Sha256: b359963b10ffac5f3787f8ade51a906e7c0f4cdbb17250626a82c87b5cf31e6d
Contents?: true
Size: 337 Bytes
Versions: 17
Compression:
Stored size: 337 Bytes
Contents
require 'spec_helper'
describe 'Enumerable#sum' do
it 'sums up the numbers of an enum' do
expect((1..3).sum).to eq(6)
end
it 'returns nil when invoked on an empty collection' do
expect([].sum).to be_nil
end
it 'returns default value when invoked on an empty collection' do
expect([].sum(0)).to be_zero
end
end
Version data entries
17 entries across 17 versions & 4 rubygems