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require "spec_helper"
require "hamster/hash"
describe Hamster::Hash do
let(:hash) { H[toast: 'buttered', jam: 'strawberry'] }
[:value?, :has_value?].each do |method|
describe "##{method}" do
it "returns true if any key/val pair in Hash has the same value" do
hash.send(method, 'strawberry').should == true
end
it "returns false if no key/val pair in Hash has the same value" do
hash.send(method, 'marmalade').should == false
end
it "uses #== to check equality" do
H[a: EqualNotEql.new].send(method, EqualNotEql.new).should == true
H[a: EqlNotEqual.new].send(method, EqlNotEqual.new).should == false
end
it "works on a large hash" do
large = H.new((1..1000).zip(2..1001))
[2, 100, 200, 500, 900, 1000, 1001].each { |n| large.value?(n).should == true }
end
end
end
end
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