ruby--ruby/spec/ruby/core/hash/gt_spec.rb

require_relative '../../spec_helper'
require_relative 'shared/comparison'
require_relative 'shared/greater_than'

describe "Hash#>" do
  it_behaves_like :hash_comparison, :>
  it_behaves_like :hash_greater_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 smaller than argument" do
    (@hash > @bigger).should == false
    (@unrelated > @bigger).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 argument is a subset of receiver" do
    (@bigger > @hash).should == true
  end

  it "returns false when keys match but values don't" do
    (@hash > @similar).should == false
    (@similar > @hash).should == false
  end
end