dup
copy.name.should be_nil
end
end
it "stores the new name if assigned to a constant" do
CoreClassSpecs::RecordCopy = CoreClassSpecs::Record.dup
CoreClassSpecs::RecordCopy.name.should == "CoreClassSpecs::RecordCopy"
end
end
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