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ruby--ruby/spec/ruby/library/stringio/binmode_spec.rb
2020-02-28 19:07:17 +01:00

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Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "StringIO#binmode" do
it "returns self" do
io = StringIO.new("example")
io.binmode.should equal(io)
end
it "changes external encoding to BINARY" do
io = StringIO.new
io.external_encoding.should == Encoding.find('locale')
io.binmode
io.external_encoding.should == Encoding::BINARY
end
it "does not set internal encoding" do
io = StringIO.new
io.internal_encoding.should == nil
io.binmode
io.internal_encoding.should == nil
end
end