Sha256: 27ddedd7b83d843ed3a0bd8d5a4d69110935d47a26aa7f75c315b9d027d51902
Contents?: true
Size: 452 Bytes
Versions: 23
Compression:
Stored size: 452 Bytes
Contents
require 'spec_helper'
describe 'Enumerable#average' do
it 'calculates the average of an enum' do
expect((1..3).average).to eq(2)
end
it 'calculates the average of an array' do
expect([1, 2, 3, 4].average).to eq(2.5)
end
it 'returns nil when invoked on an empty collection' do
expect([].average).to be_nil
end
it 'returns default value when invoked on an empty collection' do
expect([].average(0)).to be_zero
end
end
Version data entries
23 entries across 20 versions & 6 rubygems