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require_relative '../../spec_helper'
require_relative 'fixtures/classes'
require_relative 'shared/new'
describe "IO.open" do
it_behaves_like :io_new, :open
end
describe "IO.open" do
it_behaves_like :io_new_errors, :open
end
# These specs use a special mock helper to avoid mock
# methods from preventing IO#close from running and
# which would prevent the file referenced by @fd from
# being deleted on Windows.
describe "IO.open" do
before :each do
@name = tmp("io_open.txt")
@fd = new_fd @name
ScratchPad.clear
end
after :each do
rm_r @name
end
it "calls #close after yielding to the block" do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
ScratchPad.record :called
end
io.closed?.should be_false
end
ScratchPad.recorded.should == :called
end
it "propagate an exception in the block after calling #close" do
-> do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
ScratchPad.record :called
end
raise Exception
end
end.should raise_error(Exception)
ScratchPad.recorded.should == :called
end
it "propagates an exception raised by #close that is not a StandardError" do
-> do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
ScratchPad.record :called
raise Exception
end
end
end.should raise_error(Exception)
ScratchPad.recorded.should == :called
end
it "propagates an exception raised by #close that is a StandardError" do
-> do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
ScratchPad.record :called
raise StandardError
end
end
end.should raise_error(StandardError)
ScratchPad.recorded.should == :called
end
it "does not propagate an IOError with 'closed stream' message raised by #close" do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
ScratchPad.record :called
raise IOError, 'closed stream'
end
end
ScratchPad.recorded.should == :called
end
it "does not set last error when an IOError with 'closed stream' raised by #close" do
IO.open(@fd, "w") do |io|
IOSpecs.io_mock(io, :close) do
super()
raise IOError, 'closed stream'
end
end
$!.should == nil
end
end
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