File: compact_spec.rb

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require_relative '../../../spec_helper'
require_relative 'fixtures/classes'

ruby_version_is '3.1' do
  describe "Enumerator::Lazy#compact" do
    it 'returns array without nil elements' do
      arr = [1, nil, 3, false, 5].to_enum.lazy.compact
      arr.should be_an_instance_of(Enumerator::Lazy)
      arr.force.should == [1, 3, false, 5]
    end

    it "sets #size to nil" do
      Enumerator::Lazy.new(Object.new, 100) {}.compact.size.should == nil
    end
  end
end