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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Benchmark::Memory do
it 'has a version number' do
expect(Benchmark::Memory::VERSION).not_to be nil
end
it 'exposes .memory on Benchmark' do
expect(Benchmark).to respond_to(:memory)
end
describe '.memory' do
around(:each) do |spec|
old_stdout = $stdout
$stdout = StringIO.new
spec.run
$stdout = old_stdout
end
it 'raises an error when not given a block' do
expect { Benchmark.memory }.to raise_error(
Benchmark::Memory::ConfigurationError
)
end
it 'returns a report' do
# rubocop:disable Lint/EmptyBlock
expect(Benchmark.memory {}).to be_a(Benchmark::Memory::Report)
# rubocop:enable Lint/EmptyBlock
end
end
end
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