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describe :proc_dup, shared: true do
it "returns a copy of self" do
a = -> { "hello" }
b = a.send(@method)
a.should_not equal(b)
a.call.should == b.call
end
ruby_version_is "3.2" do
it "returns an instance of subclass" do
cl = Class.new(Proc)
cl.new{}.send(@method).class.should == cl
end
end
ruby_version_is "3.4" do
it "copies instance variables" do
proc = -> { "hello" }
proc.instance_variable_set(:@ivar, 1)
cl = proc.send(@method)
cl.instance_variables.should == [:@ivar]
end
it "copies the finalizer" do
code = <<-RUBY
obj = Proc.new { }
ObjectSpace.define_finalizer(obj, Proc.new { STDOUT.write "finalized\n" })
obj.clone
exit 0
RUBY
ruby_exe(code).lines.sort.should == ["finalized\n", "finalized\n"]
end
end
end
|
