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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "StringIO#close" do
before :each do
@io = StringIOSpecs.build
end
it "returns nil" do
@io.close.should be_nil
end
it "prevents further reading and/or writing" do
@io.close
-> { @io.read(1) }.should raise_error(IOError)
-> { @io.write('x') }.should raise_error(IOError)
end
it "does not raise anything when self was already closed" do
@io.close
-> { @io.close }.should_not raise_error(IOError)
end
end
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