class RuboCop::Cop::RSpec::BeEmpty


expect(array).to be_empty
# good
expect(array).to match_array([])
expect(array).to contain_exactly
# bad
@example
Prefer using ‘be_empty` when checking for an empty array.

def on_send(node) 

def on_send(node)
  expect_array_matcher?(node.parent) do |expect|
    add_offense(expect) do |corrector|
      corrector.replace(expect, 'be_empty')
    end
  end
end