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path: root/spec/ruby/core/string/codepoints_spec.rb
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# -*- encoding: binary -*-
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)

    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