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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "IO#sync=" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
end
it "sets the sync mode to true or false" do
@io.sync = true
@io.sync.should == true
@io.sync = false
@io.sync.should == false
end
it "accepts non-boolean arguments" do
@io.sync = 10
@io.sync.should == true
@io.sync = nil
@io.sync.should == false
@io.sync = Object.new
@io.sync.should == true
end
it "raises an IOError on closed stream" do
lambda { IOSpecs.closed_io.sync = true }.should raise_error(IOError)
end
end
describe "IO#sync" do
before :each do
@io = IOSpecs.io_fixture "lines.txt"
end
after :each do
@io.close unless @io.closed?
end
it "returns the current sync mode" do
@io.sync.should == false
end
it "raises an IOError on closed stream" do
lambda { IOSpecs.closed_io.sync }.should raise_error(IOError)
end
end
describe "IO#sync" do
it "is false by default for STDIN" do
STDIN.sync.should == false
end
it "is false by default for STDOUT" do
STDOUT.sync.should == false
end
it "is true by default for STDERR" do
STDERR.sync.should == true
end
end
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