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