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require File.expand_path('../../../spec_helper', __FILE__)
describe "Process.setpriority" do
platform_is_not :windows do
it "sets the scheduling priority for a specified process" do
priority = Process.getpriority(Process::PRIO_PROCESS, 0)
out = ruby_exe(fixture(__FILE__, "setpriority.rb"), args: "process")
out = out.lines.map { |l| Integer(l) }
pr = out[0]
out.should == [pr, 0, pr+1]
Process.getpriority(Process::PRIO_PROCESS, 0).should == priority
end
# Darwin and FreeBSD don't seem to handle these at all, getting all out of
# whack with either permission errors or just the wrong value
platform_is_not :darwin, :freebsd do
it "sets the scheduling priority for a specified process group" do
priority = Process.getpriority(Process::PRIO_PGRP, 0)
out = ruby_exe(fixture(__FILE__, "setpriority.rb"), args: "group")
out = out.lines.map { |l| Integer(l) }
pr = out[0]
out.should == [pr, 0, pr+1]
Process.getpriority(Process::PRIO_PGRP, 0).should == priority
end
end
as_superuser do
it "sets the scheduling priority for a specified user" do
p = Process.getpriority(Process::PRIO_USER, 0)
Process.setpriority(Process::PRIO_USER, 0, p + 1).should == 0
Process.getpriority(Process::PRIO_USER, 0).should == (p + 1)
Process.setpriority(Process::PRIO_USER, 0, p).should == 0
end
end
end
end
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