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

ruby_version_is "1.9" do
  describe "Time#round" do
    before do 
      @time = Time.utc(2010, 3, 30, 5, 43, "25.123456789".to_r) 
      @subclass = Class.new(Time).now
    end

    it "defaults to rounding to 0 places" do
      @time.round.should == Time.utc(2010, 3, 30, 5, 43, 25.to_r) 
    end

    it "rounds to 0 decimal places with an explicit argument" do
      @time.round(0).should == Time.utc(2010, 3, 30, 5, 43, 25.to_r) 
    end

    it "rounds to 7 decimal places with an explicit argument" do
      @time.round(7).should == Time.utc(2010, 3, 30, 5, 43, "25.1234568".to_r) 
    end

    it "returns an instance of Time, even if #round is called on a subclass" do
      @subclass.round.should be_kind_of Time
    end
  end
end
