require_relative '../../spec_helper'
require_relative 'fixtures/classes'

describe "MatchData#post_match" do
  it "returns the string after the match equiv. special var $'" do
    /(.)(.)(\d+)(\d)/.match("THX1138: The Movie").post_match.should == ': The Movie'
    $'.should == ': The Movie'
  end

  it "sets the encoding to the encoding of the source String" do
    str = "abc".dup.force_encoding Encoding::EUC_JP
    str.match(/b/).post_match.encoding.should.equal?(Encoding::EUC_JP)
  end

  it "sets an empty result to the encoding of the source String" do
    str = "abc".dup.force_encoding Encoding::ISO_8859_1
    str.match(/c/).post_match.encoding.should.equal?(Encoding::ISO_8859_1)
  end

  it "returns an instance of String when given a String subclass" do
    str = MatchDataSpecs::MyString.new("THX1138: The Movie")
    /(.)(.)(\d+)(\d)/.match(str).post_match.should.instance_of?(String)
  end
end
