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module Concurrent
class Channel
RSpec.describe Tick, edge: true, notravis: true do
it 'initializes to current time when no argument given' do
allow(Concurrent).to receive(:monotonic_time).and_return(42)
subject = Tick.new
expect(subject.monotonic).to eq 42
end
it 'initializes to the given monotonic time' do
m = Concurrent.monotonic_time
subject = Tick.new(m)
expect(subject.monotonic).to eq m
end
specify '#utc returns a Time object in UTC' do
t = subject.utc
expect(t).to be_a Time
expect(t.zone).to eq 'UTC'
end
specify '#epoch returns the UTC time as epoch seconds' do
expect(subject.utc.to_f).to eq subject.epoch
end
specify '#to_s formats as a time', :truffle_bug => true do
expect(subject.to_s).to match(/\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}\.\d{6} \+\d{4} UTC/)
end
context 'comparison' do
it 'correctly compares to a Numeric (monotonic)' do
present = Concurrent.monotonic_time
past = present - 42
future = present + 42
subject = Tick.new(present)
expect(subject).to be < future
expect(subject).to be == present
expect(subject).to be > past
end
it 'correctly compares to a Time' do
past = Time.now - 42*60*60
future = Time.now + 42*60*60
subject = Tick.new
expect(subject).to be < future
expect(subject).to be > past
end
it 'correctly compares to a Tick' do
now = Concurrent.monotonic_time
present = Tick.new(now)
past = Tick.new(now - 42)
future = Tick.new(now + 42)
subject = Tick.new(now)
expect(subject).to be < future
expect(subject).to eq present
expect(subject).to be > past
end
end
end
end
end
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