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path: root/spec/ruby/core/encoding/locale_charmap_spec.rb
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require File.expand_path('../../../spec_helper', __FILE__)

with_feature :encoding do
  describe "Encoding.locale_charmap" do
    it "returns a String" do
      Encoding.locale_charmap.should be_an_instance_of(String)
    end

    # FIXME: Get this working on Windows
    platform_is :linux do
      it "returns a value based on the LC_ALL environment variable" do
        old_lc_all = ENV['LC_ALL']
        ENV['LC_ALL'] = 'C'
        ruby_exe("print Encoding.locale_charmap").should == 'ANSI_X3.4-1968'
        ENV['LC_ALL'] = old_lc_all
      end
    end

    platform_is :freebsd, :openbsd, :darwin do
      it "returns a value based on the LC_ALL environment variable" do
        old_lc_all = ENV['LC_ALL']
        ENV['LC_ALL'] = 'C'
        ruby_exe("print Encoding.locale_charmap").should == 'US-ASCII'
        ENV['LC_ALL'] = old_lc_all
      end
    end

    platform_is :netbsd do
      it "returns a value based on the LC_ALL environment variable" do
        old_lc_all = ENV['LC_ALL']
        ENV['LC_ALL'] = 'C'
        ruby_exe("print Encoding.locale_charmap").should == '646'
        ENV['LC_ALL'] = old_lc_all
      end
    end

    platform_is :bsd, :darwin, :linux do
      it "is unaffected by assigning to ENV['LC_ALL'] in the same process" do
        old_charmap = Encoding.locale_charmap
        old_lc_all = ENV['LC_ALL']
        ENV['LC_ALL'] = 'C'
        Encoding.locale_charmap.should == old_charmap
        ENV['LC_ALL'] = old_lc_all
      end
    end
  end
end