class Mocha::ExpectationList

def +(other)
  self.class.new(to_a + other.to_a)
end

def add(expectation)
  @expectations.unshift(expectation)
  expectation
end

def any?
  @expectations.any?
end

def initialize(expectations = [])
  @expectations = expectations
end

def length
  @expectations.length
end

def match(invocation, ignoring_order: false)
  matching_expectations(invocation, ignoring_order: ignoring_order).first
end

def match_allowing_invocation(invocation)
  matching_expectations(invocation).detect(&:invocations_allowed?)
end

def match_but_out_of_order(invocation)
  matching_expectations(invocation).first
end

def matches_method?(method_name)
  @expectations.any? { |expectation| expectation.matches_method?(method_name) }
end

def matching_expectations(invocation, ignoring_order: false)
  @expectations.select { |e| e.match?(invocation, ignoring_order: ignoring_order) }
end

def remove_all_matching_method(method_name)
  @expectations.reject! { |expectation| expectation.matches_method?(method_name) }
end

def to_a
  @expectations
end

def to_set
  @expectations.to_set
end

def verified?(assertion_counter = nil)
  @expectations.all? { |expectation| expectation.verified?(assertion_counter) }
end