Contents

require 'spec_helper'

describe Array do

  it 'should sum members' do
    [1,2,3,4,5].sum.should == 15
    [1.5, 5.6].sum.should == 7.1
  end

  it 'should find the mean of members' do
    [1,2,3,4,5].mean.should == 3
    [1.5, 5.6].mean.should == 3.55
  end

  it 'should compact blank objects and leave non-blank objects in place' do
    [0, 1, 2, 3].compakt.should == [0, 1, 2, 3]
    [0, nil, 'awesome sauce'].compakt.should == [0, 'awesome sauce']
    [0, '', :symbol].compakt.should == [0, :symbol]
    [[], [1, 2]].compakt.should == [[1, 2]]
    [{ :stuff => :junk }, {}, 'stuff'].compakt.should == [{ :stuff => :junk }, 'stuff']
    ['      ', ' I need trimming! '].compakt.should == [' I need trimming! ']
  end

  it 'should return random sections of an array' do
    srand(123456)
    arr = (1..20).to_a
    sections = arr.sections(3, 5)
    sections[0..-2].map{ |s| s.size }.each{ |l| (3..5).should include(l) }
    sections.flatten.size.should == arr.size
  end

  it 'should return the median value of an array' do
    [1,5,7,8,500].median.should == 7
    [5,6,7,12,42,55,55,56].median.should == 27
  end

end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
bootstripe-0.2.23	spec/array_additions_spec.rb
bootstripe-0.2.22	spec/array_additions_spec.rb