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ruby--ruby/spec/ruby/core/process/times_spec.rb
Benoit Daloze 6413a26b6c Do not check that #stime changes in Process.times spec
* Since the spec might not spend any time in system calls.
2020-03-28 14:32:22 +01:00

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require_relative '../../spec_helper'
describe "Process.times" do
it "returns a Process::Tms" do
Process.times.should be_kind_of(Process::Tms)
end
it "returns current cpu times" do
t = Process.times
user = t.utime
1 until Process.times.utime > user
Process.times.utime.should > user
end
ruby_version_is "2.5" do
platform_is_not :windows do
it "uses getrusage when available to improve precision beyond milliseconds" do
times = 1000.times.map { Process.clock_gettime(:GETRUSAGE_BASED_CLOCK_PROCESS_CPUTIME_ID) }
if times.count { |t| !('%.6f' % t).end_with?('000') } == 0
skip "getrusage is not supported on this environment"
end
times = 1000.times.map { Process.times }
times.count { |t| !('%.6f' % t.utime).end_with?('000') }.should > 0
end
end
end
end