describe "Hash#has_value?" do
  it "returns true if the value exists in the hash" do
    {:a => :b}.has_value?(:a).should == false
    {1 => 2}.has_value?(2).should == true
    h = Hash.new 5
    h.has_value?(5).should == false
  end

  it "uses == semantics for comparing values" do
    {5 => 2.0}.has_value?(2).should == true
  end
end