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Versions: 83
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Stored size: 1.45 KB
Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
describe "IO#close" do
before :each do
@path = tmp('io.close.txt')
@io = File.open @path, 'w'
end
after :each do
@io.close unless @io.closed?
p = File.unlink(@path)
end
it "closes the stream" do
lambda { @io.close }.should_not raise_error
@io.closed?.should == true
end
it "returns nil" do
@io.close.should == nil
end
it "makes the stream unavailable for any further data operations" do
@io.close
lambda { @io.write "attempt to write" }.should raise_error(IOError)
lambda { @io.read }.should raise_error(IOError)
end
it "raises an IOError on subsequent invocations" do
@io.close
lambda { @io.close }.should raise_error(IOError)
end
it "raises when a file descriptor is closed twice" do
io2 = IO.new @io.fileno
@io.close
lambda { io2.close }.should raise_error(Errno::EBADF)
end
end
describe "IO#close on an IO.popen stream" do
it "clears #pid" do
io = IO.popen 'yes', 'r'
io.pid.should_not == 0
io.close
lambda { io.pid }.should raise_error(IOError)
end
it "sets $?" do
io = IO.popen 'true', 'r'
io.close
$?.exitstatus.should == 0
io = IO.popen 'false', 'r'
io.close
$?.exitstatus.should == 1
end
it "waits for the child to exit" do
io = IO.popen 'yes', 'r'
io.close
$?.exitstatus.should_not == 0 # SIGPIPE/EPIPE
end
end
Version data entries
83 entries across 83 versions & 1 rubygems