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22 lines
624 B
Ruby
22 lines
624 B
Ruby
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require 'stringio'
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require File.expand_path('../../../spec_helper', __FILE__)
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describe "StringIO#external_encoding" do
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it "gets the encoding of the underlying String" do
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io = StringIO.new
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io.set_encoding Encoding::EUC_JP
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io.external_encoding.should == Encoding::EUC_JP
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end
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ruby_version_is "2.3" do
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it "does not set the encoding of its buffer string if the string is frozen" do
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str = "foo".freeze
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enc = str.encoding
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io = StringIO.new(str)
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io.set_encoding Encoding::EUC_JP
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io.external_encoding.should == Encoding::EUC_JP
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str.encoding.should == enc
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end
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end
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end
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