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require File.expand_path('../../../spec_helper', __FILE__)
describe "ObjectSpace._id2ref" do
it "converts an object id to a reference to the object" do
s = "I am a string"
r = ObjectSpace._id2ref(s.object_id)
r.should == s
end
it "retrieves a Fixnum by object_id" do
f = 1
r = ObjectSpace._id2ref(f.object_id)
r.should == f
end
it "retrieves a Symbol by object_id" do
s = :sym
r = ObjectSpace._id2ref(s.object_id)
r.should == s
end
it "raises a RangeError for invalid immediate object_id" do
lambda { ObjectSpace._id2ref(1073741822) }.should raise_error(RangeError)
end
end
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