spec/ruby/core/string/bytesize_spec.rb


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# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/classes'

with_feature :encoding do
  describe "#String#bytesize" do
    it "needs to be reviewed for spec completeness"

    it "returns the length of self in bytes" do
      "hello".bytesize.should == 5
      " ".bytesize.should == 1
    end

    it "works with strings containing single UTF-8 characters" do
      "\u{6666}".bytesize.should == 3
    end

    it "works with pseudo-ASCII strings containing single UTF-8 characters" do
      "\u{6666}".force_encoding('ASCII').bytesize.should == 3
    end

    it "works with strings containing UTF-8 characters" do
      "c \u{6666}".force_encoding('UTF-8').bytesize.should == 5
      "c \u{6666}".bytesize.should == 5
    end

    it "works with pseudo-ASCII strings containing UTF-8 characters" do
      "c \u{6666}".force_encoding('ASCII').bytesize.should == 5
    end

    it "returns 0 for the empty string" do
      "".bytesize.should == 0
      "".force_encoding('ASCII').bytesize.should == 0
      "".force_encoding('UTF-8').bytesize.should == 0
    end
  end
end