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

describe "Kernel#untrust" do
  ruby_version_is "1.9" do
    it "returns self" do
      o = Object.new
      o.untrust.should equal(o)
    end

    it "sets the untrusted bit" do
      o = Object.new
      o.untrust
      o.untrusted?.should == true
    end

    it "raises RuntimeError on a trusted, frozen object" do
      o = Object.new.freeze
      lambda { o.untrust }.should raise_error(RuntimeError)
    end

    it "does not raise an error on an untrusted, frozen object" do
      o = Object.new.untrust.freeze
      o.untrust.should equal(o)
    end
  end
end