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require_relative '../fixtures/classes'
describe :time_now, shared: true do
it "creates a subclass instance if called on a subclass" do
TimeSpecs::SubTime.send(@method).should be_an_instance_of(TimeSpecs::SubTime)
TimeSpecs::MethodHolder.send(@method).should be_an_instance_of(Time)
end
it "sets the current time" do
now = TimeSpecs::MethodHolder.send(@method)
now.to_f.should be_close(Process.clock_gettime(Process::CLOCK_REALTIME), TIME_TOLERANCE)
end
it "uses the local timezone" do
with_timezone("PDT", -8) do
now = TimeSpecs::MethodHolder.send(@method)
now.utc_offset.should == (-8 * 60 * 60)
end
end
guard_not -> { platform_is :windows and ruby_version_is ""..."2.5" } do
it "has at least microsecond precision" do
times = []
10_000.times do
times << Time.now.nsec
end
# The clock should not be less accurate than expected (times should
# not all be a multiple of the next precision up, assuming precisions
# are multiples of ten.)
expected = 1_000
times.select { |t| t % (expected * 10) == 0 }.size.should_not == times.size
end
end
end
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