require_relative '../../spec_helper' ruby_version_is "3.0" do describe "Hash#except" do before :each do @hash = { a: 1, b: 2, c: 3 } end it "returns a new duplicate hash without arguments" do ret = @hash.except ret.should_not equal(@hash) ret.should == @hash end it "returns a hash without the requested subset" do @hash.except(:c, :a).should == { b: 2 } end it "ignores keys not present in the original hash" do @hash.except(:a, :chunky_bacon).should == { b: 2, c: 3 } end it "returns an instance of a subclass" do klass = Class.new(Hash) h = klass.new h[:bar] = 12 h[:foo] = 42 r = h.except(:foo) r.should == {bar: 12} r.class.should == klass end end end