libkernaux/pkgs/ruby/spec/lib/kernaux/sprintf1_spec.rb

# frozen_string_literal: true

require 'spec_helper'

RSpec.describe KernAux, '.sprintf1' do
  if described_class.singleton_class.method_defined? :sprintf1
    context 'with 1 argument' do
      subject(:sprintf1) { described_class.sprintf1 format }

      let(:format) { '%%' }

      it { is_expected.to be_instance_of String }
      it { is_expected.to be_frozen }
      it { is_expected.to eq described_class.snprintf1(1000, format).first }
    end

    context 'with 2 argument' do
      subject(:sprintf1) { described_class.sprintf1 format, arg }

      let(:format) { '%s' }
      let(:arg) { 'Hello, World!' }

      it { is_expected.to be_instance_of String }
      it { is_expected.to be_frozen }
      it { is_expected.to eq described_class.snprintf1(100, format, arg).first }
    end
  end
end