ruby--ruby/spec/ruby/core/string/codepoints_spec.rb

# -*- encoding: binary -*-
require_relative '../../spec_helper'
require_relative 'shared/codepoints'
require_relative 'shared/each_codepoint_without_block'

describe "String#codepoints" do
  it_behaves_like :string_codepoints, :codepoints

  it "returns an Array when no block is given" do
    "abc".codepoints.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
    -> { s.codepoints }.should raise_error(ArgumentError)
  end
end