class Capybara::RSpecMatchers::BecomeClosed

def failure_message
  "expected #{@window.inspect} to become closed after #{@wait_time} seconds"
end

def failure_message_when_negated
  "expected #{@window.inspect} not to become closed after #{@wait_time} seconds"
end

def initialize(options)
  @options = options
end

def matches?(window)
  @window = window
  @wait_time = Capybara::Queries::BaseQuery.wait(@options, window.session.config.default_max_wait_time)
  start_time = Capybara::Helpers.monotonic_time
  while window.exists?
    return false if (Capybara::Helpers.monotonic_time - start_time) > @wait_time
    sleep 0.05
  end
  true
end