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require 'concurrent/utility/monotonic_time'
module Concurrent
RSpec.describe :monotonic_time do
context 'behavior' do
it 'returns seconds as float' do
expect(Concurrent.monotonic_time).to be_a(Float)
end
[:float_second, :float_millisecond, :float_microsecond].each do |unit|
it "returns a Float when unit = #{unit.inspect}" do
expect(Concurrent.monotonic_time(unit)).to be_a(Float)
end
end
[:second, :millisecond, :microsecond, :nanosecond].each do |unit|
it "returns an Integer when unit = #{unit.inspect}" do
expect(Concurrent.monotonic_time(unit)).to be_an(Integer)
end
end
it 'raises ArgumentError on unknown units' do
expect {
Concurrent.monotonic_time(:foo)
}.to raise_error(ArgumentError)
end
end
end
end
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