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45 lines
1.5 KiB
Ruby
45 lines
1.5 KiB
Ruby
require_relative '../../spec_helper'
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describe "Process.wait2" do
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before :all do
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# HACK: this kludge is temporarily necessary because some
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# misbehaving spec somewhere else does not clear processes
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# Note: background processes are unavoidable with MJIT,
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# but we shouldn't reap them from Ruby-space
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begin
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Process.wait(-1, Process::WNOHANG)
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$stderr.puts "Leaked process before wait2 specs! Waiting for it"
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leaked = Process.waitall
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$stderr.puts "leaked before wait2 specs: #{leaked}" unless leaked.empty?
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# Ruby-space should not see PIDs used by mjit
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leaked.should be_empty
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rescue Errno::ECHILD # No child processes
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rescue NotImplementedError
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end
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end
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platform_is_not :windows do
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it "returns the pid and status of child process" do
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pidf = Process.fork { Process.exit! 99 }
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results = Process.wait2
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results.size.should == 2
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pidw, status = results
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pidf.should == pidw
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status.exitstatus.should == 99
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end
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end
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it "raises a StandardError if no child processes exist" do
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-> { Process.wait2 }.should raise_error(Errno::ECHILD)
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-> { Process.wait2 }.should raise_error(StandardError)
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end
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it "returns nil if the child process is still running when given the WNOHANG flag" do
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IO.popen(ruby_cmd('STDIN.getbyte'), "w") do |io|
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pid, status = Process.wait2(io.pid, Process::WNOHANG)
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pid.should be_nil
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status.should be_nil
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io.write('a')
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end
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end
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end
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