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require_relative '../../spec_helper'
require_relative '../enumerable/shared/enumeratorized'
describe "ENV.each_key" do
it "returns each key" do
e = []
orig = ENV.to_hash
begin
ENV.clear
ENV["1"] = "3"
ENV["2"] = "4"
ENV.each_key { |k| e << k }.should equal(ENV)
e.should include("1")
e.should include("2")
ensure
ENV.replace orig
end
end
it "returns an Enumerator if called without a block" do
enum = ENV.each_key
enum.should be_an_instance_of(Enumerator)
enum.to_a.should == ENV.keys
end
it "returns keys in the locale encoding" do
ENV.each_key do |key|
key.encoding.should == Encoding.find('locale')
end
end
it_behaves_like :enumeratorized_with_origin_size, :each_key, ENV
end
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