method

be_close

RSpec latest stable (1.2.8) - 0 notes - Class: Spec::Matchers

1.1.4 (0)
1.1.12 (0)
1.2.0 (0)
1.2.8 (0)
What's this?

be_close(expected, delta) public

Passes if actual == expected +/- delta

Example

  result.should be_close(3.0, 0.5)

Show source

# File lib/spec/matchers/be_close.rb, line 12
    def be_close(expected, delta)
      Matcher.new :be_close, expected, delta do |_expected_, _delta_|
        match do |actual|
          (actual - _expected_).abs < _delta_
        end

        failure_message_for_should do |actual|
          "expected #{_expected_} +/- (< #{_delta_}), got #{actual}"
        end

        failure_message_for_should_not do |actual|
          "expected #{_expected_} +/- (< #{_delta_}), got #{actual}"
        end

        description do
          "be close to #{_expected_} (within +- #{_delta_})"
        end
      end
    end

be_close

Related methods

Example