require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../shared/codepoints', __FILE__)
require File.expand_path('../shared/each_codepoint_without_block', __FILE__)

with_feature :encoding do
  describe "String#codepoints" do
    it_behaves_like(:string_codepoints, :codepoints)

    ruby_version_is ""..."2.0" do
      it_behaves_like(:string_each_codepoint_without_block, :each_codepoint)
    end

    ruby_version_is "2.0" do
      it "returns an Array when no block is given" do
        "abc".send(@method).should == [?a.ord, ?b.ord, ?c.ord]
      end

      it "raises an ArgumentError when no block is given if self has an invalid encoding" do
        s = "\xDF".force_encoding(Encoding::UTF_8)
        s.valid_encoding?.should be_false
        lambda {s.send(@method)}.should raise_error(ArgumentError)
      end
    end
  end
end
