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