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require File.expand_path('../../../spec_helper', __FILE__)
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 }
e.should include("1")
e.should include("2")
ensure
ENV.replace orig
end
end
ruby_version_is "" ... "1.8.7" do
it "raises LocalJumpError if no block given" do
lambda { ENV.each_key }.should raise_error(LocalJumpError)
end
end
ruby_version_is "1.8.7" do
it "returns an Enumerator if called without a block" do
ENV.each_key.should be_an_instance_of(enumerator_class)
end
end
ruby_version_is "1.9" do
it "returns keys in the locale encoding" do
ENV.each_key do |key|
key.encoding.should == Encoding.find('locale')
end
end
end
end
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