require File.expand_path('../../../spec_helper', __FILE__)

ruby_version_is "1.9" do
  describe "Random#seed" do

    it "returns an Integer" do
      Random.new.seed.should be_kind_of(Integer)
    end

    it "returns an arbitrary seed if the constructor was called without arguments" do
      Random.new.seed.should_not == Random.new.seed
    end

    it "returns the same generated seed when repeatedly called on the same object" do
      prng = Random.new
      prng.seed.should == prng.seed
    end

    it "returns the seed given in the constructor" do
      prng = Random.new(36788)
      prng.seed.should == prng.seed
      prng.seed.should == 36788
    end

    it "returns the given seed coerced with #to_int" do
      obj = mock_numeric('int')
      obj.should_receive(:to_int).and_return(34)
      prng = Random.new(obj)
      prng.seed.should == 34
    end
  end
end