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require_relative '../../spec_helper'
require_relative 'shared/comparison'
require_relative 'shared/less_than'
describe "Hash#<" do
it_behaves_like :hash_comparison, :<
it_behaves_like :hash_less_than, :<
it "returns false if both hashes are identical" do
h = { a: 1, b: 2 }
(h < h).should be_false
end
end
describe "Hash#<" do
before :each do
@hash = {a:1, b:2}
@bigger = {a:1, b:2, c:3}
@unrelated = {c:3, d:4}
@similar = {a:2, b:3}
end
it "returns false when receiver size is larger than argument" do
(@bigger < @hash).should == false
(@bigger < @unrelated).should == false
end
it "returns false when receiver size is the same as argument" do
(@hash < @hash).should == false
(@hash < @unrelated).should == false
(@unrelated < @hash).should == false
end
it "returns true when receiver is a subset of argument" do
(@hash < @bigger).should == true
end
it "returns false when keys match but values don't" do
(@hash < @similar).should == false
(@similar < @hash).should == false
end
end
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