module RSpec::Matchers::BuiltIn::CountExpectation

def set_expected_count(relativity, n)
  raise_unsupported_count_expectation if unsupported_count_expectation?(relativity)
  count = count_constraint_to_number(n)
  if count_expectation_type == :<= && relativity == :>=
    raise_impossible_count_expectation(count) if count > expected_count
    @count_expectation_type = :<=>
    @expected_count = count..expected_count
  elsif count_expectation_type == :>= && relativity == :<=
    raise_impossible_count_expectation(count) if count < expected_count
    @count_expectation_type = :<=>
    @expected_count = expected_count..count
  else
    @count_expectation_type = relativity
    @expected_count = count
  end
end