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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "Hash#to_h" do
it "returns self for Hash instances" do
h = {}
h.to_h.should equal(h)
end
describe "when called on a subclass of Hash" do
before :each do
@h = HashSpecs::MyHash.new
@h[:foo] = :bar
end
it "returns a new Hash instance" do
@h.to_h.should be_an_instance_of(Hash)
@h.to_h.should == @h
@h[:foo].should == :bar
end
it "copies the default" do
@h.default = 42
@h.to_h.default.should == 42
@h[:hello].should == 42
end
it "copies the default_proc" do
@h.default_proc = prc = Proc.new{ |h, k| h[k] = 2 * k }
@h.to_h.default_proc.should == prc
@h[42].should == 84
end
end
end
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