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ruby--ruby/spec/ruby/core/process/wait2_spec.rb
2019-04-28 23:20:11 +02:00

36 lines
1.2 KiB
Ruby

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