require_relative '../../../spec_helper'

describe "Encoding::Converter#convpath" do
  it "returns an Array with a single element if there is a direct converter" do
    cp = Encoding::Converter.new('ASCII', 'UTF-8').convpath
    cp.should == [[Encoding::US_ASCII, Encoding::UTF_8]]
  end

  it "returns multiple encoding pairs when direct conversion is impossible" do
    cp = Encoding::Converter.new('ascii','Big5').convpath
    cp.should == [
      [Encoding::US_ASCII, Encoding::UTF_8],
      [Encoding::UTF_8, Encoding::Big5]
    ]
  end

  it "indicates if crlf_newline conversion would occur" do
    ec = Encoding::Converter.new("ISo-8859-1", "EUC-JP", crlf_newline: true)
    ec.convpath.last.should == "crlf_newline"

    ec = Encoding::Converter.new("ASCII", "UTF-8", crlf_newline: false)
    ec.convpath.last.should_not == "crlf_newline"
  end
end