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# frozen_string_literal: true
# Released under the MIT License.
# Copyright, 2014-2025, by Samuel Williams.
# Copyright, 2014-2016, by Tony Arcieri.
require "timers/group"
require "timer_quantum"
describe Timers::Group do
let(:group) {subject.new}
it "should not diverge too much" do
fired = :not_fired_yet
count = 0
quantum = 0.01
start_offset = group.current_offset
Timers::Timer.new(group, quantum, :strict, start_offset) do |offset|
fired = offset
count += 1
end
iterations = 100
group.wait while count < iterations
# In my testing on the JVM, without the :strict recurring, I noticed 60ms of error here.
expect(fired - start_offset).to be_within(quantum + TIMER_QUANTUM).of(iterations * quantum)
end
it "should only fire 0-interval timer once per iteration" do
count = 0
start_offset = group.current_offset
Timers::Timer.new(group, 0, :strict, start_offset) do |offset, timer|
count += 1
end
group.wait
expect(count).to be == 1
end
end
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