Sha256: 2fdb59026e2531d40cc5f19ac92ab69ab4bef2f1fbb15a9f0db215465f148bc2
Contents?: true
Size: 954 Bytes
Versions: 10
Compression:
Stored size: 954 Bytes
Contents
module RSpec
module Matchers
# Passes if actual == expected +/- delta
#
# == Examples
#
# result.should be_within(0.5).of(3.0)
# result.should_not be_within(0.5).of(3.0)
def be_within(delta)
Matcher.new :be_within, delta do |_delta_|
chain :of do |_expected_|
@_expected = _expected_
end
match do |actual|
unless defined?(@_expected)
raise ArgumentError.new("You must set an expected value using #of: be_within(#{_delta_}).of(expected_value)")
end
(actual - @_expected).abs < _delta_
end
failure_message_for_should do |actual|
"expected #{actual} to #{description}"
end
failure_message_for_should_not do |actual|
"expected #{actual} not to #{description}"
end
description do
"be within #{_delta_} of #{@_expected}"
end
end
end
end
end
Version data entries
10 entries across 10 versions & 3 rubygems