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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/classes', __FILE__)
describe "StringIO#close_read" do
before :each do
@io = StringIO.new("example")
end
it "returns nil" do
@io.close_read.should be_nil
end
it "prevents further reading" do
@io.close_read
lambda { @io.read(1) }.should raise_error(IOError)
end
it "allows further writing" do
@io.close_read
@io.write("x").should == 1
end
it "raises an IOError when in write-only mode" do
io = StringIO.new("example", "w")
lambda { io.close_read }.should raise_error(IOError)
io = StringIO.new("example")
io.close_read
ruby_version_is ''...'2.3' do
lambda { io.close_read }.should raise_error(IOError)
end
ruby_version_is '2.3' do
io.close_read.should == nil
end
end
end
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