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 true if both hashes are identical" do
    h = { a: 1, b: 2 }
    (h >= h).should be_true
  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 argument is not a subset or not equals to receiver" do
    (@hash >= @unrelated).should == false
    (@unrelated >= @hash).should == false
  end

  it "returns true when argument is a subset of receiver or equals to receiver" do
    (@bigger >= @hash).should == true
    (@hash >= @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
