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ruby--ruby/spec/ruby/core/io/fsync_spec.rb
2019-07-27 12:40:09 +02:00

24 lines
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Ruby

require_relative '../../spec_helper'
require_relative 'fixtures/classes'
describe "IO#fsync" do
before :each do
@name = tmp("io_fsync.txt")
ScratchPad.clear
end
after :each do
rm_r @name
end
it "raises an IOError on closed stream" do
-> { IOSpecs.closed_io.fsync }.should raise_error(IOError)
end
it "writes the buffered data to permanent storage" do
File.open(@name, "w") do |f|
f.write "one hit wonder"
f.fsync.should == 0
end
end
end