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require "spec_helper"
require "hamster/hash"
describe Hamster::Hash do
describe "#fetch_values" do
context "when the all the requests keys exist" do
it "returns a vector of values for the given keys" do
h = H[:a => 9, :b => 'a', :c => -10, :d => nil]
h.fetch_values.should be_kind_of(Hamster::Vector)
h.fetch_values.should eql(V.empty)
h.fetch_values(:a, :d, :b).should be_kind_of(Hamster::Vector)
h.fetch_values(:a, :d, :b).should eql(V[9, nil, 'a'])
end
end
context "when the key does not exist" do
it "raises a KeyError" do
-> { H["A" => "aye", "C" => "Cee"].fetch_values("A", "B") }.should raise_error(KeyError)
end
end
end
end
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