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path: root/spec/ruby/core/string/byteslice_spec.rb
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# -*- encoding: binary -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/slice'

describe "String#byteslice" do
  it "needs to reviewed for spec completeness"

  it_behaves_like :string_slice, :byteslice
end

describe "String#byteslice with index, length" do
  it_behaves_like :string_slice_index_length, :byteslice
end

describe "String#byteslice with Range" do
  it_behaves_like :string_slice_range, :byteslice
end

describe "String#byteslice on on non ASCII strings" do
  it "returns byteslice of unicode strings" do
    "\u3042".byteslice(1).should == "\x81".dup.force_encoding("UTF-8")
    "\u3042".byteslice(1, 2).should == "\x81\x82".dup.force_encoding("UTF-8")
    "\u3042".byteslice(1..2).should == "\x81\x82".dup.force_encoding("UTF-8")
    "\u3042".byteslice(-1).should == "\x82".dup.force_encoding("UTF-8")
  end

  it "returns a String in the same encoding as self" do
    "ruby".encode("UTF-8").slice(0).encoding.should == Encoding::UTF_8
    "ruby".encode("US-ASCII").slice(0).encoding.should == Encoding::US_ASCII
    "ruby".encode("Windows-1251").slice(0).encoding.should == Encoding::Windows_1251
  end
end