File: metric_spec.rb

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# frozen_string_literal: true

require 'spec_helper'

RSpec.describe Benchmark::Memory::Measurement::Metric do
  describe '#to_s' do
    it 'is of consistent length' do
      examples = [0, 100, 1_000, 1_000_000, 1_000_000_000, 1_000_000_000_000]
      lengths = examples.map do |i|
        metric = described_class.new(:fake, i * 2, i)
        metric.to_s.length
      end

      expect(lengths.min).to eq(lengths.max)
    end
  end
end